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Questions and Answers
What primarily drives the movement of molecules during diffusion?
When a steep concentration gradient exists, how does it affect the rate of diffusion?
Which of the following substances is used as an example to demonstrate diffusion in gases?
What is the concentration gradient in diffusion?
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What is the observed state of bromine at room temperature?
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Study Notes
###Â Diffusion
- Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration.
- This movement continues until the molecules are evenly distributed.
- Diffusion is driven by the random motion of molecules.
- Molecules have energy and are always moving in random directions.
###Â Diffusion in Gases
- Bromine is a volatile liquid at room temperature.
- When bromine is poured into a gas jar and inverted over another jar, the bromine vaporizes and diffuses into the upper jar.
- The rate of diffusion depends on the concentration gradient.
- A steep concentration gradient leads to rapid diffusion.
- A less steep gradient leads to slower diffusion.
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Description
Test your knowledge on diffusion and its principles with this quiz. Explore the process of molecular movement from areas of higher concentration to areas of lower concentration, and understand how this behavior differs in gases like bromine. Examine factors affecting the rate of diffusion in various scenarios.
