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Calculate the heat of combustion of ethane, in the reaction C2H6(g) + 3 1/2O2(g) → 2CO2(g) + 3H2O(l) where the heats of formation of ethane gas, carbon dioxide gas and water liquid are –84.7 kJ mol-1, -393.5 kJ mol-1 and –285.8 kJ mol-1 respectively.

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MCQs on thermodynamics terms and applications, calorimetry measurement, enthalpy change, enthalpies for reactions types, spontaneity, gibbs energy change and equilibrium.


Calculate the heat of combustion of ethane, in the reaction C<sub>2</sub>H<sub>6(g)</sub> + 3 1/2O<sub>2(g)</sub> → 2CO<sub>2(g)</sub> + 3H<sub>2</sub>O<sub>(l)</sub> where the heats of formation of ethane gas, carbon dioxide gas and water liquid are –84.7 kJ mol<sup>-1</sup>, -393.5 kJ mol<sup>-1</sup> and –285.8 kJ mol<sup>-1</sup> respectively.






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