010. Solving a chemistry problem

010. Solving a chemistry problem

1. Combustion of formaldehyde proceeds according to the equation:
HCHO O2 = CO2 H2O(g) 561 kJ
Calculate the heat of formation of formaldehyde if the heat of formation of CO2 is 393.6 kJ/mol and the heat of formation of water is 242 kJ/mol.

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