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Calculate the Enthalpy Change for the Reaction

Calculate the enthalpy change for the reaction
P4O6+2O2 --> P4O10

given the following enthalpies of reaction:

P4+3O2 --> P4O6 Delta H= -1640.1
P4+5O2 --> P4O10 Delta H= -2940.1

Solution Preview

The first thing we want to do is to reverse the first reaction and make it,

P4O6 ---> P4+3O2 Delta H= 1640.1

Notice that we had to ...

Solution Summary

The solution calculates the enthalpy change for the reaction.