Multiple ChoiceAccording to Graham's law, how does the rate of effusion of NH_3 compare to that of He under identical conditions?71views
Multiple ChoiceIn a classic effusion experiment, ammonia (NH_3) travels farther than hydrogen chloride (HCl) in a glass tube. Which of the following best explains this observation?54views
Multiple ChoiceWhich of the following gases will effuse the most rapidly according to Graham's law?51views
Multiple ChoiceAccording to Graham's law, what is the ratio of the rate of effusion of F_2 gas to Cl_2 gas?61views
Multiple ChoiceRank the following gases in order of decreasing rate of effusion: H2, O2, CO2, N2.71views
Multiple ChoiceWhich of the following statements best describes the process of effusion for nitrogen gas (N_2) from a gaseous phase?48views
Multiple ChoiceAccording to Graham's law of effusion, how many times faster do ammonia (NH_3) molecules effuse compared to carbon monoxide (CO) molecules?71views
Multiple ChoiceAccording to Graham's law of effusion, how much faster does 79Br2 effuse compared to 81Br2?60views
Multiple ChoiceWhich of the following best describes the difference between effusion and diffusion?62views
Multiple ChoiceAt the same temperature, which of the following gases will have the fastest rate of effusion?55views