UCB CChem Demolab 2009 Calendar

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Class	Room	Building	M	T	W	T	F	Time	Professor
Chem001A 01	1	GPH	M		W		F	9:00a	NITSCHE, H
Chem001B 01	120	Latimer	M		W			10:00a	SAYKALLY, R J; LESTER, W
Chem004B 01	100	Lewis	M		W		F	10:00a	MORETTO, L G
Chem001A 02	1	GPH	M		W		F	1:00p	NITSCHE, H
Chem003A 02	155	DWINELLE		T		T		8:00a	FRECHET, J
Chem003A 02	1	GPH		T		T		2:00p	FRECHET, J
Chem03AL 01	1	GPH			W			12:00p	PEDERSEN, S F
Chem03AL 02	1	GPH	M					12:00p	PEDERSEN, S F
Chem003B 01	1	GPH		T		T		8:00a	PEDERSEN, S F
Chem03BL 01	1	GPH			W			5:00p	VIERNES, N L

Class	Room	Building	M	T	W	T	Time	Professor
Chem001A 01	1	GPH	M	T	W	T	8:00a	LI, C
Chem001B 01	120	LATIMER	M	T	W	T	9:30a	DHILLON, P P
Chem003AL 01	?							PEDERSEN, S F
Chem003BL 01	?	?	M			T	1:00p	VIERNES, N L
Chem003B 01	1	GPH	M	T	W	T	2p	VIERNES, N L
Chem003A 01	1	GPH	M	T	W	T	9:30a	PEDERSEN, S F

Class	Room	Building	M	T	W	T	F	Time	Professor
Chem001A 01	1	GPH	M		W		F	9:00a	STACY, A M
Chem001A 02	1	GPH	M		W		F	11:00a	MAJDA, M M
Chem004A 01	1	GPH	M		W		F	12:00p	HEAD-GORDON, M; DHILLON, P P; SAYKALLY, R J
Chem001A 03	1	GPH	M		W		F	1:00p	ARNOLD, J
Chem003A 01	1	PIMENTEL		T		T		8:00a	PEDERSEN, S F
Chem003AL 01	1	PIMENTEL			W			5:00P	PEDERSEN, S F
Chem003B 01	100	LEWIS		T		T		8:00a	VOLLHARDT, K P
Chem003B 02	1	GPH		T		T		2:00p	VOLLHARDT, K P
Chem003BL 01	1	GPH					F	5:00p	LI, C
Chem003BL 02	100	LEWIS	M					3:00p	LI, C
Chem0015 01	100	LEWIS		T		T		11:00a	GROVES, J
Chem0024 01								11:00a	CANCELLED
Chem0C96 01	4	LE CONTE			W			4:00p	BOERING, K A

Previous Year End Thu 01-Jan-2009 : Academic and Administrative Holiday Fri 02-Jan-2009 : Sat 03-Jan-2009 : Sun 04-Jan-2009 : Mon 05-Jan-2009 : Tue 06-Jan-2009 : Wed 07-Jan-2009 : Outreach Lecture, Prof. Michael Marletta, 9:30a, 1 GPH, 8^th grade class VIDEO: alkali metals vs H₂O (Li, Na, K) 2Na + Cl₂ → 2NaCl PIC TXT Briggs-Rauscher B-R Rxn Ag Christmas tree (AgNO₃ + Cu) O₂ vs LN₂, show contrasting color White phosphorous vs LOX JPG Col. Dr. Brian D. Shaw (show blue color of LOX) 2H₂+O₂ soap bubbles exploding balloon butane (2) Thermite Thu 08-Jan-2009 : Fri 09-Jan-2009 : Sat 10-Jan-2009 : Sun 11-Jan-2009 : Mon 12-Jan-2009 : Tue 13-Jan-2009 : Wed 14-Jan-2009 : Thu 15-Jan-2009 : Fri 16-Jan-2009 : Sat 17-Jan-2009 : Sun 18-Jan-2009 : Mon 19-Jan-2009 : Academic and Administrative Holiday Class Room Building M T W T F Time Professor Chem001A 01 1 GPH M W F 9:00a NITSCHE, H Chem001B 01 120 Latimer M W 10:00a SAYKALLY, R J; LESTER, W Chem004B 01 100 Lewis M W F 10:00a MORETTO, L G Chem001A 02 1 GPH M W F 1:00p NITSCHE, H Chem003A 02 155 DWINELLE T T 8:00a FRECHET, J Chem003A 02 1 GPH T T 2:00p FRECHET, J Chem03AL 01 1 GPH W 12:00p PEDERSEN, S F Chem03AL 02 1 GPH M 12:00p PEDERSEN, S F Chem003B 01 1 GPH T T 8:00a PEDERSEN, S F Chem03BL 01 1 GPH W 5:00p VIERNES, N L Tue 20-Jan-2009 : Instruction Begins Wed 21-Jan-2009 : Chem001A - Atoms, Molecules, Stoichiometry 9am, 1pm: * exploding balloon * H₂ (no oxygen inside balloon) * 1H₂+O₂ (stoich O₂) * 2H₂+O₂ (stoich O₂) * H₂+nO₂ soap bubbles (use old bubble apparatus, secure long burner on bench) * (not done) 2H₂+O₂ -(Pt catalyst)-> 2H₂O * 55 mole samples, H₂O (1L Florence flask), C, Al, Pb (physics) * 22.4L cube Chem001B - How Fast Does It React? Chemical Kinetics 10am: * exploding balloon * 1CH₄+2O₂ --> * 1C₄H₁₀+2O₂ --> * 2H₂+O₂ (stoich O₂) * C₂H₂+⁵/₂O₂ --> Chem004B - [topic] 10am: * no demo Thu 22-Jan-2009 : Fri 23-Jan-2009 : Chem001A - Atomic Structure, Molecular Formulae 9am, 1pm: * (repeat) 2H₂+O₂ -(Pt catalyst)-> 2H₂O * butane mystery balloon * (not done) White phosphorous vs LOX JPG Col. Dr. Brian D. Shaw Chem004B - [topic] 10am: * no demo Sat 24-Jan-2009 : Sun 25-Jan-2009 : Mon 26-Jan-2009 : Chem001A - Light waves, Absorption, Emission 9am, 1pm: * (repeat) White phosphorous vs LOX JPG Col. Dr. Brian D. Shaw * (add) (physics E+25+15) HeNe laser diffraction, 2-slit * (add) r-b anaglyph 3-D glasses * (add) diffraction grating glasses * (add) colored solutions assortment * (add) (physics E+05+30) white light spectrum * (add) white light point source Chem001B - Rate Laws and Reaction Mechanisms: Unimolecular Reactions 10am: * hot pack, Fe+O₂ (Saykally will provide) * LOX vs steel wool * LOX vs donut * (not done) (maybe) Zn(s) + HCl(aq) --> H₂(g) (reaction in Erlenmeyer flask, inflate a balloon with H₂) Chem004B - [topic] 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * no demo Tue 27-Jan-2009 : Wed 28-Jan-2009 : Chem001A - Light, Particles, Photons 9am, 1pm: * (repeat, 9am) colored solutions assortment * (repeat, 9am) (physics E+05+30) white light spectrum * basketball And bat (3 sizes - wooden dowel, meter stick, 2x4 board) * (not available 9am, java applet instead) (physics F+15+05) Photoelectric Effect, Light through different filters into phototube changes current Chem001B - Rate Laws and Reaction Mechanisms II: Bimolecular Reactions 10am: * Dr. Frank Palmer NO+CS₂ chemiluminescent explosion Chem004B - 10am: * no demo Thu 29-Jan-2009 : Fri 30-Jan-2009 : Chem001A - Matter: Particles/Waves 9am, 1pm: * rope-a-dope * (not done) green whirly thing * (not done) (physics E+15+10) Hg vapor lamp, line spectrum, ZnS screen Chem004B - 10am: * no demo Sat 31-Jan-2009 : Sun 01-Feb-2009 : Mon 02-Feb-2009 : Chem001A - Quantum Mechanics: H atom 9am, 1pm: * (repeat) green whirly thing * (repeat, not done 1pm - lamp fail) (physics E+15+10) Hg vapor lamp, line spectrum, ZnS screen Chem001B - T-Dependence of Reactions 10am: * iodine clock, dT Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * Hahn echo * (not done) liquid crystal threaded rod models * liquid crystal rulers and rattlebacks (Alyse will provide) Tue 03-Feb-2009 : Wed 04-Feb-2009 : Chem001A - QM Orbitals 9am, 1pm: * (repeat, 1pm only) (physics E+15+10) Hg vapor lamp, line spectrum, ZnS screen Chem001B - Chemical Reactions in Liquids 10am: * Briggs-Rauscher Chem004B - 10am: * no demo Thu 05-Feb-2009 : Fri 06-Feb-2009 : Chem001A - Review 9am, 1pm: * no demo Chem004B - 10am: * no demo Sat 07-Feb-2009 : Sun 08-Feb-2009 : Mon 09-Feb-2009 : Chem001A - Many Electron Atoms 9am, 1pm: * (add) mobius strip * (add) * basketball Chem001B - Enzyme Catalysis 10am: * Catalytic decompositon of H₂O₂: 2H₂O₂-(MnO₂)-> 2H₂O+O₂ (~0.75 inch of 50% H₂O₂ in 400-mL TF beaker) * fast shampoo (KI catalyst) (20 mL of 50% H₂O₂, squirt of Palmolive, 25 ml of 1M KI) * 2H₂O₂ --(Turnip catalysis)--> O₂ + 2H₂O, include basic pH version Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * (not done prev. week) liquid crystal threaded rod models * LOX vs magnet * LO rubber glove 1/student Tue 10-Feb-2009 : Wed 11-Feb-2009 : Chem001A - Spin, Pauli Principle, Electronic Config 9am, 1pm: * (repeat) mobius strip * (repeat) basketball * (add) (delay) VIDEO: alkali metals + H₂O (no indicator) Chem001B - Chemistry in Two Dimensions: Chemical Reactions on Surfaces 10am: * alcohol (ethanol) oxidation, Pt catalyzed * exploding balloon 2H₂+O₂ (stoich O₂) * 2H₂+O₂ -(Pt catalyst)-> 2H₂O Chem004B - 10am: * no demo Thu 12-Feb-2009 : Fri 13-Feb-2009 : Chem001A - Periodic Properties, Trends 9am, 1pm: * VIDEO: alkali metals + H₂O (no indicator) (Li, Na (~0.75g), K (~1.0g)) * H₂ + Cl₂ - (HeCd laser) Chem004B - 10am: * demo Sat 14-Feb-2009 : Sun 15-Feb-2009 : Mon 16-Feb-2009 : Academic and Administrative Holiday Tue 17-Feb-2009 : Wed 18-Feb-2009 : Chem001A - Chemical Bonds, Lewis Structures 9am, 1pm: * charged rod - water vs. hexane * (add) Na combustion in Cl₂ gas; 2Na(s) + Cl₂(g) → 2NaCl PIC TXT Chem001B - Exam I 10am: * no demo (exam) Chem004B - 10am: * no demo Thu 19-Feb-2009 : Fri 20-Feb-2009 : Chem001A - Covalent Bonding, Resonance 9am, 1pm: * gunpowder race Chem004B - 10am: * no demo Sat 21-Feb-2009 : Sun 22-Feb-2009 : Mon 23-Feb-2009 : Chem001A - VSEPR 9am, 1pm: * VSEPR balloons Chem001B - Energy and Society: Running Out of Gas! 10am: * Ba(OH)₂*8H₂O(s) + 2 NH₄Cl (s) --> 2 NH₄OH (aq) + BaCl₂ (aq) + 8 H₂O (l), freeze to wood (Shakhashiri Vol.1, p.10) * cold pack * Thermite Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * (postpone) liquid crystal threaded rod models * latex glove, 1/student * CO₂ fire extinguisher vs cloth * Hahn echo * light sticks (2) * WMV WMV2 Liquid crystal panel (120VAC) w/picture Tue 24-Feb-2009 : Wed 25-Feb-2009 : Chem001A - Molecular structure, VSEPR, Isomers 9am, 1pm: * Nylon Synthesis * models: (R)-CHXYZ, (S)-CHXYZ, CH₂XY (2 copies) * ambidextrous rubber glove (2) Chem001B - Entropy Limits on Energy Use 10am: * exploding balloon * 1CH₄+2O₂ --> * 1C₄H₁₀+2O₂ --> (heavy on the butane, lots of soot) * NI₃ explosion Chem004B - 10am: * no demo Thu 26-Feb-2009 : Fri 27-Feb-2009 : Chem001A - Covalent, Ionic Bonding, MOs 9am, 1pm: * [preparation : condensing LOX ] LN₂ vs magnet LOX vs magnet show blue color of LOX in unsilvered Dewar flask Chem004B - 10am: * no demo Sat 28-Feb-2009 : Sun 01-Mar-2009 : Mon 02-Mar-2009 : Chem001A - Hybridization MOs, Resonance 9am, 1pm: * no demo Chem001B - Free Energy and Useful Work 10am: * Mg combustion in dry ice Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * (repeat)(postpone) liquid crystal threaded rod models * (repeat) latex glove, 1/student * (repeat) CO₂ fire extinguisher vs cloth * (repeat) Hahn echo * (repeat) light sticks (2) * (repeat) WMV WMV2 Liquid crystal panel (120VAC) w/picture Tue 03-Mar-2009 : Wed 04-Mar-2009 : Chem001A - Ideal Gases, Compressibility, Abs. Temp. 9am, 1pm: * Marshmallow vs. vacuum [expansion] [contraction] * VIDEO: Lung model physics C+30+55 & microphone * balloon vs LN₂ Chem001B - Electrochemical Energy 10am: * exploding balloon * 2H₂+O₂ (stoich O₂) * KClO₃+P reaction Chem004B - 10am: * no demo Outreach (Monica Jackson-Tribble - 1030am, 209 Latimer: * (not done) Disappearing Ink: 0.10 g thymolphthalein, 14 mL 2-propanol, 90 mL water, 20 drops 3M NaOH, cloth shirt * Briggs-Rauscher * rose in LN₂ * fireproof balloon (balloon filled with air only; balloon filled with air & water) Chem120B - 11am, 120 Latimer: * rubberband entropy Thu 05-Mar-2009 : Chem104A - 930am: * LOX vs magnet [preparation: condensing LOX] * LOX vs. steel wool Fri 06-Mar-2009 : Chem001A - Review 9am, 1pm: * no demo Chem004B - 10am: * no demo Sat 07-Mar-2009 : Sun 08-Mar-2009 : Mon 09-Mar-2009 : Chem001A - Kinetic Gas Theory 9am, 1pm: * bromine race * (add) (not done) ball bearings (physics) Chem001B - Batteries and Fuel Cells 10am: * alkali metals - Li, Na, K Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * no demo Tue 10-Mar-2009 : Wed 