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state the joul thomson effect

Asked by Bharath Mazumdar 15th March 2013, 7:16 PM
Answered by Expert
Temperature of ideal gas will not be changed when it is repressed to a lower pressure, but when real gases are repressed to a lower pressure, a lower or higher temperature change appears under high pressures. The temperature change which appears at real gas expansion in a system into which energy is not brought is called Joule-Thomsons effect. It was determined that when air is repressed by 1 bar, its temperature drops by 0.25 C. That minute effect is completely irrelevant for most technical processes, but is also used in gas liquefying procedure.
Answered by Expert 16th March 2013, 5:47 AM
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