Posted by Billy on Tuesday, November 2, 2010 at 2:27pm.
A scuba diver's tank contains .25 kg of oxygen compressed into a volume of 4.3 L (for oxygen, 32g = 1 mole)
Calculate the gas pressure inside the tank at 9 degrees Celsius
What volume would this occupy at 26 degrees Celsius and .95 atmospheres?

chemisty help please  bobpursley, Tuesday, November 2, 2010 at 3:27pm
Use the ideal gas law. moles O2= 250/molmassO2
P= nRT/V

chemisty help please  Billy, Tuesday, November 2, 2010 at 3:56pm
what would the number of moles equal then? and R= .0821 K atm L mol?

chemisty help please  Bob, Tuesday, November 2, 2010 at 4:20pm
I still don't get it.. lol

chemisty help please  Smitty, Friday, January 28, 2011 at 5:25am
.29kg=290g*32g(Molar mass of O2)
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