1)What is the total pressure of air if O2 has a partial pressure of 21.6 kPa and N2 is 77.15 kPa and CO2 is 0.98 kPa? a.54.57
b.99.73
c.86.13
d.55.56
2)What is the total pressure of gas in a propane tank if propane has a partial pressure of 22.4 atm, nitrogen’s is 0.44 atm, and oxygen’s is 0.19 atm and methane at a partial pressure of 2.86atm?
a.25.89
b.18.91
c.22.26
d.28.33
3)The earth's atmosphere is composed of 78% nitrogen, 21% oxygen, 0.9% argon, and 0.1% traces of other gases. If the total pressure right now is 101.3 kPa, what is the partial pressure of nitrogen
a.23.3 kPa
b.21.273 kPa
c.91.17 kPa
d.79.014 kPa