MCQ
The correct relationship is
- A$\Delta H + P\Delta V = \Delta V$
- ✓$\Delta H - \Delta nRT = \Delta E$
- C$\Delta E + \Delta nRT = \Delta P$
- DNone of these
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$CO + \frac{1}{2}{O_2} \to C{O_2};\,\Delta H = Y$
Then the heat of formation of $CO$ is
[Assume steam to be an ideal gas. Given $A _{ vap } H ^{\ominus}$ for water at $373 \,K$ and $1\, bar$ is $41.1 \,kJ\, mol ^{-1} ; R =$ 8.31 $J\,K ^{-1} \,mol ^{-1}$ ]