26. Solving a chemistry problem
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26. Solving a chemistry problem
1. Determine the heat of combustion of alcohol C2H5OH 3O2 \u003d 2CO2 3H2O (l) Q
C O2=CO2 394 kJ/mol
H2 1/2O2=H2O(l) 285 kJ/mol
2C 3H2 1/2O2=C2H5OH 278.2 kJ/mol
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