Chemistry Gibbs Free Energy Solution: Consider the reaction and table of thermodynamic d...

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Solution: Consider the reaction and table of thermodynamic data at 298 K:What is the value of equilibrium constant for the reaction at 25  ̊C.a) 150b) 9.3 x 1015c) 8.4 x 104d) 1.1 x 10–16e) 1.4 x 108

Problem

Consider the reaction and table of thermodynamic data at 298 K:

What is the value of equilibrium constant for the reaction at 25  ̊C.

a) 150

b) 9.3 x 1015

c) 8.4 x 104

d) 1.1 x 10–16

e) 1.4 x 108

Solution

Recall: The equilibrium constant (K) for any reaction is related to it's Gibb's free energy (ΔGrxn): [Eqn. 1]

The Gibb's free energy of a reaction is also related to its enthalpy and entropy: [Eqn. 2]

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