CH-580
Diffusion
Chemistry · Secondary 3 · Medium · Diffusion
A gas mixture contains hydrogen sulfide, H₂S (Mᵣ = 34), and sulfur dioxide, SO₂ (Mᵣ = 64). Both are released at the same time into a tube of air. Which gas reaches the other end of the tube first?
- Hydrogen sulfide, because it is less dense.
- Hydrogen sulfide, because it is more dense.
- Sulfur dioxide, because it has larger molecules.
- Sulfur dioxide, because it has stronger bonds.
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