11-Mar-2009 : Chem001A - Real gases, phase transitions 9am, 1pm: * (cancel) ball bearings (physics) * crush can * magnetic tennis balls & track * piece of dry ice * Liquification of a Gas (CO₂) * CO₂ triple point Chem001B - Nuclear Chemistry 10am: * radioactivity, detectors and samples Chem004B - 10am: * no demo Thu 12-Mar-2009 : Fri 13-Mar-2009 : Chem001A - Thermodynamics: First law 9am, 1pm: * (add)(not done) CO₂ fire extinguisher vs cloth Chem004B - 10am: * no demo Sat 14-Mar-2009 : Sun 15-Mar-2009 : Mon 16-Mar-2009 : Chem001A - Thermochemistry, Enthalphy 9am, 1pm: * CO₂ fire extinguisher vs cloth * rubber glove (1/stu) * non-burning (50:50 v:v 2-propanol, dilute during demo) vs burning (100% 2-propanol) "towel" Shakhashiri 1.4 vol. 1, p 13 * steel wool vs LOX * Thermite Chem001B - Nuclear Power: Big Bang for the Bucks, But ... 10am: * Prof. Nitsche brought radioactive samples & detector Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * Hahn spin echo resonance * critical opalescence, aniline vs cyclohexane bi-layer dT Tue 17-Mar-2009 : Wed 18-Mar-2009 : NOTE: Meet w/Jon 8:30-___, demo lab Chem001A - Specific Heat, Calorimetry, Metabolism 9am, 1pm: * LOX vs donut * Snickers minis (1 bag per section) * dynamo + donut (1 per section) Chem001B - Exam II 10am: * no demo Chem004B - 10am: * no demo Chem120B - Prof. Chandler, 120 Latimer [topic] 11am: * critical opalescence * Good & Plenty, M&M's candy - need square or rectangular dish (lasagna dish?) to put on overhead projector Thu 19-Mar-2009 : Fri 20-Mar-2009 : NOTE: 10-12 video session, demolab 01-02 (postponed TBD) meet w/Prof. Arnold's class, demolab 02-05 video session, demolab Chem001A - Bond Energies 9am, 1pm: * no demo Chem004B - 10am: * no demo Sat 21-Mar-2009 : Sun 22-Mar-2009 : Mon 23-Mar-2009 : Spring Recess Tue 24-Mar-2009 : Spring Recess Wed 25-Mar-2009 : Spring Recess Thu 26-Mar-2009 : Spring Recess Fri 27-Mar-2009 : Academic and Administrative Holiday Sat 28-Mar-2009 : Sun 29-Mar-2009 : Mon 30-Mar-2009 : Chem001A - Entropy, Second Law 9am, 1pm: * heat of dilution: endothermic NH₄Cl and exothermic CaCl₂ Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * No Class Today Tue 31-Mar-2009 : Wed 01-Apr-2009 : Chem001A - Free Energy, Direction of Change 9am, 1pm: * Catalytic decompositon of H₂O₂: 2H₂O₂-(MnO₂)-> 2H₂O+O₂ * Al + Br₂ * Mg combustion in dry ice (slabs from Prof. Sarpong) Chem001B - 10am: * exploding balloon * H₂ (no oxygen inside balloon) * weather balloon, buoyant (air + helium) Chem004B - 10am: * no demo Thu 02-Apr-2009 : Fri 03-Apr-2009 : Meet w/Prof. Arnold 1:00 p.m., B16 GPH Chem001A - Equilibrium, Mass Action 9am, 1pm: * Briggs-Rauscher Rxn * iodine clock, dT * Iodine cylinders, heat gun Chem004B - 10am: * no demo Sat 04-Apr-2009 : Sun 05-Apr-2009 : Mon 06-Apr-2009 : Chem001A - Guest Lecturer: Head GSI Paul EllisonEquilibrium, Temperature, Le Chatelier 9am, 1pm: * 2NO₂ <-- dT --> N₂O₄ * Ni series, abbreviated Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * Briggs-Rauscher Rxn Tue 07-Apr-2009 : Wed 08-Apr-2009 : Chem001A - Guest Lecturer: Head GSI Paul EllisonFree Energy, Equilibrium Constant 9am, 1pm: * (NH₄)₂Cr₂O₇ volcano Chem001B - 10am: * no demo Chem004B - 10am: * no demo Thu 09-Apr-2009 : Fri 10-Apr-2009 : Meet Prof. Pines, 11am, 208 Stanley Chem001A - Guest Lecturer: Dr. Michelle DouskeyReview 9am, 1pm: * (on the Elmo) Combine in a 150mL beaker, 1M NaNO₃ and 1M KCl --> NaCl (aq) * (on the Elmo) combine 1M BaCl₂ and 1M H₂SO₄ --> BaSO₄ (s) * note: for 1pm, used 50 mL beaker and 10 mL of each solutionalso added some solid to the beakers (NaCl, BaCl₂) Chem004B - 10am: * no demo Sat 11-Apr-2009 : Sun 12-Apr-2009 : Mon 13-Apr-2009 : Chem001A - Heterogeneous Equilibrium 9am, 1pm: * iodine extraction (use 2 test tubes, 1 for control, do not use sep funnel) * ammonia fountain * conductometric titration * Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * Belousov-Zhabotinsky (B-Z) chaotic oscillation (jpeg image 1 2) * piece of broccoli or cauliflower Tue 14-Apr-2009 : Wed 15-Apr-2009 : Chem001A - Strong Acids and Bases, pH 9am, 1pm: * cabbage pH indicator, household chemicals * basketball Chem001B - 10am: * no demo Chem004B - 10am: * no demo Thu 16-Apr-2009 : Fri 17-Apr-2009 : Chem001A - Weak Acids and Bases, pK 9am, 1pm: * (repeat) basketball Chem004B - 10am: * no demo Sat 18-Apr-2009 : Cal Day, 1-2p, Dr. Douskey UNDER CONSTRUCTION (the demo order is different from the list below) Molecules are Everywhere: * Marshmallows and vacuum * show color of LOX vs LN₂ * (not done) LOX vs magnet, LN₂ vs magnet * liquid air: LN₂ + balloon, glove, (not done) rubber ball, banana (hammer & nail), rose * Dry Ice in water with indicator, SB cylinders, buffer vs. non-buffer * sodium polyacrylate + water (& drinking cup); diaper Molecules: Sound * H₂ in soap bubbles +O₂ Molecules and Mirrors * DNA model * L-CHXYZ and D-CHXYZ models; Mirror * L-Carvone, D-Carvone, volunteers sniff samples Molecules: Sound * CS₂ + NO in tubes Molecules: Heat * ChemQuiz: three balloons 1) butane, 2) 2X butane, 3) Butane + oxygen Molecules: Light * Phosphorous bulb, P+LOX * Fireflies (Cl₂ + calcium carbide) * sugar + H₂SO₄ Molecules: Color * Iodine Clock, dT * Briggs-Rauscher reaction Sun 