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Old Sep 15th 2014, 01:04 PM   #1
awesome31312
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Question What is the number of molecules in 500 cm^3 of oxygen under room conditions?

And how do we solve this kind of problem?
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Old Sep 15th 2014, 06:24 PM   #2
bjhopper
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Originally Posted by awesome31312 View Post
And how do we solve this kind of problem?

use the ideal gas equation
pv=nRT where p= atms v= liters R is 0.082 and T = deg K deg C + 273
n is the number of gm moles.A gm mol ofO2 = 32gms
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