Suppose that on two different set-ups we have helium and bromine gas diffusing though stagnant air, both at room temperature and 1 atm pressure. Which of the following is correct? A) None of the...

Extracted text: Suppose that on two different set-ups we have helium and bromine gas diffusing though stagnant air, both at room temperature and 1 atm pressure. Which of the following is correct? A) None of the choices B) Bromine gas will diffuse faster than hydrogen gas. C) The two gases will have the same rate of diffusion. D) Helium will diffuse fater than chlorine gas. E) Bromine gas will not diffuse because it is heavier than air.