Free expansion: its properties

1. A.
   It is an instantaneous change.
2. B.
   The system is not in thermodynamic equilibrium.
3. C.
   Free expansion can be plotted on a P-V diagram.
4. D.
   It is an uncontrolled change.

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1. A.
   Free expansions are adiabatic expansions and there is no exchange of heat between system and environment.
2. B.
   A free expansion can be plotted on a p-V diagram.
3. C.
   There is no work done on the system or by the system.
4. D.
   It is an instantaneous change and the system is not in thermodynamic equilibrium.

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1. A.
   an isothermal expansion.
2. B.
   a free expansion
3. C.
   an adiabatic expansion
4. D.
   an isobaric expansion

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