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How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

The rules of engagement (roe) working group is often used to (select all that apply.)

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm