what diffusion is some minerals
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Volume 72: Diffusion in Minerals and Melts Cherniak (2010b) reviews diffusion in the accessory minerals zircon, monazite, apatite, and xenotime, phases important in geochronologic studies. Diffusion in other minerals, including carbonates, sulfide minerals, fluorite and diamond, is reviewed by Cherniak (2010c).
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- The dunes shown in this image are advancing toward the northeast, and the brilliant white sands contrast with darker soils. The sands of White Sands National Monument are formed from gypsum, a soft mineral often left behind when water bodies evaporate.Although gypsum is a fairly common mineral, it is rarely found as sand because it easily dissolves in water, and rivers generally carry dissolved gypsum to the sea.Waters flowing into the basin holding White Sands National Monument, however, found no outlet and evaporated.lthough gypsum is a fairly common mineral, it is rarely found as sand because it easily dissolves in water, and rivers generally carry dissolved gypsum to the sea. Waters flowing into the basin holding White Sands National Monument, however, found no outlet and evaporated.
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- International human rights law lays down obligations which States are bound to respect. By becoming parties to international treaties, States assume obligations and duties under international law to respect, to protect and to fulfil human rights. The obligation to respect means that States must refrain from interfering with or curtailing the enjoyment of human rights.
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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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- diffusion controlled properties to retrieve quantitative information about geological, planetary and other processes.. 2 2 x C D t i i i ∂ ∂ = ∂ . ∂ ∂ ∂ ∂ = ∂ ∂ x D C t x Ci i i (i), i J t x C ∂ ∂ =− ∂ ∂, x C J = D i i i ∂ ∂ − Diffusion kinetics in minerals: Principles and applications 273
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Plants For Kids Plant Osmosis. Diffusion is the movement of molecules from an area of higher concentration to that of a lower concentration. Once there are the same number of molecules on both sides, there is no longer any net movement because a gradient no longer exists.
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- Diffusion. Diffusion diffusion: The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration is a process in which material spreads throughout a liquid or a gas. It is the overall movement of a substance from a region of high to low concentration.smosis is the movement of water from a high water concentration to a low water concentration through a partially permeable membrane. Plants absorb water from the soil by osmosis through their root hair cells.
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diffusion 1. The movement of ions or molecules from an area of higher concentration to an area of lower concentration. Small molecules and ions can move across a cell membrane by diffusion. Compare osmosis.2. a. The reflection of light off an irregular surface in all directions.he movement of ions or molecules from an area of higher concentration to an area of lower concentration. Small molecules and ions can move across a cell membrane by diffusion. Compare osmosis. 2. a. The reflection of light off an irregular surface in all directions.
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Learn About Diffusion The rate of diffusion for different substances is affected by membrane permeability. For instance, water diffuses freely across cell membranes but other molecules can not. They must be helped across the cell membrane through a process called facilitated diffusion. Osmosis is a special case of passive transport. Water diffuses across a semi-permeable membrane, which allows some molecules to pass, but not others. In osmosis, the direction of water flow is determined by solute concentration. Water diffuses from a hypotonic (low solute concentration) solution to a hypertonic (high solute concentration) solution.
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- Osmosis is the diffusion of water across a semipermeable membrane from an area of higher water concentration to an area of lower water concentration. FIGURE 3.22 Diffusion results from the natural motion of particles. colored SEMs; magnification 4500 In cells, diffusion plays an important role in moving substances across the membrane.
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Diffusion An example of diffusion in biological system is diffusion of oxygen and carbon dioxide across the alveolar-capillary membrane in mammalian lungs. Diffusion may be a simple diffusion or facilitated diffusion. A simple diffusion is one in which that occurs unassisted. Facilitated diffusion in contrast is an assisted diffusion in a way that it requires a carrier molecule. For instance, polar molecules diffuse across a cell membrane through carrier molecules embedded in the cell membrane.
