Question

7.
To what temperature should the hydrogen at
327°C be cooled at constant pressure, so that
the root mean square velocity of its molecules
become half of its previous value ?
1)-123°C 2) 23°C 3) -100°C 4) 0°C

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Answer 1

heya !!

The answer is===》-123° c

Answer 2

so 1)-123°C is the answer

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