February 23, 2017

Homework Help: Chemistry

Posted by Jordan on Wednesday, November 12, 2008 at 9:14pm.

Each of four identical tires of a car is filled with a different gas. Gas pressure in each tire is 3.0 atm at 25oC. One tire contains neon, another – argon, the 3rd one has krypton, and the last one has unknown gas. How many molecules are there in each tire?

So far, I have used PV=nRT. I set V=1. I found that n = .1226 moles. I multiplied that by avogadros number and got

7.38 * 10 ^ 22 molecules. Is this correct?

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