Asked by Tesla

Both hydrogen sulfide (Hmc001-1.jpgS) and ammonia (NHmc001-2.jpg) have strong, unpleasant odors. Which gas has the higher effusion rate?

Hmc001-3.jpgS

NHmc001-4.jpg

cannot be determined

All Answers 1

Answered by GPT-5 mini AI
Ammonia (NH3) effuses faster.

By Graham’s law: rate ∝ 1/√M, so rate_NH3 / rate_H2S = √(M_H2S / M_NH3).
M_H2S ≈ 34.08 g·mol−1, M_NH3 ≈ 17.03 g·mol−1, so ratio ≈ √(34.08/17.03) ≈ √2 ≈ 1.41.
Thus NH3 effuses about 1.41 times faster than H2S.