First slide

laws

Question

Two vessels A and B having equal volume contain equal masses of hydrogen in A and helium in B at 300 K. Then mark the correct statement

Moderate

A

the pressure exerted by hydrogen is half that exerted by helium
B

the pressure exerted by hydrogen is equal to that exerted by helium
C

average KE of the molecules of hydrogen is half the average KE of the molecules of helium
D

the pressure exerted by hydrogen is twice that exerted by helium

Solution

$P V = n R T = \frac{m}{M_{0}} R T h e r e V s a m e m s a m e s o p r e s s u r e i s i n v e r s e l y p r o p o r t i o n a l t o m o l e c u l a r w e i g h t$

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