19-Apr-2009 : Mon 20-Apr-2009 : Chem001A - Titration of Weak Acids 9am, 1pm: * Conductivity and pH of electrolytes: Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * silver Christmas tree -- start at 10:30 a.m. * silver Christmas tree -- start at 1:00 p.m. Tue 21-Apr-2009 : Wed 22-Apr-2009 : Chem001A - Buffers, Indicators, Acid Strength 9am, 1pm: * Buffered vs unbuffered titration by dry ice sublimation Chem001B - 10am: * no demo Chem004B - 10am: * no demo Thu 23-Apr-2009 : Fri 24-Apr-2009 : Chem001A - Polyprotic Acids, Amino Acids 9am, 1pm: * thymol blue pH indicator * 2H₂O₂ --(Turnip catalysis)--> O₂ + 2H₂O, include basic and acidic pH versions Chem004B - 10am: * no demo Sat 25-Apr-2009 : Sun 26-Apr-2009 : Mon 27-Apr-2009 : Chem001A - Reduction Potentials 9am, 1pm: * spontaneous electrodeposition - Cu vs ZnSO₄, Zn vs CuSO₄ * (add, 1pm) reaction of sulfuric acid with [Cu, Zn] (on Elmo) Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * Pb(NO₃)₂/PbI₂ Tue 28-Apr-2009 : Wed 29-Apr-2009 : Chem001A - Galvanic Cells 9am, 1pm: * electrochemical cells Cu|CuSO₄||ZnSO₄|Zn Pt|H⁺|H₂SO₄||ZnSO₄|Zn Pt|H⁺|H₂SO₄||CuSO₄|Cu 2-finger saltbridge Chem001B - 10am: * no demo Chem004B - 10am: * no demo Thu 30-Apr-2009 : Fri 01-May-2009 : Chem001A - Nuclear and Radiochemistry 9am, 1pm: * no demo Chem004B - 10am: * no demo Sat 02-May-2009 : Sun 03-May-2009 : Mon 04-May-2009 : Chem001A - Nuclear and Radiochemistry 9am, 1pm: * geiger counter (Prof. Nitsche) Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * demo Tue 05-May-2009 : Wed 06-May-2009 : Chem001A - Nuclear Applications 9am, 1pm: * physics F+80+0 mouse trap chain reaction Chem001B - 10am: * no demo Chem004B - 10am: * no demo Thu 07-May-2009 : Fri 08-May-2009 : Chem001A - UC-Berkeley and the Actinides 9am, 1pm: * no demo Chem004B - 10am: * no demo Sat 09-May-2009 : Sun 10-May-2009 : Mon 11-May-2009 : Last Day of Instruction Chem001A - Review 9am, 1pm: * no demo Chem001B - 10am: * no demo Chem004B - 10am: * no demo Chem0024 - Prof. Pines, 221 Stanley, 2:10-3p Order, Disorder, Chaos and Fractals 2pm: * demo Tue 12-May-2009 : Wed 13-May-2009 : Thu 14-May-2009 : Fri 15-May-2009 : Sat 16-May-2009 : Sun 17-May-2009 : Mon 18-May-2009 : Tue 19-May-2009 : Wed 20-May-2009 : Thu 21-May-2009 : Fri 22-May-2009 : Sat 23-May-2009 : Sun 24-May-2009 : Mon 25-May-2009 : Academic and Administrative Holiday Tue 26-May-2009 : Wed 27-May-2009 : Thu 28-May-2009 : Fri 29-May-2009 : Sat 30-May-2009 : Sun 31-May-2009 : Mon 01-Jun-2009 : Tue 02-Jun-2009 : Wed 03-Jun-2009 : Thu 04-Jun-2009 : Fri 05-Jun-2009 : Sat 06-Jun-2009 : Sun 07-Jun-2009 : Mon 08-Jun-2009 : Tue 09-Jun-2009 : Wed 10-Jun-2009 : Thu 11-Jun-2009 : Fri 12-Jun-2009 : Sat 13-Jun-2009 : Sun 14-Jun-2009 : Mon 15-Jun-2009 : Tue 16-Jun-2009 : Wed 17-Jun-2009 : Thu 18-Jun-2009 : Fri 19-Jun-2009 : Sat 20-Jun-2009 : Sun 21-Jun-2009 : Class Room Building M T W T F Time Professor Chem001A 01 1 GPH M T W T 8:00a LI, C Chem001B 01 120 LATIMER M T W T 9:30a DHILLON, P P Chem003AL 01 ? PEDERSEN, S F Chem003BL 01 ? ? M T 1:00p VIERNES, N L Chem003B 01 1 GPH M T W T 2p VIERNES, N L Chem003A 01 1 GPH M T W T 9:30a PEDERSEN, S F Mon 22-Jun-2009 : Instruction Begins, 8-week Chem001A, MTuWTh 08-930A, 1 Pimentel, Dr. Chunmei Li, Chem001B, MTuWTh 930-11A, 120 LATIMER, Dr. Param Dhillon Chem001A - 800am: * no demo Chem001B - 930am: * no demo Tue 23-Jun-2009 : Chem001A - 800am: * exploding balloon * H₂ * O₂ * 2H₂+O₂ (stoich O₂) Chem001B - 930am: * no demo Wed 24-Jun-2009 : Thu 25-Jun-2009 : Chem001A - 800am: * conductimetric titration Fri 26-Jun-2009 : Sat 27-Jun-2009 : Sun 28-Jun-2009 : Mon 29-Jun-2009 : Tue 30-Jun-2009 : Wed 01-Jul-2009 : Thu 02-Jul-2009 : Fri 03-Jul-2009 : Sat 04-Jul-2009 : Sun 05-Jul-2009 : Mon 06-Jul-2009 : Chem001A - 800am: * (physics E+05+30) white light spectrum * (physics E+15+10) Hg vapor lamp, line spectrum, ZnS screen Tue 07-Jul-2009 : Chem001A - 8am: * (postpone) r-b anaglyph 3-D glasses Wed 08-Jul-2009 : Thu 09-Jul-2009 : Fri 10-Jul-2009 : Sat 11-Jul-2009 : Sun 12-Jul-2009 : Mon 13-Jul-2009 : Chem001A - 800am: * r-b anaglyph 3-D glasses * Eagles of New York * Russion landscape * Universal Coastergirl Chem003A - 930am: * polarizers x2 (physics) * corn syrup polarizer Tue 14-Jul-2009 : Chem001A - 800am: * VIDEO: alkali metals + H₂O (w/ indicator) Wed 15-Jul-2009 : Thu 16-Jul-2009 : Chem003B - 100pm: * luminol Fri 17-Jul-2009 : Sat 18-Jul-2009 : Sun 19-Jul-2009 : Mon 20-Jul-2009 : Chem001A - 800am: * six identical balloons, any color Tue 21-Jul-2009 : Wed 22-Jul-2009 : Thu 23-Jul-2009 : Fri 24-Jul-2009 : Sat 25-Jul-2009 : Sun 26-Jul-2009 : Mon 27-Jul-2009 : Tue 28-Jul-2009 : Chem001A - 800am: * cabbage pH indicator, household chemicals Wed 29-Jul-2009 : Thu 30-Jul-2009 : Fri 31-Jul-2009 : Sat 01-Aug-2009 : Sun 02-Aug-2009 : Mon 03-Aug-2009 : Chem001A - 800am: * Conductivity and pH of electrolytes: Tue 04-Aug-2009 : Chem001A - 800am: * 2H₂O₂ --(Turnip catalysis)--> O₂ + 2H₂O, include basic pH version Wed 05-Aug-2009 : Chem001A - 800am: * Buffered vs unbuffered titration by dry ice sublimation Thu 06-Aug-2009 : Fri 07-Aug-2009 : Sat 08-Aug-2009 : Sun 09-Aug-2009 : Mon 10-Aug-2009 : Tue 11-Aug-2009 : Wed 12-Aug-2009 : Thu 13-Aug-2009 : Fri 14-Aug-2009 : Instruction