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DIFFUSION Diffusion is a process leading to equalization of substance concentrations in a system or establishing in a system an equilibrium concentration distribution that results from random migration of the system's elements. Three types of diffusion are distinguished, viz., molecular, Brownian, and turbulent.
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- Diffusion is the spreading out of the particles of a gas or any substance in solution. It is caused by the random movement of the particles. The higher the temperature, the faster the particles move and the faster diffusion takes place.Diffusion results in the overall (net) movement of particles from an area of high concentration to an area of low concentration down a concentration gradient.ctive transport is used to move substances into cells and out of cells. Cells which carry out a lot of active transport often have lots of mitochondria to give them the energy they need. Active transport is important in the kidney for hanging on to the substances needed by the body such as glucose and some sodium ions.
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- Osmosis is the spontaneous net movement of water across a semipermeable membrane from a region of low solute concentration to a solution with a high solute concentration, down a solute concentration gradient. Process. Diffusion mainly occurs in gaseous state or within gas molecules and liquid molecules.(e.g.f two solutions of different concentration are separated by a semipermeable membrane, then the solvent will tend to diffuse across the membrane from the less concentrated to the more concentrated solution. This process is called osmosis. At the cellular level, both processes are types of passive transport.
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Where in the human body does diffusion occur? Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.smosis is the diffusion of water across a semi-permeable (or differentially permeable or selectively permeable) membrane. The cell membrane, along with such things as dialysis tubing and cellulose acetate sausage casing, is such a membrane.
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Diffusion Diffusion is the net movement of molecules or atoms from a region of high concentration (or high chemical potential) to a region of low concentration (or low chemical potential). This is also referred to as the movement of a substance down a concentration gradient.
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- User: What is the primary cause of diffusion? some substances can dissolve in solvents heat added to a substance random internal motion of atoms and molecules attraction of opposite atomic charges Weegy: Primary cause of diffusion is random internal motion of atoms and molecules. User: What is meant by elastic collisions? heat given off by constant collisions compression of the gas resultant force of all collisions collision and rebound without loss of energy
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How Cells Get Rid of Wastes by Osmosis & Diffusion Diffusion & Osmosis. Diffusion is the movement of molecules from a place of high concentration to a place of low concentration. The difference in concentration is called a gradient.
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Movement of molecules across cell membranes - The Human Physiology Diffusion is an important process in human physiology. Specifically, diffusion is the mechanism of movement of oxygen, nutrients and other molecules across the capillary walls and the movement of other molecules across membranes. The amount of material crossing a surface per unit of time is called flux and depends upon the difference in concentrations between two compartments where movement is potentially going to occur.
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Explain why diffusion? What is the process of diffusion? The process whereby particles of liquids, gases, or solids  intermingle as the result of their spontaneous movement caused by  thermal agitation. Substances always diffuse f…rom an area of higher  concentration to an area of lower concentration.
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Diffusion Diffusion is the chemical & biological process when molecules from a material move from an area of high concentration (where there are lots of molecules) to an area of low concentration (where there are fewer molecules). Diffusion usually happens in a gas or in a liquid.
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What Is Diffusion in Science? Diffusion is the spontaneous movement of any type of particle or molecule from an area of high concentration to an area of low concentration, while osmosis is the diffusion of water across a semi-permeable membrane.
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What causes diffusion? What causes diffusion to occur? Differences in the concentration of a component result in a netdifference in the Gibbs free energy of the molecules of thatcomponent in the more concentrated region and the mo … re diluteregion.
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Diffusion Diffusion. Dissolved substances have to pass through the cell membrane to get into or out of a cell. Diffusion is one of the processes that allows this to happen.Diffusion diffusion: The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration occurs when particles spread.They move from a region where they are in high concentration to a region where they are in low concentration.Diffusion happens when the particles are free to move. This is true in gases and for particles dissolved in solutions.Particles diffuse down a concentration gradient, from an area of high concentration to an area of low concentration.iffusion. Dissolved substances have to pass through the cell membrane to get into or out of a cell. Diffusion is one of the processes that allows this to happen.
