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The complete combustion of 2.500 g of cinnamaldehyde (C9H8O, 132.16 g/mol), which is a component in cinnamon, produces an increase in temperature of 26.65C in a bomb calorimeter (Ccal 3.640 kJ/C). What is the molar enthalpy of combustion of cinnamaldehyde in kJ/mol?
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