1)
For O2 use:
Pi*Vi = Pf*Vf
1.75 atm * 32.3 L = Pf * 6.00 L
Pf = 9.42 atm
Answer: 9.42 atm
2)
For He use:
Pi*Vi = Pf*Vf
2.77 atm * 7.28 L = Pf * 6.00 L
Pf = 3.36 atm
Answer: 3.36 atm
3)
Total pressure = sum of both partial pressures
= 9.42 atm + 3.36 atm
= 12.78 atm
Answer: 12.8 atm
Mixtures of helium and oxygen are used in scuba diving tanks to help prevent "the bends....
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