Chemistry 0620 · IGCSE · Diffusion

Diffusion — practice question

The speed at which a gas diffuses is affected by its molecular mass and temperature. Which pairing of molecular mass and temperature produces the slowest diffusion rate?

  • Amolecular mass high, temperature high
  • Bmolecular mass high, temperature low
  • Cmolecular mass low, temperature high
  • Dmolecular mass low, temperature low

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