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- Diffusion is the chemical & biological process when molecules from a material move from an area of high concentration (where there are lots of molecules) to an area of low concentration (where there are fewer molecules).
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- The concept of diffusion is tied to that of mass transfer driven by a. concentration gradient, but diffusion can still occur when there is no concentration gradient (but. there will be no net flux). History: The concept of diffusion emerged from physical sciences.
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diffusion In the process of diffusion of a single solute, a concentration of molecules on one side of a membrane (top) will move through a membrane (center) until there is equilibrium on both sides (bottom).
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- Diffusion, the passive movement of particles from an area of high concentration to an area of low concentration. Particles like to move! Because they like to move, they want t…o spread out as much as possible. Diffusion happens because the particles want to spread into the remaining fluid, (liquid and gas) to an area of low concentration. Another way of thinking, when you spray deodorant, because of the initial pressure that pushes all of the particles out of the can, they spread out in all directions.
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Diffusion Diffusion refers to the process by which molecules intermingle as a result of their kinetic energy of random motion. Consider two containers of gas A and B separated by a partition. The molecules of both gases are in constant motion and make numerous collisions with the partition.
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- Physics and Chemistry. Diffusion is the movement of particles from an area of high concentration to an area of low concentration. Diffusion is not to be confused with osmosis, which is the movement of water through a semi-permeable membrane. However, osmosis is a special case of diffusion.
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Interactive STEM activities, free for your classroom Explore the role of pore size in the diffusion of a substance across a membrane. Diffusion is the process of a substance spreading out from its origin. Molecules diffuse through random molecular motion. Diffusion is always happening, even when a system appears to have reached equilibrium, because molecules are always moving.
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Click here for Diffusion is a process where molecules move from an area of high. concentration to an area of low concentration. How quickly diffusion occurs is. dependent on several factors, such as temperature, particle size, and the concentration. difference on either side of the membrane.
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- Osmosis is the diffusion of water across a selectively permeable membrane. A spontaneous transport of solvent occurs from a dilute solute or salt solution to a concentrated solute or salt solution across a semipermeable membrane which allows the passage of the solvent but impedes passage of the salt solutes.This is very important with cells. spontaneous transport of solvent occurs from a dilute solute or salt solution to a concentrated solute or salt solution across a semipermeable membrane which allows the passage of the solvent but impedes passage of the salt solutes. This is very important with cells.
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Molecular diffusion The self-diffusion coefficient of neat water is: 2.299·10−9 m²·s−1 at 25 °C and 1.261·10−9 m²·s−1 at 4 °C. Chemical diffusion occurs in a presence of concentration (or chemical potential) gradient and it results in net transport of mass. This is the process described by the diffusion equation.
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- Diffusion is a widespread and important process which occurs in both living and non-living systems. 1  Simple diffusion refers to diffusion of substances without the help of transport proteins.  Facilitated diffusion refers to diffusion of substances across a cell membrane with the help of transport proteins.
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- Mini Bio (1) Jason Thompson was born on November 15, 1976 in Alberta, Canada as Jason Craig Thompson. He is an actor, known for General Hospital (1963), Wishmaster 4: The Prophecy Fulfilled (2002) and Circle (2010). He has been married to Paloma Jonas since April 5, 2015.
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Osmosis and Diffusion Diffusion is the movement of particles (atoms, ions or molecules) from a region in which they are in higher concentration to regions of lower concentration. A good example of diffusion is food colouring.If you place a drop of red food colouring in a beaker of water eventually the entire beaker of water will have a red tint. The food colouring moved through the water until it was equally distributed throughout the beaker.ere, the concentration is the same on both side of the membrane. The water moves through the membrane from both sides at equal rates. Osmosis and Animal Cells. The movement of liquids in and out cells is dependant on the concentration of the solution surrounding it.