February 21, 2017

Homework Help: atmospheric pressure

Posted by Anonymous on Monday, November 19, 2012 at 11:43am.

How many moles of gas must be forced into a 3.9 ball to give it a gauge pressure of 9.8 at 25? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5 so that the total pressure in the ball is 24.3 .

Express your answer using two significant figures.

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