C Cupcake11 New member Apr 19, 2009 #1 1.Using Hess’s Law, find the ΔH for the reaction below, given the following reactions and subsequent ΔH values: PCl5(g) → PCl3(g) + Cl2(g)ΔH = ? P4(s) + 6Cl2(g) → 4PCl3(g) ΔH = -2439 kJ 4PCl5(g) → P4(s) + 10Cl 2(g) ΔH = 3438 kJ
1.Using Hess’s Law, find the ΔH for the reaction below, given the following reactions and subsequent ΔH values: PCl5(g) → PCl3(g) + Cl2(g)ΔH = ? P4(s) + 6Cl2(g) → 4PCl3(g) ΔH = -2439 kJ 4PCl5(g) → P4(s) + 10Cl 2(g) ΔH = 3438 kJ
