A system goes from A to B via two processes I | vedclass

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(B) Internal energy $(U)$ is a state function. This means that the change in internal energy $(\Delta U)$ depends only on the initial and final states

Vedclass · Accepted Answer

$\Delta U_1 = \Delta U_2$

Vedclass · Answer

(B) Internal energy $(U)$ is a state function. This means that the change in internal energy $(\Delta U)$ depends only on the initial and final states of the system,not on the path taken to reach the final state from the initial state. In this problem,both processes $I$ and $II$ start from state $A$ and end at state $B$. Therefore,the change in internal energy for both processes must be the same. Hence,$\Delta U_1 = \Delta U_2$.

$A$ system goes from $A$ to $B$ via two processes $I$ and $II$ as shown in the figure. If $\Delta U_1$ and $\Delta U_2$ are the changes in internal energies in the processes $I$ and $II$ respectively,then:

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