Write down the expression for standard free energy change in terms of equilibrium constant. State meaning of the symbols used.

Explanation

To derive the expression for standard free energy change in terms of the equilibrium constant, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Standard Free Energy Change**:
The standard free energy change (ΔG°) is a thermodynamic quantity that indicates the spontaneity of a reaction under standard conditions (1 bar pressure, 1 M concentration, and a specified temperature).

2. **Expression for Standard Free Energy Change**:
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