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24 Nov 2021
Given information
The energy available for doing a useful work is known as Gibbs free energy. The free energy change of a reaction under nonstandard conditions is expressed by the relation,
At equilibrium, the value of is always equal in magnitude but opposite in sign to the value of . Therefore, the change in Gibbs free energy is equal to zero.
Step-by-step explanation
Step 1.
The value of is calculated by the formula,
Where,
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is the partial pressure of .
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is the partial pressure of .
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is the partial pressure of .
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