# Science

at STP a certain mass of gas occupies a volume of 790 cm cube find the temperature at which the gas occupies 1000 cm cube and has a pressure of 726 mmhg

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1. Use (P1V1/T1) = (P2V2/T2)
Remember to use kelvin for T1 and T2. STP means 22,400 cc @ 273 kelvin.
Post your work if you get stuck.

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DrBob222
2. At STP the density of chlorine is 3.22 kg/cu. meter. What is the weigh of this gas is contained in a flask of 100 cubic centimeters at 24 deg celcius and 100 kPa?

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