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Q.

Select the correct option :

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a

As P (Pressure) is a state function. therefore P does not depend upon path

b

ΔU=(Q+W), is applicable for any process, in any system

c

12kT energy is associated with each degree of freedom in case of ideal gas

d

In an isolated system, heat transfer as well as mass transfer is not possible

answer is A.

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Detailed Solution

The heat transfer and mass transfer is impossible for the isolated system. (for example universe).

P (Pressure) is a state function. State function does not depends on the path.

Thus, change in pressure does not depend upon path.

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