In a closed insulated container, a liquid is stirred with a paddle to increase the temperature, which of the following is true?
Text Solution
Verified by ExpertsA
Internal energy depend upon temperature and according to first law of thermodynamics total energy of an isolated system remains same, i.e., in a system of constant mass, energy can neither be created nor destroyed by any physical or chemical change but can be transformed from one form to another.
For closed insulated container, 
, so, 
, as work is done by the system.
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