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Chemistry
A liquid is stirred with a paddle to increase its temperature in a closed insulated container. Which of the following is true in this process?
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Q. A liquid is stirred with a paddle to increase its temperature in a closed insulated container. Which of the following is true in this process?
NTA Abhyas
NTA Abhyas 2022
A
$\Delta E=W=Q=0$
B
$\Delta E=W\neq 0,Q=0$
C
$\Delta E\neq 0,Q=W=0$
D
$\Delta E=Q\neq 0,W=0$
Solution:
As the system is closed and insulated, no heat enter or leave the system, i.e. $q=0$ ; $\therefore \Delta E=Q+W=W$ .