- ✓$50.3$
- B$225.5$
- C$300$
- D$275.5$
$\Delta \mathrm{E}=\mathrm{n} \mathrm{C}_{\mathrm{V}} \Delta_{\mathrm{T}}=1 \times 5.03 \times 10 \Rightarrow \Delta \mathrm{E}=50.3\, \mathrm{cal}$
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$N{O_{\left( g \right)}} + \frac{1}{2}{O_2}_{\left( g \right)} \rightleftharpoons N{O_2}_{\left( g \right)}$
Given : $\Delta G^o_f (NO_2) = 52.0\, KJ/mole$
$\Delta G^o_f (NO) = 87.0\, KJ/mole$
$\Delta G^o_f (O_2) = 0\, KJ/mole$

$C{H_2} = C{H_2}\xrightarrow[{oxid}]{{Hypochloro}}$ $M\xrightarrow{R}\begin{array}{*{20}{c}}
{C{H_2} - OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_2} - OH}
\end{array}$
Where $M$ = molecule; $R$ = reagent $M$ and $R$ are