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Why do H2 and He show heating instead of cooling in Joule-Thomson expression?

Why do H2 and He show heating instead of cooling in Joule-Thomson expression?

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
At room temperature, all gases except hydrogen, helium and neon cool upon expansion by the Joule–Thomson process; these three gases experience the same effect but only at lower temperatures

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