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How do you calculate the energy absorbed by the bomb calorimeter (qcal)

How do you calculate the energy absorbed by the bomb calorimeter (qcal)

Introduction to Chemical Engineering Thermodynamics
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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How do you calculate the energy absorbed by the bomb calorimeter (qcal)

Heat of Combustion: Chicken Fat Name 1. Fill the Data Table with your measurements and calculated values Data Table chicken fat in a bomb calorimeter mass of sample (g) 0.9975 moles of chicken fat in the sample (MW jat = 797.24 g/mol) initial temperature (°C) 1.25 x 103 25.006 final temperature (°C) 28.615 AT (°C) 3. 609 Calculations in the table O.99759 797.24 g/mol 1. 25 x 10 3 2. The solid chicken fat has the formula C51H88O6. Write the equation for the combustion reaction of one mole of C51H88O6 solid in excess oxygen gas, products are carbon dioxide gas and liquid water.(include phases) C51 H 86 O6 (s) + Ocg) -7 CO2cg) + H2oce) 3. Calculate the energy absorbed by the bomb calorimeter (qcal) in this experiment. This bomb calorimeter has a heat Capacity = 10.310 kJ/K. 3. cOC+ 273.15 E = MCAT 10.310 k3 376.76K 4. Calculate the heat of reaction per mole of chicken fat. C x AT O.9975 • 10.310 3.609 %3D 37.12 %3D 5. Is the calculated heat of reaction from question #3 solving for enthalpy, AH, or internal energy, AE? Explain your choice. heleased gy bec at eA the enet Enthalpy bsonbed
Transcribed Image Text:Heat of Combustion: Chicken Fat Name 1. Fill the Data Table with your measurements and calculated values Data Table chicken fat in a bomb calorimeter mass of sample (g) 0.9975 moles of chicken fat in the sample (MW jat = 797.24 g/mol) initial temperature (°C) 1.25 x 103 25.006 final temperature (°C) 28.615 AT (°C) 3. 609 Calculations in the table O.99759 797.24 g/mol 1. 25 x 10 3 2. The solid chicken fat has the formula C51H88O6. Write the equation for the combustion reaction of one mole of C51H88O6 solid in excess oxygen gas, products are carbon dioxide gas and liquid water.(include phases) C51 H 86 O6 (s) + Ocg) -7 CO2cg) + H2oce) 3. Calculate the energy absorbed by the bomb calorimeter (qcal) in this experiment. This bomb calorimeter has a heat Capacity = 10.310 kJ/K. 3. cOC+ 273.15 E = MCAT 10.310 k3 376.76K 4. Calculate the heat of reaction per mole of chicken fat. C x AT O.9975 • 10.310 3.609 %3D 37.12 %3D 5. Is the calculated heat of reaction from question #3 solving for enthalpy, AH, or internal energy, AE? Explain your choice. heleased gy bec at eA the enet Enthalpy bsonbed
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