Question

for the reaction below, 2li + f₂ → 2li⁺ + 2f⁻ δg° = -1140 kj what describes the thermodynamic favorability of the reaction? the reaction has unknown thermodynamic favorability. the reaction is not thermodynamically favorable. the reaction is thermodynamically favorable.

Explanation:

To determine the thermodynamic favorability of a reaction, we use the standard Gibbs free energy change ($\Delta G^\circ$). The sign of $\Delta G^\circ$ indicates the spontaneity (thermodynamic favorability) of a reaction at standard conditions:

• If $\Delta G^\circ < 0$, the reaction is thermodynamically favorable (spontaneous) because it releases free energy and can proceed without the continuous input of external energy.
• If $\Delta G^\circ > 0$, the reaction is not thermodynamically favorable (non - spontaneous) as it requires energy input to proceed.
• If $\Delta G^\circ = 0$, the reaction is at equilibrium.

In the given reaction, $\Delta G^\circ=- 1140\space kJ$. Since $- 1140\space kJ<0$, the reaction is thermodynamically favorable.

Answer:

The reaction is thermodynamically favorable.