C CRES New member Dec 2, 2009 #1 A tank contains 20.0 kg of O2 gas at a gauge pressure of 8.30 atm. If the oxygen is replaced by helium, how many kilograms of the latter will be needed to produce a gauge pressure of 7.00 atm? ____ kg
A tank contains 20.0 kg of O2 gas at a gauge pressure of 8.30 atm. If the oxygen is replaced by helium, how many kilograms of the latter will be needed to produce a gauge pressure of 7.00 atm? ____ kg
