Which of the following gases effuses the fastest at a given temperature?
A. Ne
B. CH4
C. Ar
D. H2

Question

Which of the following gases effuses the fastest at a given temperature?
 A. Ne 
 B. CH4 
 C. Ar  
 D. H2

wolfe8 · Answer

The smaller its mass, the faster it diffuses.

anonymous · Answer

Thank You!!!

wolfe8 · Answer

You're welcome. Btw, this is based on Graham's Law of effusion where the rate of effusion is inversely proportional to the square root of the mass of the substance. Do take time to read our CoC: http://openstudy.com/code-of-conduct and enjoy your stay. If you are satisfied with any question, please reward a medal to whoever you think deserves it and close the question. We also have a fan and testimony system. See you around :)