2
Question
How does bomb calorimeter helps in measuring the internal energy of the system?
How does bomb calorimeter helps in measuring the internal energy of the system?
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Solution
A combustible substance is burnt in pure oxygen, supplied through the inlet in the bomb.The heat evolved during the combustion is then transferred to the water around the bomb and its temperature is monitored.
The bomb calorimeter is sealed so that.. ΔV = 0
and hence
Work done = 0
Energy changes associated with the reactions are measured at constant volume.
After the completion of the reaction, temperature change (ΔT) of the calorimeter is converted into qvby using the relation
q = CvΔT
Where, Cv is the heat capacity of the bomb calorimeter
A combustible substance is burnt in pure oxygen, supplied through the inlet in the bomb.The heat evolved during the combustion is then transferred to the water around the bomb and its temperature is monitored.
The bomb calorimeter is sealed so that.. ΔV = 0
and hence
Work done = 0
Energy changes associated with the reactions are measured at constant volume.
After the completion of the reaction, temperature change (ΔT) of the calorimeter is converted into qvby using the relation
q = CvΔT
Where, Cv is the heat capacity of the bomb calorimeter
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