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?

Question

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?, Δ E = W = Q = 0, Δ E = W ≠ 0 , Q = 0, Δ E ≠ 0 , Q = W = 0, Δ E = Q ≠ 0 , W = 0

MARKS App · Accepted Answer

As the system is closed and insulated no heat enter or leave the system, i.e. q = 0 ; ∴ Δ E = Q + W = W .

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