The PT graph as given below was observed for a process of an ideal gas, which of the following statement is true :

w = + v e, Δ H = + v e

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w = - v e, Δ H = - v e

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w = - v e, Δ H = + v e

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w = + v e, Δ H = - v e

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Solution

The correct option is C $w = - v e, Δ H = + v e$
$V_{B} > V_{A} a n d T_{B} > T_{A}$
$Δ H = {n C}_{P} (T_{B} - T_{A}) > 0$
$w = {- P}_{e x t} (V_{B} - V_{A}) < 0$

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