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The formation enthalpy at room temperature for alkanes can be approximated as -(28.7+27.7 n) kJ/mol where n is the number of carbon atoms in the alkane. Calculate the standard enthalpy of combustion [in kJ/mol] for the 8 - carbon alkane using the formation enthalpies given in this problem statement. Because of the approximations we are using, your answer will not precisely match the literature value. The formation of enthalpy for H2O (1) = -286 kJ/mol and the formation enthalpy for CO2 (g) is -393.5 kJ/mol

The formation enthalpy at room temperature for alkanes can be approximated as -(28.7+27.7 n) kJ/mol where n is the number of carbon atoms in the alkane. Calculate the standard enthalpy of combustion [in kJ/mol] for the 8 - carbon alkane using the formation enthalpies given in this problem statement. Because of the approximations we are using, your answer will not precisely match the literature value. The formation of enthalpy for H2O (1) = -286 kJ/mol and the formation enthalpy for CO2 (g) is -393.5 kJ/mol

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.93E: Find the enthalpies of the combustion reactions for methane through n-octane. Plot them versus the...
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The formation enthalpy at room temperature for alkanes can be approximated as -(28.7 + 27.7 n) kJ/mol where n is the number of carbon atoms in the alkane. Calculate the standard enthalpy of combustion [in kJ/mol] for the 8 - carbon alkane using the formation enthalpies given in this problem statement. Because of the approximations we are using, your answer will not precisely match the literature value. The formation of enthalpy for H2O (1) = -286 kJ/mol and the formation enthalpy for CO2 (g) is -393.5 kJ/mol
Transcribed Image Text:The formation enthalpy at room temperature for alkanes can be approximated as -(28.7 + 27.7 n) kJ/mol where n is the number of carbon atoms in the alkane. Calculate the standard enthalpy of combustion [in kJ/mol] for the 8 - carbon alkane using the formation enthalpies given in this problem statement. Because of the approximations we are using, your answer will not precisely match the literature value. The formation of enthalpy for H2O (1) = -286 kJ/mol and the formation enthalpy for CO2 (g) is -393.5 kJ/mol
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