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Title: A laboratory vacuum pump can reduce the pressure to 1.0 × 10-7 Pa. If the volume Post by: ppk on Mar 8, 2012 A laboratory vacuum pump can reduce the pressure to 1.0 × 10-7 Pa. If the volume of the chamber is 0.500 m3 and the temperature is 27°C, how many molecules are left inside the chamber?
A) 1.2 × 1013 B) 2.4 × 1013 C) 1.2 × 1012 D) 2.4 × 1012 E) 1.2 × 1014 Title: Re: A laboratory vacuum pump can reduce the pressure to 1.0 × 10-7 Pa. If the volume Post by: how_mendel on Mar 9, 2012 A
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