Help with chem assignment please!!?

Posted on 2014-04-14 10:43:00 in Accounting by ALLY

It's Friday night and I'm stuck home until I finish this assignment :( I can't figure out these two problems. Please help!!



1) A sample of Freon-12 (CF2Cl2) occupies 26.0 L at 298 K and 153.3 kPa. Find its volume at STP.



2) A gas-filled weather balloon with a volume of 58.0 L is released at sea-level conditions of 740 torr and 23°C. The balloon can expand to a maximum volume of 835 L. When the balloon rises to an altitude at which the temperature is -5°C and the pressure is 0.066 atm, what volume will it expand to?

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