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
Answers: 1
Chemistry, 22.06.2019 13:30
If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
Answers: 3
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