Which of the following statements is correct | vedclass

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Question

(B) Internal energy is a state function that depends only on the state of the system,not on the path taken. Similarly,entropy is also a state function

Vedclass · Accepted Answer

Internal energy and entropy are state functions

Vedclass · Answer

(B) Internal energy is a state function that depends only on the state of the system,not on the path taken. Similarly,entropy is also a state function.In an isothermal process,the internal energy of an ideal gas remains constant,so $\Delta U = 0$.For a reversible adiabatic process,the change in entropy $\Delta S$ is zero.Work done in an adiabatic process is given by $W = -\Delta U$,which is generally non-zero.Therefore,the statement that internal energy and entropy are state functions is the only correct statement.

Which of the following statements is correct for any thermodynamic system?

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