What cycle does choloroflorocarbons(CFC’S) Belong to
Nitrogen cycle
Phosphorus cycle
Water cycle
Carbon cycle

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both