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Ethanol is a fuel that can be made from corn. How many kJ of heat energy are released when 3.00 kg of ethanol are burned?

C2H5OH(l) + 3O2(g) �¨ 2CO2(g) + 3H2O(g) H = -1406.8 kJ/mol

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so how many moles is 3kg of C2H5OH?

given that, heat = -1406.8* moles ethanol

1406.8 kJ/mol x mols ethanol = ??

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