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The Gas laws...please help me!!!!

Guest spoon69
Guest spoon69
in Homework Help

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Hi can any help me with this question i have to do by tomorrow, i would be very greatfull.

 

A cylinder of helium has a volume of 600cm3 (cubed). The cylinder contains 200g of helium at a temperature of 25*C (degrees Celcius).Determine the pressure of the helium if the characteristic gas constant for helium is 2080 J/(kg K).

If the gas characteristic is 2080J/(kg K), then 200g must contain 416J / K.

 

Then you can use pV = kT

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