Chem+2+MIDTERM+2+Form+A++KEY

Chem+2+MIDTERM+2+Form+A++KEY - Midterm 2 Exam Form A, CHEM...

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Midterm 2 Exam Form A, CHEM 002 Fall 2008. (Chapters 9, 10, 12, 13 and 14) Name: _________________________ Date: ____________ 1. A mixture of hydrogen atoms and helium ions, He + , were irradiated with monochromatic radiation whose frequency, v, was 2.46755x10 15 s -1 . The hydrogen atoms experienced an excitation transition from the n = 1 state to the n = 2 state; did the helium ions experience an excitation transition as well, and if so, what were the initial and final states? a) No b) Yes, n = 2 to n = 4 c) Yes, n = 1 to n = 2 d) Yes, n = 2 to n = 5 e) Yes, n = 1 to n = 4 2. If a chemical reaction is said to be exothermic, what is the relationship between the potential energy of the reactants and the products? a) The products will possess lower potential energy than the reactants. b) The reactants will possess lower potential energy than the products. c) The products will possess a higher potential energy than the reactants. d)
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This note was uploaded on 02/27/2010 for the course CHEM 1132 taught by Professor Cole/clark during the Spring '08 term at UCM.

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Chem+2+MIDTERM+2+Form+A++KEY - Midterm 2 Exam Form A, CHEM...

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