All gases during throttling process at atmospheric temper... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?

Correct answer: B

Explanation

Throttling is an isenthalpic process. The cooling effect depends on the Joule-Thomson coefficient; H2 gas shows little or no temperature change.

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