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Write the equation for the formation of liquid acetone (C3H6O).

Write thermochemical equations for the combustion of one mole each of hydrogen, carbon, and acetone, given that their molar enthalpies of combustion are -285.8 kJ/mol, -393.5 kJ/mol, and -1748 kJ/mol, respectively.

Use Hess’ law and the three combustion reactions to calculate the formation of acetone.