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? asked in Science & MathematicsChemistry · 5 years ago

Enthalpy of Reaction?! Chem help! 10pts~?

What mass of propane gas (C3H8) must be burned under constant pressure to supply 2775 kJ of heat? The standard enthalpy of combustion of propane at 298 K is -2220 kJ/mol.

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  • Roger the Mole
    Lv 7
    5 years ago

    (2775 kJ) / (2220 kJ/mol) x (44.0956 g C3H8/mol) = 55.12 g C3H8

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