Problem: Calculate ΔH°rxn for the following reaction and indicate whether it is exothermic or endothermic.2H2 O2 (l) →2H2 O(l) + O2 (g)Given that ΔH°f[H2 O(l)] = -285.8 kJ/mol and ΔH°f[H2 O2 (l)] = -187.6 kJ/mol.______________________________

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Calculate ΔH°rxn for the following reaction and indicate whether it is exothermic or endothermic.

2HO2 (l) →2H2 O(l) + O2 (g)

Given that ΔH°f[H2 O(l)] = -285.8 kJ/mol and ΔH°f[H2 O2 (l)] = -187.6 kJ/mol.

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