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April 23, 2014

Homework Help: Intro to Physics

Posted by Madison on Wednesday, November 14, 2012 at 3:44pm.

(a) An ideal gas occupies a volume of 3.0 cm3 at 20C and atmospheric pressure. Determine the number of molecules of gas in the container.
_____________molecules

(b) If the pressure of the 3.0-cm3 volume is reduced to 2.4 10−11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container?
______________mol

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