Question

How can the gases be liquified?​

Answer 1

Explanation:

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Answer 2

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Explanation:

In general, gases can be liquefied by one of three general methods:(1) by compressing the gas at temperatures less than its critical temperature; (2) by making the gas do some kind of work against an external force, causing the gas to lose energy and change to the liquid state; and (3) by using the Joule-Thomson effect ...