If the heat of combustion for a specific compound is -1500.0 kJ/mol and its molar mass is 75.47 g/mol, how many grams of this compound must you burn to release 769.90 kJ of heat?
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Expert's answer
2015-10-08T04:16:20-0400
1 mole : 1500 kJ = x mol : 769.90 kJ mol = 0.513 mass = 0.513 mol x 75.47 g/mol=38.7g
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