12 December 2013

Biochemistry Thermodynamics: Practice Problem 2

The equilibrium constant for A ↔ B is 0.5 at 20C and 10 at 30C. Assuming ΔH˚ is independent of temperature, calculate ΔH˚, ΔG˚ and ΔS˚ at both temperatures.

From GARRETT/GRISHAM. Biochemistry, 4E. © 2009 Brooks/Cole, a part of Cengage Learning, Inc. Reproduced by permission. www.cengage.com/permissions 

Extra Credit: Why must you assume ΔH is independent of temperature?
--Hint: Look at a Van't Hoff plot.

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