gibbscalcs

gibbscalcs - 2 & NAD + + H 2 O 4) Calculate G at 37.0 o...

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CHEMISTRY 365 BIOCHEMISTRY SOME CHAPTER 4 PRACTICE 1) a) Calculate the values of K eq at 37 o C for reactions with G o’ equal to –10.0, -1.0 and +5.0 kcal/mol. b) Calculate the values of G o’ at 37 o C for reactions with K eq equal to 10 -2 , 5.0 and 10 3 . 2) Calculate the overall G o’ for the following coupled processes: a) Form a thioester linkage from the hydrolysis of ATP to AMP and 2 P i b) Form a phosphoester linkage from the hydrolysis of ATP to ADP and P i 3) Calculate the number of moles of ATP that could be formed from ADP if energy transfer is 100% efficient and using the energy available from: (use G o’ s) a) Combustion of one mole of glucose b) Combustion of one mole of palmitic acid c) NADH/H + + 1/2 O
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Unformatted text preview: 2 & NAD + + H 2 O 4) Calculate G at 37.0 o C for the hydrolysis of ATP to ADP under the following nonstandard conditions: a) [P i ] = 1.0 X 10-3 M; [ADP]/[ATP] = 1.0 X 10-3 b) [P i ] = 1.0 X 10-3 M; [ADP]/[ATP] = 1.0 X 10 6 5) Calculate the standard electrical potentials for the following oxidation half reactions: a) NADH/H + NAD + + 2H + + 2e- G o = -15 kcal/mole b) FADH 2 FAD+ 2H + + 2e- G o = -10 kcal/mole Answers: 1) a) 1.12e+7, 5.07, 2.98e-4 b) 2.84, -0.991, -4.26 kcal/mol 2) a)-8.2 kcal/mol b)-4.0 kcal/mol 3) a) 94 moles b) 320 moles c) 7.3 moles 4) a)-15.8 kcal/mol b)-3.0 kcal/mol 5) a) 0.325 V b) 0.217 V...
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This note was uploaded on 11/27/2011 for the course CHM 365 taught by Professor Thomaszamis during the Spring '06 term at FSU.

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