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If for two gases of molecular weights MA...

If for two gases of molecular weights `M_A` and `M_B` at temperature `T_A` and `T_B`, `T_AM_(B) = T_B M_A` then which property has the same magnitude for both the gases?

A

Density

B

Pressure

C

KE per mole

D

`u_(rms)`

Text Solution

Verified by Experts

The correct Answer is:
D
`u_(rms)= sqrt((3RT)/(M)) , u_(rms) prop sqrt((T)/(M)) , (u_A)/(u_B) = sqrt((T_A)/(M_A) xx (M_B)/(T_B))`
As `T_A M_B = M_A T_B` , Thus `u_A= u_B`
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