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How many air molecules are in a 11.5×12.0×10.0 ft room? Assume atmospheric pressure of 1.00 atm, a room temperature of 20.0 ∘C, and ideal behavior.

 

Volume conversion:There are 28.2 liters in one cubic foot.

 Oct 9, 2015
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+1

How many air molecules are in a 11.5×12.0×10.0 ft room? Assume atmospheric pressure of 1.00 atm, a room temperature of 20.0 ∘C, and ideal behavior.

 

Volume conversion:There are 28.2 liters in one cubic foot.

 

11.5 X 12 X 10 X 28.2=38,916 Liters of air in the room.

Since 1 Liter=2.652×10^22 molecules, therefore:

2.652×10^22 molecules X 38,916 Liters=1.032 X 10^29 molecules of air in the room.

 Oct 9, 2015

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