Ends, 8-week Sat 15-Aug-2009 : Sun 16-Aug-2009 : Mon 17-Aug-2009 : Tue 18-Aug-2009 : Wed 19-Aug-2009 : Thu 20-Aug-2009 : Fri 21-Aug-2009 : Sat 22-Aug-2009 : Sun 23-Aug-2009 : Mon 24-Aug-2009 : Tue 25-Aug-2009 : Class Room Building M T W T F Time Professor Chem001A 01 1 GPH M W F 9:00a STACY, A M Chem001A 02 1 GPH M W F 11:00a MAJDA, M M Chem004A 01 1 GPH M W F 12:00p HEAD-GORDON, M; DHILLON, P P; SAYKALLY, R J Chem001A 03 1 GPH M W F 1:00p ARNOLD, J Chem003A 01 1 PIMENTEL T T 8:00a PEDERSEN, S F Chem003AL 01 1 PIMENTEL W 5:00P PEDERSEN, S F Chem003B 01 100 LEWIS T T 8:00a VOLLHARDT, K P Chem003B 02 1 GPH T T 2:00p VOLLHARDT, K P Chem003BL 01 1 GPH F 5:00p LI, C Chem003BL 02 100 LEWIS M 3:00p LI, C Chem0015 01 100 LEWIS T T 11:00a GROVES, J Chem0024 01 11:00a CANCELLED Chem0C96 01 4 LE CONTE W 4:00p BOERING, K A Wed 26-Aug-2009 : Instruction Begins Chem001A - FINE ART: Representing Molecules 9am, 11am, 1pm: * Ball-and-stick model of glucose (A. Stacy) * Space-filling model of glucose (A. Stacy) * exploding balloon * 2H₂ Chem004A - Topic 12pm: * exploding balloon * CH₄ + 2O₂ (stoich) * 2H₂ + O₂ (stoich) * C₂H₂ + ⁵/₂O₂ (stoich) * (out of time, postpone) VIDEO: alkali metals + H₂O (no indicator) (Na (~0.75g), K (~0.75g clean sides, or ~1.0g dull sides), K (fake Rb, ~1.0g clean sides)) * Thermite Thu 27-Aug-2009 : Fri 28-Aug-2009 : Chem001A - EIGHT IS ENOUGH: Periodic Table 9am, 11am, 1pm: * Na combustion in Cl₂ gas; Na(s) + Cl₂(g) --> NaCl, text * 2H₂+O₂ soap bubbles, (use old bubble apparatus - stoichiometric gas production in apparatus) Chem004A - Topic 12pm: *VIDEO: alkali metals + H₂O (no indicator) (Na (~0.75g), K (~0.75g clean sides, or ~1.0g dull sides), K (fake Rb, ~1.0g clean sides)) * (not done) Al/Zn powder in petri dish + 3M HCl (over fume hood) * Na combustion in Cl₂ gas; Na(s) + Cl₂(g) --> NaCl, text Sat 29-Aug-2009 : Sun 30-Aug-2009 : Mon 31-Aug-2009 : Chem001A - ELECTRON GLUE: Chemical Bonds 9am, 11am, 1pm: * Conductivity of solids * Solubility of solids * Conductivity of solutions * see table (Use sulfur in place of silicon carbide.) * samples to illustrate properties (hardness, flexibility, brittleness, volatiliy, etc.): Al foil, rock salt (from Chem 1 Stockroom), dry ice, ceramic crucible * 1pm (add) Hg(l) for conductivity test * 1pm (add) diamond, graphite, CO₂ models (J. Arnold) Chem004A - Topic 12pm: * geiger counter, sources & filters * (physics E+25+15) HeNe laser diffraction, 2-slit Tue 01-Sep-2009 : Wed 02-Sep-2009 : Chem001A - SHAPES MATTER: Molecular Shape 9am, 11am, 1pm: * Big model kits: methane CH₄, difluorimethane CH₂F₂(2), ethanol C₂H₅OH, NH₃, CH₂O, H₂O, CO₂ * Big model kits: CHFClBr and mirror image; mirror * four balloons to show tetrahedron * four pieces of string tied together at one end (3-ft string) * three pieces of string tied to gether at one end (3-ft string) * charged rod - hexane, isopropanol, and water (physics) Chem004A - Topic 12pm: * (physics E+15+10) Hg vapor lamp, line spectrum * (physics F+15+05) Photoelectric Effect, Light through different filters into phototube changes current Thu 03-Sep-2009 : Fri 04-Sep-2009 : Chem001A - MOLECULES IN MOTION: Ideal Gases 9am, 11am, 1pm: * ballons [air, helium, CO₂] * http://phet.colorado.edu/simulations/sims.php?sim=Gas_Properties * http://www.physics.weber.edu/schroeder/software/ * transparency projector & transparency with 10 equally-spaced vertical lines (no horizontal lines), drawn with the transparency rotated 90 degrees from the normal page (landscape) * 22.4L box * LN₂ vs. rubber hose, flower (A. Stacy), air balloon, helium balloon * air pressure mat * pop cork (heat the gas trapped inside a test tube with a cork to pop a cork) * egg in & out of bottle (use ice bath!) * balloon in a vacuum * marshmallow in a vacuum * (add, 1pm) condensation in a test tube (CO₂, O₂, He balloons attached to test tubes filled with corresponding gases. Dunk test tube in LN₂ - liquid condenses in test tube. Chem004A - 12pm: * rope-a-dope Sat 05-Sep-2009 : Sun 06-Sep-2009 : Mon 07-Sep-2009 : Academic and Administrative Holiday Tue 08-Sep-2009 : Wed 09-Sep-2009 : Chem001A - IT'S JUST A PHASE: Real Gases 9am, 11am, 1pm: * (cancel) Bromine race * (add) Helium balloon for breathing * (add 1pm) SF₆ balloon for breathing * ball bearings, 2 different sizes, different speeds (physics) * water balloon - Place small amount of water in flask, place balloon over flask. Heat water to inflate balloon. Remove flask from heat, balloon deflates. * Boil small amount of water in flask, place balloon over flask. Place flask in ice water. Balloon pushed inside flask. * "Molecules" http://www.physics.weber.edu/schroeder/software/ * Crush can - Place small amount of water in a can. Boil the water. Seal the can. Repeat with soda cans. Chem004A - 12pm: * none Thu 10-Sep-2009 : Fri 11-Sep-2009 : Chem001A - ATTRACTIVE MOLECULES: Liquids and Solids 9am, 11am, 1pm: * (cancel) plastic syringe (with water or ethanol). Attach to Vernier pressure gauge and display measurements on a computer - 1) no air 2) pull plunger 3) push plunger back partially (Prof. Stacy will borrow Vernier gauge) * Ignite isopropanol vapor in plastic bottle (3 different sizes) Chem004A - 12pm: * none Sat 12-Sep-2009 : Sun 13-Sep-2009 : Mon 14-Sep-2009 : Chem001A - BIG MOLECULES: Polymers 9am, 11am, 1pm: * nylon synthesis * plastic wrap, milk carton, plastic cup, diaper, panty hose (for show) * plastic sulfur (Shakhashiri V1.p243) * sodium polyacrylate + water in drinking cup * White phosphorous vs LOX JPG Col. Dr. Brian D. Shaw Chem004A - 12pm: * none Tue 15-Sep-2009 : Wed 16-Sep-2009 : Chem001A - MIXING MATTER: Properties of Solutions 9am, 11am, 1pm: * Water to Fruit Punch to Strawberry Milk to Ginger Ale http://www.elmhurst.edu/~chm/demos/index.html * To beaker #1 add 600 mL of distilled water and 5 g sodium carbonate * To beaker #2 add 2 eyedroppers full of phenolphthalein * To beaker #3 add 2 g calcium chloride * To beaker #4 add 25 mL of the 6 M nitric acid and 5 droppers of bromothymol blue * Solution conductivity * Test solution conductivity with a light bulb: HCl, vinegar, carbonated water, methanol, sugar, salt, washing soda, ammonia, drain cleaner * cabbage juice color (same solutions as used in conductivity demo above) Chem004A - 12pm: * none Thu 17-Sep-2009 : Fri 18-Sep-2009 : Chem001A - FINDING SOLUTIONS: Concentration 9am, 11am, 1pm: * 55 mole samples: He, C, H₂O (1L Florence flask), Al, Pb (physics) - (use the desk for this demo) * (add) 22.4 L box * Three beakers (Florence flasks), each with 100 mL of 0.01 M HCl with methyl orange indicator (color change from red to yellow near pH 3) * Leave the first beaker as is * Add 900 mL water to the 2nd beaker (note: added the acid to the water) * Add 9900 mL water to the 3rd beaker (note: added the acid to the water) (Note: It may be necessary to add more methyl orange to the dilute solutions.) * (add) 1 mL of 1M HCl in a 10 mL beaker + Mg (s) projected on Elmo; take some of the (900 mL + 0.01M HCl) and add Mg (s), projected on the Elmo * (add) balance Chem004A - 12pm: * MIDTERM I Sat 19-Sep-2009 : Sun 20-Sep-2009 : Mon 21-Sep-2009 : Chem001A - BASICALLY WEAK: Equilibrium Constant 9am, 11am, 1pm: * Dissolve the solid form of the three indicators in water so students can see the solution color: methyl orange, bromothymol blue, alizarin yellow. Show the solid indicators so students can see their color. * (add, 1pm) NaBH₄ (s) + H₂O in petri dish on Elmo Chem004A - 12pm: *VIDEO: alkali metals + H₂O (no indicator) (Li, Na (~0.75g), K (~0.75g clean sides, or ~1.0g dull sides), K (fake Rb, ~1.0g clean sides)) Tue 22-Sep-2009 : Wed 23-Sep-2009 : Chem001A - BACK IT UP: Reversibility 9am, 11am, 1pm: * Neutral solution of 3 indicators: methyl orange, bromothymol blue, phenolphthalein. shift the equilibria by adding acid and base. * Catalytic decompositon of H₂O₂ (elephant toothpaste): 2H₂O₂ -(1M KI)-> 2H₂O+O₂; 3 iterations: 0.32 mol of H₂O₂ - 50% (20 mL), 10% (100 mL), 3% (300 mL) + 25 mL 1 M KI * glass bowl with 50 red and 50 yellow Legos put together in red-yellow pairs. Use 4x2 Duplos. * Show simulation http://mc2.cchem.berkeley.edu/java/equilibrium/ * Run the simulation starting with all A2. Record the number of A2 and A at equilibrium. * Run the simulation starting with all A. Record the number of A2 and A at equilibrium. (It is the same as above!) (or use MOlecular Workbench software) Chem004A - 12pm: * VSEPR balloons Thu 24-Sep-2009 : Fri 25-Sep-2009 : Chem001A - SPECIAL K: Same Reaction, Same K 9am, 11am, 1pm: * Red, yellow, green, blue Legos * Nickel complexes (Shakhashiri V1, p.299, modified) * 100 mL 0.1 M NiSO₄ + 100 mL 0.4 M HCl (no color change) * 100 mL 0.1 M NiSO₄ + 100 mL 0.6 M NH3 (turns blue) * 100 mL 0.1 M NiSO₄ + 100 mL 0.3 M en (turns purple) * 2 g Ni SO₄(s) + 50 mL 12 M HCl (yellow-green) >> To make Cl^- work: you can't keep adding 0.10M Cl^- because you will dilute the Ni too much. Instead, add 6.0 M HCl. Add conc. HCl to NiSO₄(s). >> The color for NH₃ addition gets deeper blue if you add more NH₃. * methyl orange solutions: red, orange, yellow * Cobalt demo: * 50 mL 0.1 M CoCl₂ (control, pink) * 50 mL 0.1 M CoCl₂ + 20 mL 12 M HCl (pink) * 50 mL 0.1 M CoCl₂ + 40 mL 12 M HCl (purple) * 50 mL 0.1 M CoCl₂ + 100 mL 12 M HCl (blue) * add AgNO₃(aq) to purple solution to turn it pink * add H₂O to blue solution to turn it pink Chem004A - 12pm: Sat 26-Sep-2009 : Sun 27-Sep-2009 : Mon 28-Sep-2009 : Chem001A - WHAT'S YOUR REACTION: Chemical Reactions 9am, 11am (Stacy), 1pm: * pour together solutions of CaCl₂ & Na₂CO₃ * acid base reaction: pour together an acid (red) solution and a base (blue) solution to get a neutral (green) solution - universal indicator? * VIDEO: alkali metals + H₂O (no indicator) (Li, Na (~0.75g), K (~0.75g clean sides, or ~1.0g dull sides)) * (add, 1pm) fake Rb (1.0g K clean sides) * Zn in balloon and HCl in Erlenmeyer flasks * 0.050 mol Zn (use Mg) + 0.050 mol HCl * 0.050 mol Zn (use Mg) + 0.10 mol HCl * 0.10 mol Zn (use Mg) + 0.10 mol HCl * 0.10 mol Zn (use Mg) + 0.20 mol HCl Chem004A - 12pm: * [preparation : condensing LOX ] LN₂ vs magnet LOX vs magnet show blue color of LOX in unsilvered Dewar flask Tue 29-Sep-2009 : Wed 30-Sep-2009 : Chem001A - NEUTRAL TERRITORY: Acid Base Reactions 9am, 11am (Stacy), 1pm: * effect of pH on the solubility of casein (Shakhashiri V3, p188) Chem004A - 12pm Thu 01-Oct-2009 : Fri 02-Oct-2009 : Homecoming Chem001A - HOW RESILIENT: Buffers 9am, 11am, 1pm: * Two acidic solutions with pH ~3.5 (react with base) * Flask 1: 100 mL 0.00030 M HCl with universal indicator * Flask 2: 100 mL 0.010 M acetic acid with universal indicator * add 50 mL 0.010 M NaOH to each * Buffered vs unbuffered titration by dry ice sublimation, modified: tap water, 0.00001 M (dilute) NaOH, 0.0010 M NaOH, 0.10 M sodium phosphate, 0.10 M NH₄OH Chem004A - 12pm Sat 03-Oct-2009 : Homecoming Sun 04-Oct-2009 : Homecoming Mon 05-Oct-2009 : Chem001A - LIKE IT OR NOT: Solubility 9am, 11am, 1pm * 1 petri dish w/ water; 1 petri dish w/ salt water. Add a drop of dye to each. Project on the Elmo. * Four solutions w/ different amounts of a solid compound dissolved in water. The color of the solutions darkens until saturation is reached. At that point, the solution color does not change any more no matter how much solid is present. * Solution 1: light color * Solution 2: medium color * Solution 3: near saturation * Solution 4: excess solid * note: Use water with food coloring, 4 different shades and an insoluble solid (CaCO₃ powder). * crystallization of supersat'd sodium acetate * Heat sugar (Stacy will work on this) - fail (do not use for 11am & 1pm) * Hexane layer on water (dyed); Add soap to create micelles with hexane Chem004A - 12pm Tue 06-Oct-2009 : Chem220A, Prof. Geissler - 2pm - 9 Lewis * rubber band entropy [more pics: 1 2 3 ] Wed 07-Oct-2009 : Chem001A - : 9am, 11am, 1pm * Pb(NO₃)₂/PbI₂ -- 25 mL of 0.10M Pb(NO₃)₂ -- 50 mL of 0.10M KI -- combine in large test tube (add Pb(NO₃)₂ to KI) --> PbI₂ ppt -- let the solution settle, vacuum filter (pour mixture slowly into Buchner funnel) and transfer supernate to a test tube -- add KI(s) to supernate, PbI₂ ppt Chem004A - 12pm Thu 08-Oct-2009 : Fri 09-Oct-2009 : Chem001A - SEPARATION ANXIETY: Separating Mixtures 9am, 11am, 1pm * chromatography with a fan (Stacy set this up): box in various size foam balls, corks, etc with gunpowder race track. Blow with a fan. * Salting Out (Shakhashiri V3, p266). 20 mL of abs. ethanol, 20 mL of dH₂O, ~5 drops 1M HCl, a big squirt of bromothymol blue. Mix in a test tube. Pour into another test tube containing ~6 g K₂CO₃ anhydrous. Shake. * iodine extraction (hexane vs. iodine water) * (not done) methylene blue and activated carbon * (not done 9am) paper chromatography (ink pens, water) * ion-exchange chromatography: separate Co/Cu mixture (see Chem 4 lab manual) Chem004A - 12pm * Al + Br₂ Sat 10-Oct-2009 : Sun 11-Oct-2009 : Mon 12-Oct-2009 : Chem001A - MIDTERM II REVIEW 9am, 11am, 1pm * ammonia fountain * Briggs-Rauscher Rxn Chem004A - 12pm * marshmallow vacuum * crush can Tue 13-Oct-2009 : Wed 14-Oct-2009 : Chem001A - POINT OF VIEW: Heat Transfer 9am, 11am, 1pm * magnetic tennis balls * butane balloon * isopropanol evaporation (put a drop on a student volunteer's hand) * sodium acetate crystallization Chem004A - 12pm * barometer (borrow from Chem 4 Stockroom) * diffusion of HCl & NH₄OH (borrow tube from physics) Thu 15-Oct-2009 : Fri 16-Oct-2009 : Chem001A - THE HEAT IS ON: Thermal Equilibrium 9am, 11am (Arnold), 1pm * (not done 9am) warm water, cold water, room temp water (for a student volunteer to put his/her hands in) * (not done 9am) burning dollar bill (H₂O (burn paper), IPA (burn paper), 50% IPA in H₂O (burn money)) * 560 g Fe at 100C into 560 mL water at 20C. Measure final temp (use digital thermometer). * burning Cheeto puff (use digital thermometer) Chem004A - 12pm * Midterm II Sat 17-Oct-2009 : Sun 18-Oct-2009 : Mon 19-Oct-2009 : Chem001A - MAKE IT OR BREAKT IT: Bond Energies 9am, 11am, 1pm * (9am) burning dollar bill (H₂O (burn paper), IPA (burn paper), 50% IPA in H₂O (burn money)) * Molecular workbench simulation * http://workbench.concord.org/modeler/ * Double click on "Library of Models," then "Chemistry," then "Chemical reaction kinetics," then "How Chemical Reactions Happen," then "How Explosions Happen." * magnetic tennis balls * Electrolysis of water to generate H₂ and O₂ (Hoffman apparatus) * (not done, 1pm) H₂ and O₂ soap bubbles in hand * exploding balloon * H₂ * CH₄ * C₄H₁₀ * LOX vs donut * LOX vs Cheeto Chem004A - 12pm * gas pressure doing work - glass piston 1 2 * CO₂ extinguisher vs. black cloth Tue 20-Oct-2009 : Wed 21-Oct-2009 : Chem001A - COMPOUND INTEREST: Heats of Reaction 9am, 11am, 1pm * steel wool in LOX * Thermite Chem004A - 12pm * 560 g Fe at 100C into 560 mL water at 20C. Measure final temp (use digital thermometer). Thu 22-Oct-2009 : Fri 23-Oct-2009 : Chem001A - WHAT A MESS: Energy Disposal 9am, 11am, 1pm * Jolly's video * dissolution of CaCl₂ (exothermic) * dissolution of NH₄Cl (endothermic) * bromine expansion into vacuum Chem004A - 12pm * dissolution of CaCl₂ (exothermic) * dissolution of NH₄Cl (endothermic) * steel wool in LOX * exploding balloon * acetylene-O₂ (stoich) * LOX vs donut Sat 24-Oct-2009 : Sun 25-Oct-2009 : Mon 26-Oct-2009 : Chem001A - WHICH WAY: Enthalphy vs Entropy 9am, 11am, 1pm * Ba(OH)₂*8H₂O (s) + 2 NH₄Cl (s) --> 2 NH₄OH (aq) + BaCl₂ (aq) + 8 H₂O (l), freeze to wood (Shakhashiri Vol.1, p.10) * 32 g Ba(OH)₂*8H₂O (s) + 11 g NH₄Cl (s) --> mix in beaker. Stir until soupy. Squirt dime-sized drop of water onto wooden block. Place beaker on wood to freeze water. * dehydration of sucrose (400-mL TF