what is the formula to determine the mass of propane that must be combusted in order to produce 188.23kJ of energy?
chemistry - DrBob222, Saturday, August 11, 2012 at 1:50pm
You need the heat of combustion per mol of propane. Then
kJ/mol x mol = 188.23 kJ.
Solve for mol and convert that to grams. g = mols x molar mass.