MCQ
Joule-Thomson expansion is
- AIsobaric
- ✓Isoenthalpic
- CIsothermal
- DNone of these
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$\frac{2}{3} Al_2O_3 \rightarrow \frac{4}{3} Al + O_2,\,$ $\Delta G = +966\,kJ\,mol$
The potential difference needed for electrolytic reduction of $Al_2O_3$ at $500^o C$ is at least ...... $V$.

