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Sreeshan · 2024-02-27T10:34:39.168Z

What is diffusion? • Fundamental Process: Diffusion is the natural movement of particles (atoms, ions, or molecules) from an area of higher concentration (where there are more of them) to an area of lower concentration (where there are fewer). • Driven by Random Motion: Particles in liquids and gases are constantly moving in random directions. This causes them to collide and spread out, leading to diffusion. • Reaching Equilibrium: Diffusion continues until the particles are evenly distributed, creating a state of equilibrium. Types of Diffusion • Simple diffusion: Direct movement of particles through a medium, like sugar dissolving in a cup of coffee. • Facilitated diffusion: Movement of particles across a membrane with the help of carrier proteins. This is how some substances enter and exit cells. • Osmosis: A special type of diffusion where water molecules move across a semi-permeable membrane from an area of high water concentration to an area where it's lower. Examples of diffusion • Smell of Perfume: Perfume molecules spread through the air, diffusing from the bottle to your nose. • Oxygen in Your Lungs: Oxygen diffuses from the air into your blood through tiny air sacs in the lungs. • Food Coloring in Water: Dropping food coloring into water results in it gradually spreading throughout the water. Importance of Diffusion Diffusion is critical for many biological and physical processes: • Cellular Function: Transport of nutrients and waste products in and out of cells. • Respiration: Gas exchange (oxygen and carbon dioxide) in the lungs. • Industrial Processes: Used in various manufacturing processes like separation of chemicals.

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Sreeshan

Feb 27

Diffusion

in Sreeshan

What is diffusion?

Fundamental Process: Diffusion is the natural movement of particles (atoms, ions, or molecules) from an area of higher concentration (where there are more of them) to an area of lower concentration (where there are fewer).
Driven by Random Motion: Particles in liquids and gases are constantly moving in random directions. This causes them to collide and spread out, leading to diffusion.
Reaching Equilibrium: Diffusion continues until the particles are evenly distributed, creating a state of equilibrium.

Types of Diffusion

Examples of diffusion

Importance of Diffusion

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