Thermodynamics (Gibbs Energy and Equilibrium)

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ChemistryThermodynamics (Gibbs Energy and Equilibrium)

A protein undergoes reversible thermal denaturation from its initial state N to denatured state D according to N <=> D. At 60 C the equilibrium concentrations of N and D are equal, and the standard enthalpy change of denaturation is 666 kJ mol^-1. The standard entropy change (deltaS0 in kJ K^-1 mol^-1) of the protein upon denaturation at 60 C is closest to:

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