MCQ
Which of the following is an extensive property?
- ATemperature.
- BDensity.
- ✓Gibbs free energy.
- DMolar volume.
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$\mathrm{Fe}_2 \mathrm{O}_{3(\mathrm{~s})}+3 \mathrm{CO}_{(\mathrm{g})} \rightleftharpoons \mathrm{Fe}_{(1)}+3 \mathrm{CO}_{2(\mathrm{~g})}$
Using the Le-chatelier's principle, predict which one of the following will not disturb the equilibrium.
$Zn\left( s \right) + C{u^{2 + }}\left( {aq} \right) \rightleftharpoons Z{n^{2 + }}\left( {aq} \right) + Cu\left( s \right)$
Standard reaction enthalpy $\left( {{\Delta _r}{H^ - }} \right)$ ....... $\mathrm{kJ}$