MCQ
The cooling in refrigerator is due to
- AReaction of the refrigerator gas
- BExpansion of ice
- ✓The expansion of the gas in the refrigerator
- DThe work of the compressor
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$56\ g$ of nitrogen and $8\ g$ of hydrogen gas are heated in a closed vessel. At equilibrium, $34\ g$ of ammonia are present. The equilibrium number of moles of nitrogen, hydrogen and ammonia are respectively