b) Combustion reaction In the same calorimeter, 1.04 g of benzoic acid were burnt completely (forming only CO2 and H2O) under oxygen atmosphere, which caused a temperature increase of 8.8 K. Formulate the stoichiometrically correct reaction equation, calculate the molar enthalpy of combustion AcHm and the molar enthalpy of formation AfHm of benzoic acid. AHH20=-286.4 kJ mol-1 A, Hoz =-393.509 kJ mol-1 A Ho₂ = 0 kJ mol-1 Benzoic acid C7H6O2 OH
b) Combustion reaction In the same calorimeter, 1.04 g of benzoic acid were burnt completely (forming only CO2 and H2O) under oxygen atmosphere, which caused a temperature increase of 8.8 K. Formulate the stoichiometrically correct reaction equation, calculate the molar enthalpy of combustion AcHm and the molar enthalpy of formation AfHm of benzoic acid. AHH20=-286.4 kJ mol-1 A, Hoz =-393.509 kJ mol-1 A Ho₂ = 0 kJ mol-1 Benzoic acid C7H6O2 OH
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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Question
![b)
Combustion reaction
In the same calorimeter, 1.04 g of benzoic acid were burnt completely (forming only
CO2 and H2O) under oxygen atmosphere, which caused a temperature increase of
8.8 K. Formulate the stoichiometrically correct reaction equation, calculate the molar
enthalpy of combustion AcHm and the molar enthalpy of formation AfHm of benzoic acid.
AHH20=-286.4 kJ mol-1
A, Hoz =-393.509 kJ mol-1
A Ho₂ = 0 kJ mol-1
Benzoic acid
C7H6O2
OH](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F238f5ccc-1069-4e49-b81e-1096d70e97c1%2F9e21eddc-70a9-4feb-99b9-917e3fa239db%2F0qklg0j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:b)
Combustion reaction
In the same calorimeter, 1.04 g of benzoic acid were burnt completely (forming only
CO2 and H2O) under oxygen atmosphere, which caused a temperature increase of
8.8 K. Formulate the stoichiometrically correct reaction equation, calculate the molar
enthalpy of combustion AcHm and the molar enthalpy of formation AfHm of benzoic acid.
AHH20=-286.4 kJ mol-1
A, Hoz =-393.509 kJ mol-1
A Ho₂ = 0 kJ mol-1
Benzoic acid
C7H6O2
OH
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