If the temperature is higher‚ then the reaction rate will be faster. Materials: The materials differ depending on what effect is being demonstrated. For the effect of enzyme concentration on the enzyme‚ the materials used include: catalase (OH 3% and OH 1.0%)‚ forceps‚ filter paper discs‚ water‚ ice‚ vials‚ water baths‚ marking pencils‚ and a timer. Data: The data being collected will be what type of effect does enzyme concentration‚ substrate concentration‚ pH‚ and temperature have on enzyme
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Only answers in the box will be graded. _______________________________________________________________________ _ 1. (30) (a) Draw a stepwise mechanism for the following reaction. Use curved arrows to indicate the movement of electrons. O O H3 C H+ HO OH CH3 O H3 C O CH3 O . (b) Briefly explain the fact that‚ although hemiacetal formation between methanol and cyclohexanone is thermodynamically disfavored‚ addition of methanol to cyclopropane goes essentially to completion. O CH3OH HO OCH3
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there’s a spark in you? You just gotta ignite the light and let it shine Just own the night like the 4th of July ’Cause baby‚ you’re a firework Come on‚ show ’em what you’re worth Make ’em go‚ oh As you shoot across the sky Baby‚ you’re a firework Come on‚ let your colors burst Make ’em go‚ oh You’re gonna leave ’em falling down You don’t have to feel like a waste of space You’re original‚ cannot be replaced If you only knew what the future holds After a hurricane comes a rainbow
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Princess Diaries Script [Sirens] HELEN/ Time for school! Stop daydreaming. You’ll be late for school. MIA: Sometimes l have dreams‚ l picture myself flyin’ Through the clouds High in the sky‚ Conquering the world With my magic piano‚ Never being scared; But then l realize l’m Supergirl And l’m here to save the world But l wanna know‚ Who’s gonna save me? [She goes with her mother to take breakfast] HELEN/ Are you feeling confident? MIA: Not reaIIy. HELEN: Now just remember‚when
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Chemistry102 5/7/2013 Lecture Presentation Chapter 17 Additional Aspects of Aqueous Equilibria John D. Bookstaver St. Charles Community College Cottleville‚ MO © 2012 Pearson Education‚ Inc. Common Ion Effect HA(aq) + H2O(l) ⇔ A−(aq) + H3O+(aq) • Adding a salt containing the anion NaA‚ which • is the conjugate base of the acid (the common ion)‚ shifts the position of equilibrium to the left This causes the pH to be higher than the pH of the acid solution 9lowering the H3O+ ion concentration
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NaHCO3 Fe(NO3)3 NaNO3 Na3PO4 HCl MgSO4 KOH HNO3 Na2SO4 NaHPO4 CuSO4 NaNO2 CoCl2 Al(NO3)3 NiCl2 H2SO4 KCl NH4Cl 12. CuSO4 CuCO3.Cu(OH)2(s) + 2 H2SO4(aq) ----> 2 CuSO4(aq) + CO2(g) + 3 H2O(l) Na3PO4 Na3PO4 (aq) + 3H2O (l) --> H3PO4 (aq) + 3NaOH (aq) 13. Arrhenius definition says that a base yields the hydroxide ion (OH-) in an aqueous solution. Arrhenius definition is dependent on substances in aqueous solutions. On the other hand‚ a Bronsted-Lowry base is one that accepts
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Pimpernel himself! Imagine that? The man whom we all believed‚ even me his wife‚ to be a simpleton‚ a mere charming fool incapable of nothing more than inhaling his snuff in fact is a hero of the people. I feel in torment now‚ and I fear for his life! Oh‚ why was I so stupid to agree with Chauvelin’s demands? Please God‚ tell me why! I remember my last conversation with my dear husband. It felt so strangely awkward. His plans of sailing to France confused me‚ and while he talked‚ I did not listen
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performed‚ there were no OH stretches‚ meaning that the OH- was replaced successfully by the Br-‚ and the water was separated out. The weight of our t-Pentyl Chloride sample was 0.20g. The percent yield was calculated to be 4.17%. The theoretical yield is 0.959g. The boiling point of the sample was determined to be 88° C‚ which is higher than the literature value of 86° C. Again‚ impurities are the reason for this‚ as they can increase boiling point. There were no OH stretches on the IR spectroscopy
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Artist: Arcade Fire Album: Funeral 1. Neighborhood #1 (Tunnels) 2. Neighborhood #2 (Laika) 3. Une Année Sans Lumière 4. Neighborhood #3 (Power Out) 5. Neighborhood #4 (7 Kettles) 6. Crown of Love 7. Wake Up 8. Haiti 9. Rebellion (Lies) 10.In the Backseat ============================ 1. Neighborhood #1 (Tunnels) ============================ Riff: F e|------------------------------------------------| B|------------------------------------------------| G|------------------------------------5-----------|
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Catalyst I II III IV Br a) b) c) d) I II III IV 2 6. What is the major organic product obtained from the following reaction? O H 1 - BH3 2 - H2O2‚ NaOH O H OH I a) b) c) d) I II III IV II III IV 7. What is the major organic product obtained from the following reaction? O H H2O‚ H2SO4 HgSO4 O H OH I a) b) c) d) I II III IV II III IV 8. What is the major organic product obtained from the following reaction? Li NH3 Na I II III IV NH2 a) b) c) d)
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