CBSE Class 11-science Answered
Describe the construction and working of a bomb calorimeter.
Asked by Topperlearning User | 15 Jun, 2016, 05:21: PM
Expert Answer
Construction of a bomb calorimeter - A bomb calorimeter is a steel vessel which is coated from inside with gold or platinum to avoid oxidation of steel during the chemical reactions. The vessel is fitted with a tight screw cap and it contains two electrodes R1 and R2
Working - The small amount of substance under investigation is taken in a platinum cap. The vessel is filled with excess of oxygen at a pressure of 20 to 25 atmospheres and then sealed. This apparatus is dipped in an insulated water bath which is provided with a mechanical stirrer and a thermometer. The initial temperature is noted and the final temperature is recorded from the thermometer in the water bath. The heat combustion at constant volume can be calculated by
Answered by | 15 Jun, 2016, 07:21: PM
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