Problem Set 7 - Chem 215, Fall 2007 Ch 10: 56, 58, 60, 66,...

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Chem 215, Fall 2007 Problem Set 7 Due Friday, Oct. 19, 2:00 PM Ch 10: 56, 58, 60, 66, 70, 86, 97, 107 Name: ________________________________ Student TA Name: _________________________ Lab Day: ________________________ 1. One of the reactions that destroys ozone in the upper atmosphere is: NO(g) + O 3 (g) NO 2 (g) + O 2 (g) a) Using data from the appendix in your text, calculate G o and K (at 298 K) for this reaction. b) Calculate G for the reaction at 298 K under the following conditions: P NO = 1.00 x 10 -6 atm; P O3 = 2.00 x 10 -6 atm, P NO2 = 1.00 x 10 -7 atm, P O2 = 1.00 x 10 -3 atm.
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Chem 215, Fall 2007 Problem Set 7 Due Friday, Oct. 19, 2:00 PM 2. Carbon monoxide (CO) is toxic because it binds much more strongly to the iron in hemoglobin than does O 2 . The equilibrium constant for the binding of CO is 210 times that for binding of O 2 : (heme)Fe + O 2 (heme)Fe-O 2 K O2 (heme)Fe + CO (heme)Fe-CO K CO K CO /K O2 = 210. Calculate the difference in G o for the binding of CO and O
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Problem Set 7 - Chem 215, Fall 2007 Ch 10: 56, 58, 60, 66,...

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