what is the formula to calculate the amount of heat energy in KJ produced during combustion of 30kg of propane?
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E = mc?T.
E = Energy per mole of Propane (680 moles of propane in 30kg, so times final answer by 680.)
m = Mass of water heated.
c = Specific Heat Capacity of Water( = 4.18).
?T = Temperature Change (Final temp – Initial temp).
That works when heating water using a calorimeter . . .