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a gas stream having composition 75% methane and 25% hydrogen by volume leaks by effusing through a porous section of a pipe through which it is being pumped.Calculate the composition of the gas lost by leakage.

a gas stream having composition 75% methane and 25% hydrogen by volume leaks by effusing through a porous section of a pipe through which it is being pumped.Calculate the composition of the gas lost by leakage.

Grade:12

2 Answers

Swapnil Saxena
102 Points
10 years ago

The answer is 75% Hydrogen and 25% Methane (Rates of leakage is independent of the composition of the mixture). It only depends on the individual molecular weights of the gas.

Swapnil Saxena
102 Points
10 years ago

Sorry fr my incorrect response. Actually i didnt took their respective partial pressures in consideration.

The correct answer is 51% and 49% respectively.

This can be derived with the use of the grahams law of diffusion

r1/r2= (P1/P2)(root (M2/M1))

Where P1 and P2 r their respective partial pressures and M1 and M2 r their respective Molecular masses

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