Land exam2 97

Land exam2 97 - Name _ TA _ Lab Section Number Professor...

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Name ____________________________________ TA ______________________________________ Lab Section Number Professor Land Summer Session II, 1997 CHEMISTRY 2B Midterm II Instructions: CLOSED BOOK EXAM No books or notes allowed. All information required is contained on the exam. Place all work in space provided. If you require additional space, use the back of the exam. (1) Read each question carefully. (2) There is no partial credit for problems in Part I (45%). (3) Show work in Part II (55%). Credit will be given only for work shown. Answers without work will not receive credit. (4) The last page contains potentially useful info and a periodic table. You may remove this for easy access. (5) Graded exams will be returned in discussion sections next week. Page: Possible Points Points 1. 40 Points 2. 55 Points 3. 45 Points 4. 40 Points 5. 40 Points 6. 30 Points Total Score (250) If you finish early, RECHECK YOUR ANSWERS. UC Davis is an Honor Institution.
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1 Part I: Mult. Choice, Concepts and Short Calc.'s, 110 pts - No Partial Credit 1. (30 pts total) Consider the following reaction allowed to come to equilibrium: 2A(g) + 2B(l) <––> 2C(g) + 3D(g) H rxn = -105 kJ • mol -1 If equilibrium is perturbed by the following changes, what will be the effect on the indicated quantity when equilibrium is reestablished? Change in conditions: Effect on Rxn: Increase Decrease No Change (a) If more C(g) is added, what is the effect on the concentration of A(g) present? (b) If more B(l) is added, what is the effect on the concentration of A(g) present? (c) If more C(g) is added, what is the effect
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Land exam2 97 - Name _ TA _ Lab Section Number Professor...

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