A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels Ignition wires Thermometer Stirrer heat and the energy content of foods. sample In an experiment, a 1.3070 g sample of L-ascorbic acid (CH3O6) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.236×10° g of water. During the combustion the temperature increases from 25.00 to 27.84 °C. The heat capacity of water is 4.184 J glºC¯'. Water The heat capacity of the calorimeter was determined in a previous experiment to be 754.3 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of L-ascorbic acid based on these data. Insulated Sample dish Burning sample Steel bomb C6H§O6(s) + 502(g) → 4 H2O(1) + 6 CO2(g) + Energy outside chamber Molar Heat of Combustion = kJ/mol Combustion (bomb) calorimeter.

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 a constant volume calorimeter, is a
device often used to determine the heat of combustion of fuels
Ignition
wires
heat
sample
Thermometer
Stirrer
and the energy content of foods.
In an experiment, a 1.3070 g sample of L-ascorbic acid
(C,HgO6) is burned completely in a bomb calorimeter. The
calorimeter is surrounded by 1.236×10° g of water. During the
combustion the temperature increases from 25.00 to 27.84 °C.
Water
The heat capacity of water is 4.184 J g¯lºC.
The heat capacity of the calorimeter was determined in a
previous experiment to be 754.3 J/°C.
Assuming that no energy is lost to the surroundings, calculate
the molar heat of combustion of L-ascorbic acid based on
these data.
Insulated
outside
chamber
Sample
dish
Burning
sample
Steel
bomb
C,H8O6(s) + 5O2(g) → 4 H2O(I) + 6 CO2(g) + Energy
Molar Heat of Combustion =
kJ/mol
Combustion (bomb) calorimeter.
Transcribed Image Text:A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels Ignition wires heat sample Thermometer Stirrer and the energy content of foods. In an experiment, a 1.3070 g sample of L-ascorbic acid (C,HgO6) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.236×10° g of water. During the combustion the temperature increases from 25.00 to 27.84 °C. Water The heat capacity of water is 4.184 J g¯lºC. The heat capacity of the calorimeter was determined in a previous experiment to be 754.3 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of L-ascorbic acid based on these data. Insulated outside chamber Sample dish Burning sample Steel bomb C,H8O6(s) + 5O2(g) → 4 H2O(I) + 6 CO2(g) + Energy Molar Heat of Combustion = kJ/mol Combustion (bomb) calorimeter.
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