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An ideal gas is taken from state "a" to state "b" along three paths labelled as 1, 2, and 3 shown in the image below. Which one of the
following is true when comparing the heat flow of each of the three paths?
2
3
а
V
Q1 > Q2 > Q3 > 0
Q3 > Q2 > Q1 > 0
0 > Q1 > Q2 > Q3
0 > Q3 > Q2 > Q1
not enough information to compare heat flow of the paths

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