Chemistry Practice Problems Hess's Law Practice Problems Solution: Calculate the enthalpy change for the reaction: P4...

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Solution: Calculate the enthalpy change for the reaction: P4O6(s) + 2 O2(g) → P4O10(s), given the following enthalpies of reaction:P4(s) + 3 O2(g) → P4O6(s), ΔH = –1640.1 kJP4(s) + 5O2(g) → P4O10(s), ΔH = –2940.1 kJ

Problem

Calculate the enthalpy change for the reaction: P4O6(s) + 2 O2(g) → P4O10(s), given the following enthalpies of reaction:
P4(s) + 3 O2(g) → P4O6(s), ΔH = –1640.1 kJ
P4(s) + 5O2(g) → P4O10(s), ΔH = –2940.1 kJ