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Chemistry
The P-T graph as given below was observed for a process of an ideal gas, which of the following statement is true? <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-pnvpjbpwjtwtwxjz.jpg />
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Q. The P-T graph as given below was observed for a process of an ideal gas, which of the following statement is true?
NTA Abhyas
NTA Abhyas 2022
A
$w=+ve,\Delta H=+ve$
B
$w=-ve,\Delta H=-ve$
C
$w=-ve,\Delta H=+ve$
D
$w=+ve,\Delta H=-ve$
Solution:
$V_{B}>V_{A} \, \, and \, \, T_{B}>T_{A}$
$\Delta H=nc_{p}\left(\right.T_{B}-T_{A}\left.\right)>0$
$w=-p_{e x t}\left(V_{B} - V_{A}\right) < 0$
