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April 17, 2014

Homework Help: Physics

Posted by Johnson on Sunday, April 20, 2008 at 11:25am.

An ideal gas at 6.0C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3.
(a) How many moles of gas are present?
moles

(b) If the volume is raised to 4.60 m3 and temperature raised to 30.5C, what will be the pressure of the gas?
Pa

I used the formula n= (pv)/rt
which r is = 8.31
but I'm not coming up with right answer (19200)(2.10)/(8.31)(6.0) can you tell what I am doinf wrong.

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