4. The right figure shows a simple combustion calorimeter. The sample is ignited electrically. After a few minutes the temperature of the water and calorimeter is constant at AT higher than the starting temperature. Determine the heat of combustion of a sample from the following data: Sample mass Calorimeter mass Water mass 4 g 500 g 5000 g The heat of combustion is defined as Au combustion - Sample Cvcalorimeter Cvwater Ufinal products of combustion msample AT Stirrer Oxygen Water Thermometer Uinitial fuel+oxygen Heavy steel bomb 0.12 cal/g °C 1.0 cal/g °C 5 °C
4. The right figure shows a simple combustion calorimeter. The sample is ignited electrically. After a few minutes the temperature of the water and calorimeter is constant at AT higher than the starting temperature. Determine the heat of combustion of a sample from the following data: Sample mass Calorimeter mass Water mass 4 g 500 g 5000 g The heat of combustion is defined as Au combustion - Sample Cvcalorimeter Cvwater Ufinal products of combustion msample AT Stirrer Oxygen Water Thermometer Uinitial fuel+oxygen Heavy steel bomb 0.12 cal/g °C 1.0 cal/g °C 5 °C
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
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:4. The right figure shows a simple combustion
calorimeter. The sample is ignited electrically.
After a few minutes the temperature of the
water and calorimeter is constant at AT higher
than the starting temperature. Determine the
heat of combustion of a sample from the
following data:
Sample mass
Calorimeter mass
Water mass
4 g
500 g
5000 g
The heat of combustion is defined as
=
Sample
Inlet
0
75
400
Temperature °F 70.0
Cvcalorimeter
Cywater
Ufinal products of combustion
Pressure, psig
Elevation, ft
Velocity, ft/s
AT
Stirrer
Uinitial fuel+oxygen
Au combustion
msample
5. A steady-flow water power plant has the following inlet and outlet conditions:
Oxygen
Outet
0
0
50
70.1
Water
Thermometer
Heavy
steel bomb
0.12 cal/g °C
1.0 cal/g °C
5 °C
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