P=(n/v)RT
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P=(n/v)RT
I see that there is the equation P= (n/v)RT which is connected to PV=nRT but why is it that V (volume) is not divided by the whole nRT? Since its only dividing by n (number of moles).
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Re: P=(n/v)RT
n/V is also a way of writing molarity since its units are mols/L. This is nice for understanding how you can use the ideal gas equation to determine Kc as well I believe.
Re: P=(n/v)RT
You can get the same answer either way you write it but using P=(n/V)RT makes it easier when you need to convert between the concentration and partial pressure of a compound.
Re: P=(n/v)RT
I believe this depends on your given values and what you are trying to find.The equation is rearranged to find Kc. (P=nRT/V = n/V x RT = conc x RT)
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Re: P=(n/v)RT
V is also divided by PRT :) it's just typed (n/V)RT for it be easily seen as concentration * RT. (nRT)/V means the same thing
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Re: P=(n/v)RT
n/V is how concentration is calculated and the derived equation includes concentration. I believe it is written that way to show that it means concentration.
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Re: P=(n/v)RT
Ruby Richter 2L wrote:So basically you're just multiplying the molarity times RT which gives you P?
Yea that's all you're doing.
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Re: P=(n/v)RT
You can use this equation to calculate for concentration, given that concentration is calculated by dividing moles by volume (n/v).
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Re: P=(n/v)RT
You can write it as V is being divided by the whole thing (P = nRT/v). I think why Dr. Lavelle has been writing the V specifically under the n was just emphasize that n/v is molarity, and therefore the concentration.
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