what is the relationship between particle size in a mixture?
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In mixtures with larger particle size ratios, small particles fit easily within the pores between large particles, thereby increasing the packing density.
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a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.
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When the substances in a mixture have different particle sizes, they are separated by filtration. The mixture is poured through a sieve or filter. The smaller particles slip through the holes, but the larger particles do not.
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Pure substances are substances composed of identical particles. ... Cement is a mixture because it is composed of different types of compound particles. Each of the components of concrete by themselves would be pure substances.
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Heterogeneous mixtures are not uniform. There are pockets of one substance surrounded by pockets of different substances. A mixture of soil in water to make "mud" is heterogeneous. Likewise, a mixture of oil and water in salad dressing is heterogeneous.
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DK Science: Separating Mixtures. The substances in a mixture are separated by the differences in their physical properties, such as their particle size. The more different the properties are, the easier it is to separate the substances. Tea leaves do not dissolve in water, so you can use a strainer to FILTER them.
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['Adsorption - the property of how well a substance in the mixture sticks to the chromatographic column. The higher the adsorption the slower the substance will move along the column.', 'Solubility - the property of how well a substance in the mixture dissolves into the solvent.']
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Answer: A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
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A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. ... Solutions have particles which are the size of atoms or molecules - too small to be seen.
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A: The rate of dissolving is influenced by several factors, including stirring, temperature of solvent, and size of solute particles.
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Lesson Summary. Suspensions and colloids are heterogeneous mixtures. A suspension is identifiable because its particles are large and settle out of the dispersing medium due to the effects of gravity. The dispersed particles of a colloid are intermediate in size between those of a solution and a suspension.
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Homogeneous mixtures have uniform properties throughout 2. Heterogeneous mixtures contain more than one part, and each part has its own properties 3. Components of a homogeneous mixture are visibly distinct.
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Grain size usually refers to the average diameter of the individual crystal orientations found in poly-crystalline materials. Particle size refers to (again generally) the average diameter of a discrete piece of material, rather than a region in a material with a distinct crystal orientation.
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Unsourced material may be challenged and removed. The particle density or true density of a particulate solid or powder, is the density of the particles that make up the powder, in contrast to the bulk density, which measures the average density of a large volume of the powder in a specific medium (usually air).
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The particle density or true density of a particulate solid or powder, is the density of the particles that make up the powder, in contrast to the bulk density, which measures the average density of a large volume of the powder in a specific medium (usually air).
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A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout any given sample. Conversely, a heterogeneous mixture has components in which proportions vary throughout the sample.
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Homogeneous and heterogeneous mixtures. ... A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout any given sample. Conversely, a heterogeneous mixture has components in which proportions vary throughout the sample.