The critical temperatures of NH3, He, O2, and N2 are 405.5K, 5.3K, 154.3K, and 126K respectively. If the samples of these gases are cooled from 298 K, which one will liquefy first?
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Answer:
NH3 with critical temperature 405.5K will liquefy first
Explanation:
The critical temperature signifies the force of attraction between the molecules. The higher the critical temperature, higher is the inter-molecular force of attraction and easier is the liquefaction of the gas.
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