First slide
Gaseous state

X mL of H2 gas effuse through a hole in a container in 5 s. The time taken for the effusion of the same volume of the gas specified below under ideal conditions is


 (b) R1R2=t1Vt2=t2t1=M2M1

 (a) 105=42=2: false   (b) 205=322=4, true 

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