(a)
Interpretation:
The value of equilibrium constant for the given reaction needs to be calculated.
Concept Introduction:
The relation between change in standard Gibbs free energy of reaction and equilibrium constant is as follows:
Here, R is Universal gas constant and T is temperature.
(b)
Interpretation: The value of change in Gibbs free energy of the reaction at 298 K needs to be calculated for given concentration values.
Concept Introduction: The relation between change in Gibbs free energy and change in standard Gibbs free energy is represented as follows:
Here, R is Universal gas constant, T is temperature and Q is reaction quotient.
The reaction quotient for any reaction calculated by taking ratio of concentration of product species to the reactant species.

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Chapter 20 Solutions
CHEMISTRY MOLECULAR NATURE OF MATTER
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