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Question

A given mass of gas expands from the state 'A' to state 'B' by three paths $$1, 2$$ and $$3$$ as shown in the figure. If $$w_1, w_2$$ and $$w_3$$ respectively work done by the gas along the paths then:
1035471_44f61de2b88b4c3bb7767dceb650648d.jpg


A
w1>w2>w3
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B
w1<w2<w3
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C
w1=w2=w3
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D
w2<w3<w1
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Solution

The correct option is B $$w_1 < w_2 < w_3$$
In The given graph, More the area below the path followed , More is the work done Therefore, In the P-V Graph The area under path 3 is more than 2 which is more than 1. Therefore Option B is correct W1 < W2 < W3.

Chemistry

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