Wednesday
August 20, 2014

Homework Help: chem

Posted by Tom on Sunday, December 2, 2007 at 1:26pm.

Yesterday, Jason had a sample of helium indoors (T = 23oC) in a sealed container, with a pressure of 760 mm Hg. He got bored and took the container outside, where the temperature was a blistering 35oC. He calculated the new pressure to be 750 mm Hg. Jason knew that this answer was not correct because:

TK = ToC + 273.15
Equal volumes of gas have the same number of moles.
P is proportional to n
P is proportional to T
He forgot to convert his temperature to K and the pressure should have decreased even more.

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