Hess Law question

[Andre3k]

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How would you solve this?

Given the reactions below calculate dH for C6H5OH

Reactions
C6H5OH + 7O2 --> 6O2 + 3H2O____________dH= 729.8

C + O2 --> CO2_________________________dH= 94.4

2H2 + O2 --> 2H2O______________________dH= 136.8


Please help.

 

[Andre3k]

sorry this is actually not a hess law question