Hess’s Law (Section)Calculate the enthalpy change for the

Chapter 3, Problem 63E

(choose chapter or problem)

Hess’s Law (Section)

Calculate the enthalpy change for the reaction

P4O6(s) + 2 O2(g) → P4O10(s)

given the following enthalpies of reaction:

P4(s) + 3 O2g→P4O6(s) ΔH = –1640.1 kJ

P4(s) + 5 O2g→P4O10(s) ΔH = –2940.1 kJ

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