When rate of diffusion (), pressure (), and molecular mass () are considered, the ratio of the rates of diffusion of two gases A and B () under different initial pressures but identical temperatures i

Question

When rate of diffusion ($r$), pressure ($P$), and molecular mass ($M$) are considered, the ratio of the rates of diffusion of two gases A and B ($r_A/r_B$) under different initial pressures but identical temperatures is mathematically given by which expression?

Prashant Kotian · Accepted Answer

Correct answer: B. According to the general form of Graham's Law of Effusion, the rate of effusion at constant temperature and orifice area. Therefore, comparing two gases A and B gives .

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