beaker, ~150 mL sugar, add conc. H₂SO₄ to ~200 mL mark, stir. add more acid as necessary (less acid is better)) * (1pm only) exploding balloon * acetylene-O₂ (stoich) Chem004A - 12pm Tue 27-Oct-2009 : Wed 28-Oct-2009 : Chem001A - HOW FAR: Gibbs' Free Energy 9am, 11am, 1pm * Mg + dry ice --> MgO + C (s) (note: also add MgO (s) and C (s) with Mg (s) before lighting) * heat and cool bulb of NO₂/N₂O₄ mixture Chem004A - 12pm * steam engine Thu 29-Oct-2009 : Chem220A, Prof. Geissler - 2pm - 9 Lewis * critical opalescence, aniline vs cyclohexane bi-layer dT Fri 30-Oct-2009 : Sat 31-Oct-2009 : Sun 01-Nov-2009 : Mon 02-Nov-2009 : Chem001A - MAKE IT WORK: Heat and Work 9am, 11am, 1pm * (not done) show how mechanical energy can heat water (egg beater?) * put ~10 mL of water in a flask with a cork and heat on a hotplate. * put ~10 mL of water in a flask with a balloon and heat on a hotplate. * steam engine * animation of steam engine: http://science.howstuffworks.com/steam1.htm * animation of combustion engine: htt://auto.howstuffworks.com/engine1.htm Chem004A - 12pm * heat and cool bulb of NO₂/N₂O₄ mixture * iodine cylinders, heat gun Tue 03-Nov-2009 : Wed 04-Nov-2009 : Chem001A - GOT ELECTRONS?: Redox Reactions 9am, 11am, 1pm * Zn, Cu, Ag in 0.1M ZnSO₄ * Zn, Cu, Ag in 0.1M CuSO₄ * Zn, Cu, Ag in 0.1M AgNO₃ * Cu|Zn cell (1M solutions, salt bridge, voltmeter) * silver xmas tree Chem004A - 12pm * Fe(SCN)²⁺ <--> Fe³⁺ + SCN^- (use Head-Gordon procedure) * NiSO₄ + (a) 5 mL 25% en, (b) 10 mL 25% en, (c) 15 mL 25% en (Shakhashiri v1.p299) Thu 05-Nov-2009 : Fri 06-Nov-2009 : Chem001A - FEEL THE POWER: Energy Sources 9am, 11am, 1pm * solar cell (borrowed from Chem 1 Stockroom) + voltmeter * dynamo * (9am, 11am) acetylene balloon * (1pm) geiger counter & sources Chem004A - 12pm * no demos Sat 07-Nov-2009 : Sun 08-Nov-2009 : Mon 09-Nov-2009 : Chem001A - MIDTERM 2 REVIEW: 9am, 11am, 1pm * beating heart (Shakhashiri v4.p260) Chem004A - 12pm * exam review Tue 10-Nov-2009 : Wed 11-Nov-2009 : Academic and Administrative Holiday Thu 12-Nov-2009 : Fri 13-Nov-2009 : Chem001A - ALL A GLOW: Light Energy 9am, 11am, 1pm * tesla coil * methanol and isopropanol combustion (in a pan) * heat a metal to cause it to glow red-orange * lightbulb on variac * (physics E+05+30) white light spectrum * show website: single slit experiment * show website: http://webphysics.davidson.edu/alumni/MiLee/java/bb_mjl.htm Chem004A - 12pm * Midterm 3 Sat 14-Nov-2009 : Sun 15-Nov-2009 : Mon 16-Nov-2009 : Chem001A - HOW ABSORBING: Light and Color 9am, 11am, 1pm * filters (pass out to students), rainbow of colors (colored folders, helium balloons - ROYGB) * dye solutions in front of slide projector (white light spectrum (physics E+05+30)) Chem004A - 12pm * ammonia fountain * conductimetric titration * Pb(NO₃)₂/PbI₂ -- 25 mL of 0.10M Pb(NO₃)₂ -- 50 mL of 0.10M KI -- combine in large test tube (add Pb(NO₃)₂ to KI) --> PbI₂ ppt -- let the solution settle, vacuum filter (pour mixture slowly into Buchner funnel) and transfer supernate to a test tube -- add KI(s) to supernate, PbI₂ ppt Tue 17-Nov-2009 : Wed 18-Nov-2009 : Chem001A - NOW YOU SEE: Spectroscopy 9am, 11am, 1pm * dye solutions in front of slide projector (white light spectrum (physics E+05+30)) * (physics F+15+05) Photoelectric Effect * Big Game Titration (Cal band at 11:40am) Chem004A - 12pm * cabbage juice color Thu 19-Nov-2009 : Fri 20-Nov-2009 : Chem001A - PHOTO OPPORTUNITY: Subshell Model 9am, 11am, 1pm * (not done, cancelled) (physics F+15+05) Photoelectric Effect Chem004A - 12pm * Buffered vs unbuffered titration by dry ice sublimation Sat 21-Nov-2009 : Sun 22-Nov-2009 : Mon 23-Nov-2009 : Chem001A - : 9am, 11am, 1pm * rope-a-dope * resonance in a metal rod * ladder Chem004A - 12pm * Calcium Hydroxide vs Carbon Dioxide * modified: 25 mL 0.02M Ca(OH)₂ to 75 mL dH₂O in a 250-mL Erlenmeyer flask. Breathe in through a straw attached to rubber hose Tue 24-Nov-2009 : Wed 25-Nov-2009 : Chem001A - 9am, 11am, 1pm * NO CLASS! Chem004A - 12pm * Thu 26-Nov-2009 : Academic and Administrative Holiday Fri 27-Nov-2009 : Academic and Administrative Holiday Sat 28-Nov-2009 : Sun 29-Nov-2009 : Mon 30-Nov-2009 : Chem001A - 9am, 11am, 1pm * gas discharge tubes & tesla coil * diffraction glasses * flame tests (dissolve solids in Methanol and/or spray bottles to spray into flame) (use petri dishes; pour some solid in, then add methanol; light with a match) (chemicals for flame tests - ROYGBV) LiCl, CaCl₂, NaCl, CuCl₂, CuSO₄, KCl Tue 01-Dec-2009 : Wed 02-Dec-2009 : Thu 03-Dec-2009 : Fri 04-Dec-2009 : Sat 05-Dec-2009 : Sun 06-Dec-2009 : Mon 07-Dec-2009 : Tue 08-Dec-2009 : Wed 09-Dec-2009 : Last Day of Instruction Thu 10-Dec-2009 : Fri 11-Dec-2009 : Sat 12-Dec-2009 : Sun 13-Dec-2009 : Mon 14-Dec-2009 : Tue 15-Dec-2009 : Wed 16-Dec-2009 : Thu 17-Dec-2009 : Fri 18-Dec-2009 : Sat 19-Dec-2009 : Sun 20-Dec-2009 : Mon 21-Dec-2009 : Tue 22-Dec-2009 : Wed 23-Dec-2009 : Thu 24-Dec-2009 : Academic and Administrative Holiday Fri 25-Dec-2009 : Academic and Administrative Holiday Sat 26-Dec-2009 : Sun 27-Dec-2009 : Mon 28-Dec-2009 : Tue 29-Dec-2009 : Wed 30-Dec-2009 : Thu 31-Dec-2009 : Academic and Administrative Holiday Fri 01-Jan-2010 : Academic and Administrative Holiday Next Year