Practice Exam 1 Blank 2005

Practice Exam 1 Blank 2005 - Exam 1 1. White Version N2 (l)...

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Exam 1 White Version Chem. 1B 2005 1 1. (10 pts) Consider the following process at 25 o C and 1 atm. N 2 ( l ) N 2 (g) Predict the sign for q, w, H, S and G. q < 0 q > 0 q = 0 w < 0 w > 0 w = 0 H < 0 H > 0 H = 0 S < 0 S > 0 S = 0 G < 0 G > 0 G = 0 2. a) (4 pts) Write the balanced reaction that corresponds to the heat of formation, H f o , of sucrose, C 12 H 22 O 11 (s). b) (4 pts) Write the balanced reaction that corresponds to the heat of formation, H f o , of barium hydroxide. 3. (4 pts) Which one of the following substances would have the smallest absolute entropy, S o , at 25 o C. Circle the correct answer. a ) H 2 O (g) b) NO (g) c) C 2 H 6 (g) 4. Consider the following reaction. N 2 (g) + O 2 (g) 2 NO (g) H = 180 kJ a) (4 pts) On the potential energy diagram below indicate the position of the reactants relative to the products. b)
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This note was uploaded on 08/06/2008 for the course CHEM 1BL taught by Professor Davis during the Spring '08 term at UCSB.

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Practice Exam 1 Blank 2005 - Exam 1 1. White Version N2 (l)...

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