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Given the Following ΔH° Values

Question 109

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Given the following ΔH° values
H2(g) + ½O2(g) → H2O(l) ΔH°f = -285.8 kJ
H2O2(l) → H2(g) + O2(g) ΔH°rxn = 187.6 kJ
calculate ΔH°rxn for the reaction H2O2(l) → H2O(l) + ½O2(g),

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