Sunday, December 27, 2009

What is the effect of a decrease in the partial pressure gradient on the diffusion rate of a gas?

In other words, will the diffusion rate of gas increase or decrease?What is the effect of a decrease in the partial pressure gradient on the diffusion rate of a gas?
Think of the gradient like a hill. It's not the height of the hill, it's the slope. The bigger the difference in pressure, the faster it will diffuse at first. The rate will slow down as the pressures equilibrate. So if thetwo sides are at 10 atm vs 2 atm, it will go faster at first than 3 atm and 2.8 atm if I remember correctly, and I think I do.What is the effect of a decrease in the partial pressure gradient on the diffusion rate of a gas?
Not sure it makes any difference. Did you just fart?

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