a. Draw an enthalpy cycle to calculate the enthalpy change of formation of ethanol, C 2 H

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a. Draw an enthalpy cycle to calculate the enthalpy change of formation of ethanol, C₂H₅OH, using enthalpy changes of combustion.

b. Calculate a value for ΔH^ϴ_f[C₂H₅OH(l)] using the following data:

ΔH^ϴ_c[C(graphite)] = –393.5 kJ mol^–1

ΔH^ϴ_c[H₂(g)] = –285.8 kJ mol^–1

ΔH^ϴ_c[C₂H₅OH(l)] = –1367.3 kJ mol^–1

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Cambridge International AS And A Level Chemistry Coursebook

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Authors: Lawrie Ryan, Roger Norris

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Question Posted: Sep 17, 2021 02:39 AM

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a. Draw an enthalpy cycle to calculate the enthalpy change of formation of ethanol, C 2 H

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Combustion of Ethanol C2H5OH 302 2CO2 3H20 Formation of ethanol 2C 3H2 13 02 C2H5OH 302 a Le...View the full answer

Cambridge International AS And A Level Chemistry Coursebook

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