The P-T graph as given below was observed for a process on an ideal gas, which of the following ...

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The P-T graph as given below was observed for a process on an ideal gas, which of the following statement is true?
(a) \( \mathrm{w}=+\mathrm{ve}, \Delta \mathrm{H}=+\mathrm{ve} \)
(b) \( \mathrm{w}=-\mathrm{ve}, \Delta \mathrm{H}=-\mathrm{ve} \)
(c) \( \mathrm{w}=-\mathrm{ve}, \Delta \mathrm{H}=+\mathrm{ve} \)
(d) \( \mathrm{w}=+\mathrm{ve}, \Delta \mathrm{H}=-\mathrm{ve} \)
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