winter 08 final exam

Winter 08 final exam - CHEM 102 Winter 08 Final Exam On the answer sheet(scantron write your Name Student ID Number and Recitation Section Number

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 102 Winter 08 Final Exam On the answer sheet (scantron) write your Name, Student ID Number, and Recitation Section Number. Choose the best (most correct) answer for each question AND ENTER IT ON YOUR ANSWER SHEET. Potentially useful information: a c a b b x 2 4 2 ± = [ ] [] acid base pK pH a log + = Δ G° = Δ H° - T Δ Δ G = Δ G° + RT ln Q Δ G° = -nFE° Q F n T R E E ln ° = R = 8.314 J mol -1 K -1 F = 96480 C/mol e - 1. Which statement about heat of fusion and heat of condensation is correct? a. There is no general relationship between these two quantities, and the values depend on the substance involved. b. The heat of fusion is always less than the heat of condensation. c. The heat of fusion is exactly equal to the heat of condensation. d. The heat of condensation is equal in magnitude but opposite in sign when compared to the heat of fusion. ANSWER: a 2. The transition from Phase I to Phase III is called a. melting. b. sublimation. c. evaporation. d. condensation. Page 1 of 10
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ANSWER: b 3. Which group includes only endothermic processes? a. freezing, vaporization, deposition b. freezing, condensation, deposition c. melting, evaporation, sublimation d. melting, condensation, sublimation ANSWER: c 4. Which general class of compounds below would you expect to have the lowest vapor pressure? a. ethers b. alkanes c. alcohols d. alkenes ANSWER: c 5. Which statement about structural isomers is true? a. Structural isomers always contain double bonds. b. Structural isomers have the same molecular formulas. c. Structural isomers have the same chemical properties. d. Structural isomers only occur among straight chain compounds. ANSWER: b 6. Assume all hydrocarbons given are linear. Which compound will contain a double bond? a. C 3 H 6 b. C 6 H 10 c. C 2 H 2 d. C 5 H 12 ANSWER: a 7. Which of the following compounds can exhibit cis-trans isomerism? a. 2-butyne b. 2-chloro-2-butene c. 2-methyl-2-butene d. 2-methylbutane ANSWER: b Page 2 of 10
Background image of page 2
8. How many carbons in the structure shown below are chiral? HC O C H OH C OH H C H OH C H OH C OH H H a. 2 b. 3 c. 4 d. 5 ANSWER: c 9. The reaction of HO O C OH C O with ________ will form a polymer via ______________. a. HOCH 2 CH 2 CH 3 ; condensation polymerization b. HOCH 2 CH 2 OH; addition polymerization c. CH 3 CH=CHCH 2 CH 3 ; addition polymerization d. H 2 NCH 2 CH 2 NH 2 ; condensation polymerization ANSWER: d 10. Which of the following names correctly identifies a secondary alcohol that could be formed by adding one hydroxy group to the carbon skeleton shown below?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/13/2008 for the course CHEM 102 taught by Professor Multipleprofs during the Winter '08 term at Drexel.

Page1 / 10

Winter 08 final exam - CHEM 102 Winter 08 Final Exam On the answer sheet(scantron write your Name Student ID Number and Recitation Section Number

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online