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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

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Questions Answers Past Papers Revision Sheets Homework Bookonline Tuition Chemistry Lessons worldwide for SABIS IGCSE GCSE O LEVEL A LEVEL AND ... 1. ATOMIC STRUCTURE 2. THE PERIODIC TABLE 3. IONIC BONDING 4. COVALENT BONDING 5. TYPES OF SUBSTANCES 6. CALCULATIONS INVOL EDEXCEL GCSE -Syllabus Contents 1. ATOMIC STRUCTURE 2. THE PERIODIC TABLE 3. IONIC BONDING 4. COVALENT BONDING 5. TYPES OF SUBSTANCES 6. CALCULATIONS INVOLVING MASSES 7. STATES OF MATTER AND MIXTURES 8. METHODS OF SEPARATING & PURIFYING SUBSTANCES 9. ACIDS BASES AND SALTS 10. ELECTROLYTIC PROCESSES 11. OBTAINING AND USING METALS 12. REVERSIBLE REACTIONS & EQUILIBRIA 13. TRANSITION METALS, ALLOYS & CORROSION 14. QUANTITATIVE ANALYSIS 15. DYNAMIC EQUILIBRIA 16. CHEMICAL CELLS & FUEL CELLS 17. GROUP 1 (COMING SOON) 18. GROUP 7 (COMING SOON) 19. GROUP 0 (COMING SOON) 20. RATES OF REACTION (COMING SOON) 21. HEAT ENERGY CHANGES IN CHEMICAL REACTIONS 22. FUELS 23. EARTH & ATMOSPHERIC SCIENCE (COMING SOON) 24. QUALITATIVE ANALYSIS: TESTS FOR IONS (COMING SOON) 25. HYDROCARBONS (COMING SOON) 26. POLYMERS (COMING SOON) 27. ALCOHOLS & CARBOXYLIC ACIDS (COMING SOON) 28. NANO PARTICLES & BULK & SURFACE PROPERTIES OF MATTER (Coming soon)

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