Predict the relationship between ΔU and ΔH for the following reactions: (i) S(s) + O2(g) → SO2(g) (ii) PCl5(g) → PCl3 (g) + Cl2(g)
Predict the relationship between ΔU and ΔH for the following reactions:
(i) S(s) + O2(g) → SO2(g)
(ii) PCl5(g) → PCl3 (g) + Cl2(g)
5 views
1 Answers
(i) Δng = 0 Therefore , ΔU = ΔH + Δng RT , ΔU = ΔH
(i) Δng = 1 Therefore , ΔU = ΔH + Δng RT , ΔU > ΔH.
5 views
Answered