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 Spring, 2009. (Chapters 8, 9, 10, 12, 13 and 14) Name: _________________________ Date: ____________ Please note that you may need to balance the chemical equations given in the question(s) below before attempting to answer the question(s). 1) What is the molar concentration of Ag + ions in a saturated solution of Ag 2 CO 3 ? Ag 2 CO 3 has a K sp = 8.1 x 10 -12 . Ag 2 CO 3 (s) 2 Ag + (aq) + CO 3 -2   (aq) a) 1.3 x 10 -4 M b) 2.5 x 10 -4 M c) 5.0 x 10 -4 M d) 0.032 M e) 6.3 x10 -4 M 2) Will two insoluble salts always have equal solubilities, at the same temperature, if their K sp values are the same?   a) Yes b) No c) Not enough information given to answer question. 3) Which series of thermodynamic functions (i.e. ∆Η,Τ and S) represents the highest degree of spontaneous reaction when related to a given chemical reaction? a) + ∆Η, low and -∆ S b) - ∆Η, high + Τ and -∆ S c) - ∆Η, high + Τ and +∆ S d) - ∆Η, low and +∆ S e)
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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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