Beaker 1 Contains Water at 23 Degrees C

question 7

Multiple Choice

Beaker 1 contains water at 23 degrees C.Beaker 2 contains water at 5 degrees C.Beaker 3 contains water at 95 degrees C.A drop of the same blue dye was placed in each beaker.After 10 minutes,the dye in beaker 1 moved 10 mm from the origin,whereas the dye in beakers 2 and 3 moved 2 mm and 40 mm from the origin,respectively.Which of the following statements properly explains this observation?

• A) The rate of diffusion does not change as temperature changes.
• B) The rate of diffusion increases as temperature decreases.
• C) The rate of diffusion decreases as temperature increases.
• D) The rate of diffusion increases as temperature increases.

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