6-5: Bomb Calorimetry
Chapter 6-5

Dr. Robert Belford & Rebekah Reinhart




Question 1
2.83 grams of benzene, C6H6, were combusted in a bomb calorimeter whose heat capacity was 9.76 kJ/oC. The temperature rose from 25.00oC to 39.43oC. Calculate the total heat of the reaction.
(A)  -141kJ
(B)  141kJ
(C)  3.89*103kJ
(D)  NOTA
 
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Question 2
2.83 grams of benzene, C6H6, were combusted in a bomb calorimeter whose heat capacity was 9.76 kJ/oC. The temperature rose from 25.00oC to 39.43oC. Calculate the total heat of the reaction per mole of benzene.
(A)  -141kJ/mol
(B)  -3.89*103kJ/mol
(C)  141kJ/mol
(D)  NOTA
 
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Question 3
4.86 grams of benzene, C6H6, were combusted in a bomb calorimeter whose specific heat was 10.15 kJ/oC. The initial bomb calorimeter temperature was 25.00oC. The heat of the reaction was 4.75*103 kJ/mol. Calculate the final temperature of the bomb calorimeter.
(A)  54.1oC
(B)  25.0oC
(C)  36.2oC
(D)  NOTA
 
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Question 4
Calculate the heat capacity of a bomb calorimeter in which the heat of the reaction was -259 kJ and a temperature change of 15.32oC was observed.
(A)  -15.3kJ/oC
(B)  -36.2kJ/oC
(C)  -16.9kJ/oC
(D)  NOTA
 
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Question 5
1.79 grams of acetic acid, HC2H3O2, were combusted in a bomb calorimeter whose heat capacity was 11.39kJ/oC. The temperature rose from 24.5oC to 29.1oC. Calculate the total heat of the reaction per gram of acetic acid.
(A)  52.4kJ/g
(B)  29.3kJ/g
(C)  41.6kJ/g
(D)  NOTA
 
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