# Chemistry

If the heat of combustion for a specific compound is -1250.0 kJ/mol and its molar mass is 35.39 g/mol, how many grams of this compound must you burn to release 352.40 kJ of heat?

1. 1250.0 kJ/mol x # mol = 352.40 kJ
Solve for # mols.
Then mol = grams/molar mass. You know mols and molar mass, solve for grams.

posted by DrBob222

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