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17 April, 06:48

Give the definition for diffusion.

(A) gas molecules mix unequally average distance between collisions

(B) gas molecules escape from a container into a vacuum through a small hole

(C) gas molecules mix equally

(D) gas molecules spread out in a concentration gradient

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  1. 17 April, 08:34
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    option D.

    Explanation:

    The correct answer is option D.

    Diffusion is the particle movement from high concentration to low concentration, such as air, water, etc.

    Example: if you spray perfume spread throughout the room at one part of the fragrance scent.

    The gas molecule thus spreads out in a gradient of concentration
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