Chemistry · 2008
NEET 2008 · Prelims · Code A · Q67
Standard free energies of formation (in kJ/mol) at 298 K are -237.2, -394.4 and -8.2 for H_2 O (l), CO_2( g ) and pentane (g), respectively. The…
Standard free energies of formation (in kJ/mol) at $\displaystyle 298$ K are -$\displaystyle 237.2$, -$\displaystyle 394.4$ and -$\displaystyle 8.2$ for $\displaystyle \mathrm{H}_2 \mathrm{O}(l), \mathrm{CO}_2(\mathrm{~g})$ and pentane (g), respectively. The value of $\displaystyle \mathrm{E}_{\text {cell }}^{\circ}$ for the pentane-oxygen fuel cell is :
Official answer
(4)
1.$\displaystyle 0968$ V
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