Identify the correct statements from the following. (I) For adiabatic process, $\Delta U=W_{ ext {adiabatic }}$ (II) Work is path function. (III) Volume is an extensive property.

Question

Identify the correct statements from the following. (I) For adiabatic process, $\Delta U=W_{	ext {adiabatic }}$ (II) Work is path function. (III) Volume is an extensive property.

Aicharya · Accepted Answer

From first law, $\Delta U=q+W$ For adiabatic process, $q=0$ $ \Delta U=W $ Work is path function. Consider the $p V$ curve shown below. To reach from initial state 1 to final state 2 , the area under the curve when path $A$ is taken is more than the area under the curve when path $B$ is taken. So, work done is more when path $A$ is adopted. An extensive property is a property that depends on the amount of matter in a sample. Mass and volume are examples of extensive properties. Hence, statement I, II and III are correct

Identify the correct statements from the following. (I) For adiabatic process, $\Delta U=W_{\text {adiabatic…

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