Asked by MJ

A sample of xenon gas at a pressure of 911 mm Hg and a temperature of 72 °C, occupies a volume of 10.8 liters. If the gas is heated at constant pressure to a temperature of 96 °C, the volume of the gas sample will be___L
Answered by MJ
i need help ASAP PLEASE
Answered by DrBob222
What kind of help? This is done the same way you last problem was solved.
Answered by MJ
yes you are right but I accidentally left the tab and now i don't know how to get it back
Answered by DrBob222
Use (V1/T1) = (V2/T2). T must be in Kelvin so convert degrees C to K by
K = 273 + C

There is an easy way to remember all of these gas law problems. If your prof hasn't shown you how to do this I can show you when you have the time. Do you have a printer? You could print out what I send.
Answered by ZMD
Are u sure we are dividing and not multiplying because when i divided am getting some wrong answer
Answered by DrBob222
My crystal ball doesn't work very well so I don't know what you're doing. The most common student mistake is to use degrees C instead of degrees K. Why don't you post your work and I'll find the error. The general gas law formula is
(P1V1/T1) = (P2V2/T2) but since P is constant (P1 = P2) then P isn't needed in the formula. Yes, I am absolutely positive that (V1/T1) = (V2/T2) and yes that's divided. I've used this formula for 60 years and taught it for 40 years. It works every time.
Answered by ZMD
Thanks alott i solved it now i realyyy appreciated :) though am wondering who disliked your comment :(
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