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Give examples of three processes in which the change in internal energy of the system is zero.

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(1) The change in intenral energy of any cyclic process is zero. (2) The change in internal energy of an ideal gas during isothermal expansion or compression is zero. (3) In adiabatic free expansion of an ideal gas, the change in internal energy is equal to zero.
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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-QUESTION ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
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