MCQ
When $2$ litre of ideal gas expands isothermally into vacuum to a total volume of $6$ litre, the change in internal energy is $..........\,J$. (Nearest integer)
- A$1$
- ✓$0$
- C$2$
- D$3$
and for isothermal process, $\Delta U =0$
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$2KCl{O_4}(s) \rightleftharpoons 2KCl(s) + 3{O_2}(g)$
If $\Delta {H^o} = 25\,kcal/mol$ and $\Delta {S^o} = 50\,cal/K$, at what temperature equilibrium will be established in the container. (Ignore variation of $\Delta {H^o}$ and $\Delta {S^o}$ with temperature.)......$K$