As the size of a solute molecule decreases, _____.Group of answer choicesthe rate of diffusion increaseschange in rate of diffusion is unaffectedthe rate of diffusion decreaseschange in rate of diffusion is unpredictableNext
Question
As the size of a solute molecule decreases, _____.Group of answer choicesthe rate of diffusion increaseschange in rate of diffusion is unaffectedthe rate of diffusion decreaseschange in rate of diffusion is unpredictableNext
Solution
The rate of diffusion increases.
Here's why: Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. The size of the molecules involved in this process can significantly affect the rate of diffusion. Smaller molecules move faster than larger ones because they collide with fewer molecules and therefore experience less resistance. So, as the size of a solute molecule decreases, the rate of diffusion increases.
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When comparing the diffusion rate of a substance at differing concentrations within a liquid, _____.Group of answer choicesthe diffusion rate will increase with a lower solute concentrationthe diffusion rate for the substance is the same for all concentrationsthe diffusion rate will decrease with a lower solute concentrationthe diffusion rate will decrease with a higher solute concentrationNext
Which of the following is true about diffusion?Multiple choice question.Molecules move against their concentration gradients.Molecules move down their concentration gradients.
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