when a van der waals' gas undergoes free expanssion,then its temp.
a) decreases b) increases c) does not cange d) depends upon a nature of the gas

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Solution

When a vander waal gas undergoes free expansion, then its temperature:
(d) depends on the nature of the gas.
i.e. it depends on the initial temperature and pressure of the gas.

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when a van der waals' gas undergoes free expanssion,then its temp.a) decreases b) increases c) does not cange d) depends upon a nature of the gas

When a vander waal gas undergoes free expansion, then its temperature: (d) depends on the nature of the gas. i.e. it depends on the initial temperature and pressure of the gas.

when a van der waals' gas undergoes free expanssion,then its temp.
a) decreases b) increases c) does not cange d) depends upon a nature of the gas

When a vander waal gas undergoes free expansion, then its temperature:
(d) depends on the nature of the gas.
i.e. it depends on the initial temperature and pressure of the gas.