Exam 3-A.pdf - CHEM 121 Exam 3A Spring 2017 PRINT NAME(Last(First(MI Signature Third EXAM SHOW WORK NO WORK NO CREDIT REPORT ALL ANSWERS WITH CORRECT

Exam 3-A.pdf - CHEM 121 Exam 3A Spring 2017 PRINT...

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1 |  P a g e     CHEM 121 Exam 3A - Spring 2017 PRINT NAME ______________________________________________ (Last) (First) (MI) Signature ________________________________________ Third EXAM April 12, 2017 SHOW WORK - NO WORK - NO CREDIT REPORT ALL ANSWERS WITH CORRECT LABELS AND SIGNIFICANT FIGURES No cell phones. You can use a calculator. Raise your hand if you have a question. Keep your eyes on your own paper. Several exam forms may be in use. Questions about grading must be brought to my attention within only one week after receiving your exam
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2 |  P a g e     R = 0.08206 L atm K -1 mol -1 = 8.31451 J K -1 mol -1 Question No. Possible Points Points Earned 1 15 2 15 3 10 4 4 5 24 6 10 7 8 8 14 Total 100
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3 |  P a g e     1. (15 pts) Consider the reactions and their respective equilibrium constants: CO (g) H 2 O (g) CO 2(g) + + H 2(g) K c = 1.5 10 5 CO (g) + 2H 2(g) CH 3 OH (g) K c = 2.8 10 7 What is the K c and K p for the following reaction: CO 2(g) 2H 2(g) + CH 3 OH (g) H 2 O (g) + 2. (15 pts) For the reaction: K p = 1.22 × 10 -2 A mixture is prepared with the following initial pressures: P of ICl = 0.100 atm, P of I 2 = 0.200 atm, P of Cl 2 = 0.300 atm
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