A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter. In the laboratory a student burns a 0.320 g sample of heptadecanoic acid (C₁7H34O2) in a bomb calorimeter containing 1050 g of water. The temperature increases from 24.70°C to 27.10°C. The heat capacity of water is 4.184 J/(g. °C). The molar heat of combustion is -10620 kJ per mole of heptadecanoic acid. C17H34 O2 (s) + 49/2O2(g) → 17CO₂(g) + 17H₂O(l) + Energy Ignition wires Stirrer Thermometer

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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A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods.
Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter.
In the laboratory a student burns a 0.320 g sample of heptadecanoic acid (C17H34O2) in a bomb calorimeter containing 1050 g of water. The temperature increases from 24.70°C to
27.10°C. The heat capacity of water is 4.184 J/(g. °C).
The molar heat of combustion is -10620 kJ per mole of heptadecanoic acid.
C17H34 O2 (s) + 49/2O2(g) → 17CO₂ (g) + 17H₂O(l) + Energy
Ignition
wires
heat
sample
Water
Stirrer
Thermometer
Insulated Sample Burning Steel
outside dish
sample bomb
chamber
Combustion (bomb) calorimeter.
Calculate the heat capacity of the calorimeter.
Heat capacity=|
J/°C
Transcribed Image Text:A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter. In the laboratory a student burns a 0.320 g sample of heptadecanoic acid (C17H34O2) in a bomb calorimeter containing 1050 g of water. The temperature increases from 24.70°C to 27.10°C. The heat capacity of water is 4.184 J/(g. °C). The molar heat of combustion is -10620 kJ per mole of heptadecanoic acid. C17H34 O2 (s) + 49/2O2(g) → 17CO₂ (g) + 17H₂O(l) + Energy Ignition wires heat sample Water Stirrer Thermometer Insulated Sample Burning Steel outside dish sample bomb chamber Combustion (bomb) calorimeter. Calculate the heat capacity of the calorimeter. Heat capacity=| J/°C
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