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AP EAMCET202018 Sep 2020Evening ShiftChemistryThermodynamics (C)Actual

For an isothermal and free expansion of an ideal gas, which of the following is true? 1. For an adiabatic change, heat ((q) ) is non zero. 2. For an adiabatic change, heat ((q) ) is zero. 3. For an isothermal reversible change, heat (q) is zero. 4. For an isothermal process, the temperature changes.

Options

  1. A1
  2. B2
  3. C3
  4. D4

Correct answer

B. 2

Step-by-step solution

For an isothermal and free expansion of an ideal gas, So, the statement (2) is correct.

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