MCQ
Which expression is correct for the work done in adiabatic reversible expansion of an ideal gas
- A$W = nRT\ln \frac{{{V_2}}}{{{V_1}}}$
- ✓$W = P\Delta V$
- C$W = {n_e}\ln \frac{{{T_2}}}{{{T_1}}}$
- D$W = - \int_{\,1}^{\,2} {PdV} $
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$2 Fe ^{2+}+ H _{2} O _{2} \rightarrow x A + y B$
(in basic medium)
$2 MnO _{4}^{-}+6 H ^{+}+5 H _{2} O _{2} \rightarrow x ^{\prime} C + y ^{\prime} D + z ^{\prime} E$
(in acidic medium)
The sum of the stoichiometric coefficients $x , y , x ^{\prime}, y ^{\prime}$ and $z ^{\prime}$ for products $A , B , C , D$ and $E ,$ respectively, is............
