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Unit 2 AP Chemistry

grade-12-sabis-chapter-4 Page Top Chapter Notes Top Menu Chapter 4 Content Summary (Tap a question name to view it) 33. Molar concentration: number of moles of solute per L of solution. 34. Concentration calculations: BQ1 , BQ2 , BQ5 , SQ 3, SQ4 35. Dilution calculations. BQ3 , BQ4 Chapter Notes Top Menu Chapter 4 Notes Well Explained Chapter Notes Top Menu Chapter Notes Top Menu Chapter Notes Top Menu Basic Question 1 BQ1 Course Revision Questions Top Menu Basic Question 1 Explaining Similar Question Practice (Finding mass) Similar Questions Practice (finding Molar mass) Similar Questions Practice Basic Question 2 BQ2 SQ BQ3 Basic Question 3 BQ4 Basic Question 4 BQ5 Basic Question 5 Course Revision Questions Top Menu Course Revision Questions Videos 🎥 All Chapter Videos Top Menu

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Explain Diffusion in Chemistry and give examples in all states of matter Diffusion Diffusion is the movement of particles from an area of high concentration to an area of low concentration. For this to occur the particles must be able to move so this occurs only in gases liquids and does not occur in solids because particles have no gaps in between them enough for the diffusion to occur. Examples for Diffusion Solid particles Diffusing in Liquid particles When small solid pieces of solid iodine or potassium manganate(VII) are dissolved in water the solid particles diffuse in between the water particles and cause the solution to be colored with the iodine color Examples for Diffusion Solid particles Diffusing in Gas particles When you are throwing some small stones in the air , the solid particles of stones diffuses in between the air gas particles Examples for Diffusion Gas particles Diffusing in Liquid particles The particles of Carbon dioxide gas diffusing in water of a Carbonated drink is a perfected example. Examples for Diffusion Gas particles Diffusing in another Gas particles An example is the diffusion of bromine gas particles through air particles Examples for Diffusion Liquid particles Diffusing in Gas particles Drops in rain falling in between air particles Examples for Diffusion Liquid particles Diffusing in another liquid particles that what happens when you mix liquids together In all those examples, particles mix by colliding with each other and bouncing off in all directions. This mixing process is called diffusion. The overall result is the flow of particles from where they are more concentrated to where they are less concentrated, until they are evenly spread out. Rate of Diffusion of Gases Download as PDF