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What mass of ethanol (CH3CH2OH) must burn to produce 100kJ of energy? CH4CH2OH(g) + 3 O2(g) 2 CO2(g) + 3 H2O(g) Horxn= -1277.6 kJ/mol it

What mass of ethanol (CH3CH2OH) must burn to produce 100kJ of energy?

CH4CH2OH(g) + 3 O2(g) 2 CO2(g) + 3 H2O(g)

Horxn= -1277.6 kJ/mol

it is 4. as the equation states.

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