CH-1544
Diffusion
Chemistry · Secondary 4 · Hard · Diffusion
A gaseous pollutant diffuses along a tube. Gas A has a relative molecular mass of 32 and is at 25 °C. Gas B has a relative molecular mass of 44 and is also at 25 °C. Which statement explains why Gas A diffuses faster than Gas B?
- Gas A has a lower relative molecular mass than Gas B.
- Gas A is at a higher temperature than Gas B.
- Gas A is more reactive than Gas B.
- Gas A has a higher density than Gas B.
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