Applying Concepts
These questions test conceptual learning.
Suppose that at a certain temperature T a chemical reaction is found to have a standard equilibrium constant K° of 1.0. Indicate whether each statement is true or false and explain why.
(a) The enthalpy change for the reaction, ΔH°, is zero.
(b) The entropy change for the reaction, ΔS°, is zero.
(c) The Gibbs free energy change for the reaction, ΔG°, is zero.
(d) ΔH° and ΔS° have the same sign.
(e) ΔH°/T = ΔS° at the temperature T.
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