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- What Is Simple Diffusion? In a solution or gas that has an area of high numbers of particles and an area of lower numbers of particles, the particles will diffuse, or move, from the area of higher to the area of lower concentration. This is known as simple diffusion, or passive diffusion. Simple diffusion does not require energy. Instead, it happens by random motion. Random motion is defined as movement that occurs by chance because there is no order or regular system by which the movements of the particles shift in a solution or gas.
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Cells and Diffusion Osmosis is the diffusion of water across a semipermeable membrane. Many plant nutrients reach the root surface via diffusion through the soil solution. Some nutrient molecules diffuse across root cell membranes into the cytosol (cell sap or cytoplasm) or from the cytosol of the endodermal cells into the xylemtissue.
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In and Out of Cells Diffusion occurs in gases and with any substance in a solution. Therefore we can say that the definition of diffusion is as follows: Diffusion: The movement of particles from an area of high concentration to an area of low concentration until they spread out evenly. There are two important rules to remember. The larger the particles the slower the rate of diffusion. The greater the difference in concentration the greater the rate of diffusion. This difference is known as the concentration gradient. Example of diffusion in plant cells; Example of diffusion in animal cells
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How are osmosis and diffusion alike? Diffusion is the movement of a substance from an area of high concentration to an area of low concentration.  Osmosis is the movement of water from an area of high concentra…tion to an area of low concentration through a semi-permable membrance.
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- Diffusion is the net movement of molecules or atoms from a region of high concentration with high chemical potential to a region of low concentration with low chemical potential.
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How is water and minerals transported from the roots to upper parts of plants ? Transport of Water and Minerals. The water and minerals absorbed by roots are conducted upwards to the leaves, flowers and other parts of the plant. It takes place through xylem tubes. The upward movement of sap that contains war and minerals is called ascent of sap. Take a freshly cut twig of balsam plant and place its lower end in a dilute solution of eosin.
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diffusion Noun. 1. diffusion - (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration. natural philosophy, physics-the science of matter and energy and their interactions; his favorite subject was physics.
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Some basic definitions used in cement and concrete Some basic definitions used in cement and concrete. A few useful basic definitions follow, since the meanings of the words 'cement' and 'concrete' are rather blurred in general use. Portland Cement: Material made by heating a mixture of limestone and clay in a kiln at about 1450 C, then grinding to a fine powder with a small addition of gypsum.
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Diffusion Diffusion. Diffusion is the spontaneous spreading of something such as particles, heat, or momentum. The phenomenon is readily observed when a drop of colored water is added to clear water, or when smoke from a chimney dissipates into the air.
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- Minerals with cleavage break more easily along at least one plane. Biotite mica (top left) is a mineral with one direction of cleavage. Orthoclase feldspar (top right) shows two directions of cleavage at approximately 90 degrees. Halite (bottom), or rock salt, shows three directions of cleavage at 90 degrees.
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Where in the human body does diffusion occur? Metabolic processes in animals and plants usually require oxygen, which is in lower concentration inside the cell, thus the net flow of oxygen is into the cell. Osmosis 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. The presence of a solute decreases the water potential of a substance.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. The presence of a solute decreases the water potential of a substance.
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General Chemistry/Diffusion and Effusion Diffusion [edit]. Diffusion of KMnO4 in water. Diffusion is the process of a substance spreading out to evenly fill its container or environment. In a solution, a concentrated solute diffuses to spread evenly in its solvent. In air, gas molecules diffuse to mix thoroughly. Substances diffuse from areas of high concentration to low concentration.
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Diffusion Definition in Chemistry Diffusion Definition. Diffusion is the movement of a fluid from an area of higher concentration to an area of lower concentration. Diffusion is a result of the kinetic properties of particles of matter. The particles will mix until they are evenly distributed. Diffusion Examples.
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What is the definition of diffusion? 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. Lighting (as in photography).
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What Causes Diffusion? Diffusion is caused when heat in a gas or water environment creates energy that is absorbed by particles, making them move. This is referred to as thermal motion. Each particle moves in a different direction, but the direction changes if the particle hits a solid object or another particle.