eng-08spring-CHM2046C-e102x02-key

eng-08spring-CHM2046C-e102x02-key - Exam 2 answer key The...

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Exam 2 answer key 22 Feb 08 The test version is listed after before problem #1, after #20 and next to #21. PART I (60 pts total, each question is 3 pts) # Question percent expected percent correct δ -2-A δ -2-B ε -2-A ε -2-B 1 Henry’s law 95 89.1 e d b c 2 solubility and temperature 80 21.8 c d a a 3 intermolecular forces in a solution 70 32.7 d b e e 4 molarity from molality, density 50 41.8 d a e d 5 mole fraction from molality 70 32.7 a b d c 6 vapor pressure, van’t Hoff factor 30 18.2 e d c a 7 predicting entropy 90 92.7 d a c e 8 predicting entropy 76 38.2 e e a d 9 standard entropy change 90 49.1 d e b a 10 Δ S univ from Δ S rxn and Δ S rxn 50 38.1 c b a d 11 Gibbs free energy 70 45.5 a b d c 12 predicting entropy and free energy 76 9.1 b a d a 13 collision theory 70 81.8 b e d c 14 factors affecting reaction rate 70 70.9 d a b e 15 order of a reaction from graphs 25 41.8 c b a d 16 forward and reverse E a 85 47.3 a b d e 17 half-life, second order 40 36.4 c d e c 18 half-life, first order
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This note was uploaded on 07/10/2011 for the course CHM 2045 taught by Professor Eng during the Fall '10 term at UNF.

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eng-08spring-CHM2046C-e102x02-key - Exam 2 answer key The...

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