ClF (g) + F₂ (g) → ClF₃ (g)

Would you expect ΔS⁰_rxn for this reaction to be positive, negative or zero? Justify.

Question

ClF (g) + F₂ (g) → ClF₃ (g)

Would you expect ΔS⁰_rxn for this reaction to be positive, negative or zero? Justify.

| General Chemistry 3

Accepted Answer

ΔS⁰_rxn < 0

The disorder is decreasing: from 2 moles of gas to only 1 mole of gas

Exercise 1 | Entropy, Free Energy, and Equilibrium