1.

To what temperature should the hydrogen at room temperature (27^(@)C) be heahted at constant perssure so that the RMS velocity of iths molecules becomes double its previous value?

Answer»

`1200^(@)C`
`927^(@)C`
`600^(@)C`
`108^(@)C`

Solution :`nu_(rms)=SQRT((3RT)/M)impliesnu_(rms)/nu_(rms)=sqrt(T^(.)/T)IMPLIES(273+t^(.))/(273+27)=(2)^(2)=4,t^(.)=927^(@)C`


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