1.

Containers `A` and `B` have same, gases. Pressure, volume and temperature of `A` are all twice that of `B`, then the ratio of number of molecules of `A` and `B` are

Answer» Correct Answer - B
According to gas law
`PV= nRT, n=(PV)/(RT)`
`(n_(A))/(n_(B))=((P_(1)V_(1))/(RT_(1)))/((P_(2)V_(2))/(RT_(2))),(n_(A))/(n_(B))=(P_(1)V_(1))/(T_(1))xx(T_(2))/(P_(2)V_(2))`
`(n_(A))/(n_(B))=(2Pxx2V)/(2T)xx(T)/(PV), (n_A)/(n_(B))=(2)/(1)`


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