Chemistry Practice Problems Hess's Law Practice Problems Solution: From the enthalpies of reaction2 H2(g) + O2(g) → 2...

Solution: From the enthalpies of reaction2 H2(g) + O2(g) → 2 H2O(g)          Δ = -483.6 kJ             3 O2(g) → 2 O3(g)            Δ = +284.6 kJcalculate the heat of the reaction3 H2(g) + O3(g) → 3 H2O(g)

Problem

From the enthalpies of reaction

2 H2(g) + O2(g) → 2 H2O(g)          Δ = -483.6 kJ
             3 O2(g) → 2 O3(g)            Δ = +284.6 kJ

calculate the heat of the reaction

3 H2(g) + O3(g) → 3 H2O(g)