In an experiment, a 0.6629 g sample of phthalic acid ( C8H604) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.046 × 10³ g of water. During the combustion the temperature increases from 24.04 to 26.63 °C. The heat capacity of water is 4.184 J-g¹.C-¹. The heat capacity of the calorimeter was determined in a previous experiment to be 788.9 J. C-¹ Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of phthalic acid based on these data. C8 H6 O4(s) + (15/2) O2(g) → 3H₂O(l) + 8CO2 (g) + Energy kJ/mol Molar Heat of Combustion =

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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Insulated Sample Burning
outside
dish
sample
chamber
Steel
bomb
Combustion (bomb) calorimeter.
In an experiment, a 0.6629 g sample of phthalic acid (
C8H604) is burned completely in a bomb calorimeter. The calorimeter is surrounded by
1.046 x 10³ g of water. During the combustion the temperature increases from 24.04 to 26.63 °C.
The heat capacity of water is
4.184 J-g¹. C-¹.
The heat capacity of the calorimeter was determined in a previous experiment to be
788.9 J. ˚C-¹.
Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of
phthalic acid based on these data.
C8 H6 O4(s) + (15/2) O2(g) → 3H₂O(l) + 8CO2 (g) + Energy
kJ/mol
Molar Heat of Combustion =
Transcribed Image Text:Insulated Sample Burning outside dish sample chamber Steel bomb Combustion (bomb) calorimeter. In an experiment, a 0.6629 g sample of phthalic acid ( C8H604) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.046 x 10³ g of water. During the combustion the temperature increases from 24.04 to 26.63 °C. The heat capacity of water is 4.184 J-g¹. C-¹. The heat capacity of the calorimeter was determined in a previous experiment to be 788.9 J. ˚C-¹. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of phthalic acid based on these data. C8 H6 O4(s) + (15/2) O2(g) → 3H₂O(l) + 8CO2 (g) + Energy kJ/mol Molar Heat of Combustion =
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