Enthalpy change in reaction

Chemistry Level 2

If 23 grams of ethanol, \(\ce{C2 H5OH}(l) \) is fully combusted, \(683.4\text{ kJ}\) of heat is generated. The thermochemical equation for this reaction is as follows:

\[ \ce{C2H5OH}(l) + 3\ce{O2}(g) \ce{->} 2\ce{CO2}(g) + 3\ce{H2O}(l) \]

Find the value of \(\Delta H\) in terms of \(\text{kJ/mol}\).

You are given that the molecular weight of \(\ce{C2 H5OH}(l) \) is 46.


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