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OpenStudy (anonymous):
For a certain reaction, the standard free energy change is -80.0 kJ at 300 K and -40.0 kJ at 600 K. What is ΔH for this reaction, in kJ?
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OpenStudy (anonymous):
You want the Gibbs-Helmholtz equation: http://en.wikipedia.org/wiki/Gibbs-Helmholtz_equation
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