Gases possess characteristic critical tempera | vedclass

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(A) The critical temperature $(T_c)$ is the temperature above which a gas cannot be liquefied,no matter how much pressure is applied. When cooling a g

Vedclass · Accepted Answer

Ammonia

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(A) The critical temperature $(T_c)$ is the temperature above which a gas cannot be liquefied,no matter how much pressure is applied. When cooling a gas from $500 \ K$,the gas that reaches its critical temperature first will start to liquefy. Since the critical temperature of ammonia $(405.5 \ K)$ is higher than that of carbon dioxide $(304.10 \ K)$,ammonia will reach its critical temperature first during the cooling process. Therefore,ammonia will liquefy first.

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