Indicate whether the following statements are true or false for a reversible process: (a) q=0. (b) work may be calculated using the equation of state. (c) the entropy change of the system is zero. (d) the total entropy change of the system and the surroundings is zero.

A).False

B).False

C).False

D).True

Explanation:

As we know that ,when system and surrounding return in initial position without leaving any effect on the surrounding then it is called reversible process.

Option A is false because this is not a adiabatic process.

Option B we know that work is path function and it depends on the path even process is reversible or irreversible.That is why option B is false.

Option C is false because we can not say that entropy change of system is zero.The entropy of system can be increase or decrease we can not say anything.

Option D is true because the entropy of universe is always zero for a reversible process.Universe is the summation of surrounding and system.

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