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151 CHM HOUR EXAM 3 Spring 2001 Instructor: Lisa Diebolt ___________________________ Your name Part One: Multiple choice. Choose the best answer and write the letter in the blank provided. (38 points) __ 1. Which of these substances does not have a H f equal to 0. A. O2(g) __ B. N2(l) C. Fe (s) D. Hg(l) E. H f for all of these 2. Calculate the H for the following reaction given the H f values. IF7(g) + I2(s)...
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151 CHM HOUR EXAM 3 Spring 2001 Instructor: Lisa Diebolt
___________________________ Your name
Part One: Multiple choice. Choose the best answer and write the letter in the blank provided. (38 points) __ 1. Which of these substances does not have a H f equal to 0. A. O2(g) __ B. N2(l) C. Fe (s) D. Hg(l) E. H f for all of these 2. Calculate the H for the following reaction given the H f values. IF7(g) + I2(s) IF5(g) + 2IF(g) H f (kJ/mol) -95 -840 -941 B. 311 kJ C. 1991 kJ D) 89 kJ E. 6 kJ
Substance IF(g) IF5(g) IF7(g) A. 89 kJ __
3. The beh...
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