WAEC Physics 2011 Theory — Question 5
Question 5 of 39 from the West African Examinations Council (WAEC) Physics 2011 Theory paper, with the correct answer and a full explanation.
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2(b) Give one reason why the rate of diffusion is higher in gases than in liquids at the same temperature.
Model answer
The rate of diffusion is higher in gases than in liquids because in gases there is more space for the molecules to move, and molecular motion is faster in gases due to weaker intermolecular forces compared with liquids.
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