I need some thermodynamics help. What mass of propane (C3H8 (g)) must be burned to supply 2775 kJ of heat? The standard enthalpy of combustion of propane at 298 K is -2220 kJ*mol-1.

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In order to produce the number of mass of propane needed we have to follow the steps. First divide the heat needed by the enthalpy of combustion of propane which...

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