chemistry

CHEM 14C Winter 12 Final Exam Part B Solutions 1. HO O O 2. Influence #1: Resonance causes some or the entire molecule to be planar. Influence #2: Resonance increases stability. Influence #3: Resonance causes electron delocalization. 3. Coplanar The carboxylic acid and ring B have this geometry because it allows for conjugation between the C=O and the B ring aromatic electron cloud. H 4. 5. Ten 6. A, B, and C 7. Of the carbon stereocent...

CHEM 102 WINTER 16 PRACTICE FINAL EXAM (C) KEY 1. What is true about cytosine? Choose ALL true statements. A. All of the nitrogen atoms are sp3 hybridized. B. The bond angle around all carbon atoms are around 120°. C. Cytosine can potentially make up to 8 hydrogen bonds. D. All of the carbon atoms are sp2 hybridized. E. There are a total of 3 pi bonds in this molecule. 2. Rank the following diatomic molecules/ions in terms of decreasing stability. Please choose a SINGLE answ...

CHEM 102 Winter 07 Final Exam Questions and Answers Potentially useful information: x  pH  pKa 2 a  log base acid  ΔG° = ΔH° - T ΔS° ΔG = ΔG° + RT ln Q E  E  R T ln Q n F R = 8.314 J mol-1 K-1 F = 96480 C/mol e- 1. Volatility of a liquid increases as temperature increases because a. the molecules of the liquid decompose into lighter molecules. b. an equilibrium between liquid and vapor is established. c. the number of molecul...

ANTH 1120 Terms and Definitions Latest Updated Jan 8 Globalization Cultural change - More ppl taking self-employment as full-time jobs - Don’t get confused with change and progress! De-territorialisation - Place and culture use to be related - Ex. Tai chi practiced in Canada isn’t the same as done in China (westernized) Cultural imperialism - One culture making its establishment, resulting its domination over another culture Cosmopolitanism - K-pop, sub cultures; resulted from globali...

CHEM 102 Spring 14 Exam 3(A) Questions and Answers Potentially useful: 1. Please choose letter “a” as your answer for this question. 2. A weak acid is 5% ionized at equilibrium. Therefore we can say that the ionization reaction is -favored, because . a. product; the amount of products << the amount of reactants b. reactant; the amount of products << the amount of reactants c. reactant; the amount of products >> the amount of reactants d. product; t...

CHEM 102 Winter 19 Final Exam (A) Questions and Answers Potentially useful data: x  1 atm = 760 torr = 760 mm Hg 2 a [A]t = – kt + [A]o ∆G° = ∆H° – T ∆S° ln[A]t = – kt + ln[A]o ∆G = ∆G° + RT ln Q 1/[A]t = kt +1/[A]o ∆G° = – RT ln K First order half-life: t1/2 = ln2 / k ∆G° = – nFE° pH  pKa  log base acid  E  E  R T ln Q n F R = 8.314 J mol-1 K-1 F = 96500 C/mol e- 1. Please choose the letter “A” as you...

CHEM 102 Winter 18 Make-up Exam (B) Questions and Answers Potentially useful data: x  pH  pKa 2 a  log base acid  ΔG° = ΔH° – T ΔS° ΔG = ΔG° + RT ln Q ΔG° = – RT ln K R = 8.314 J mol-1 K-1 1. Please choose the letter “B” as your answer for this question. 2. Which of the following reactions has a negative S°? a) 2 H2 (g) + O2 (g)  2 H2O (g) b) BaF2 (s)  Ba2+ (aq) + 2 F (aq) c) CH3OH (aq)  CH3OH (l) ...

CHEM 102 – Winter 18 Final Exam Review Practice Problems 1) What is the name of the compound below? A) 2-ethyl-2-butene B) 2-ethylbutane C) 3-methyl-2-pentene D) 3-methyl-3-pentene E) 2,2-ethyl-2-butene 2) Proteins are biopolymers formed via multiple condensation coupling of which two monomers? A) ester and diamine B) diamine and dicarboxylic acid C) dialcohol and amide D) dialcohol and diamine E) alcohol and carboxylic acid 3) Which of the following substances wou...

ANTH 1120 Midterm Review Questions and Answers Terms: Nature: Inspired by Charles Darwin (theory of evolution): – the belief that behaviors including intelligence are biologically based. Nurture: • Margaret Mead’s research debunked that theory. • Identities are NOT biologically based but are learned and cultivated through socialization • Identity is always produced in the course of social interaction Anthropological Skills (toolkit) ; Our ability to conduct qualitative res...

ANTH 1120 anthropology notes Fall 2020 January 7th 2020 Assigned Readings: Stories of Culture and Place, Chapter 11: Anthropology, Cultural Change, and Globalization, pp. 237-294. Scarborough, pp. 1-49 Globalization Key Concepts: > Define each key concept ● Change: is the result of an action or a thought and is not always positive, change does not equal progress ● Cosmopolitanism: Global outlook emerging in response to increasing globalization, every nation is influenc...