AL CHEM=

2009-04-13 5:49 pm
Butane (m.p -138 ℃ ; b.p -0.5℃ ) can be readily liquefied .
Liquid butane ,supplied in steel cylinders, is uesd as a household
fuel under trade name LPG.

Explain why butane can be liquefied at room temperature.

回答 (1)

2009-04-14 3:31 pm
✔ 最佳答案
To liquefy butane at room temperature, all you have to do is add pressure to the container. However, I failed to find the phase diagram of butane nor the pressure required to liquefy it. Nevertheless, it is possible to do so with today's technology.

The following is a patent filed 1970 with the invention of gas liquefaction by using high pressure and low temperature.
http://www.freepatentsonline.com/3747359.html




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