| अभिक्रिया | $\Delta H \ (kJ)$ |
|---|---|
| $(i) \ 4NH_{3(g)} + 5O_{2(g)} \to 4NO_{(g)} + 6H_2O_{(l)}$ | $-904$ |
| $(ii) \ 2NO_{(g)} + O_{2(g)} \to 2NO_{2(g)}$ | $-112$ |
| $(iii) \ 3NO_{2(g)} + H_2O_{(l)} \to 2HNO_{3(aq)} + NO_{(g)}$ | $-140$ |
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| सूची-$I$ (समतापीय प्रक्रम) | सूची-$II$ (व्यंजक) |
| $A$. उत्क्रमणीय प्रसार | $I$. $q = 0$ |
| $B$. मुक्त प्रसार | $II$. $q = nRT ln \frac{V_2}{V_1}$ |
| $C$. अनुत्क्रमणीय संपीड़न | $III$. $w = -P_{ext}(V_1 - V_2)$ |
| $D$. चक्रीय उत्क्रमणीय | $IV$. $\frac{q_{rev}}{T} = 0$ |
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