Homogeneous and Heterogeneous Mixtures

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Mixture Noun

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[miks-cher]

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Mixture

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A physical blend of two or more substances that are together in the same place but not chemically bonded.

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Example: This diagram shows a solution, a type of homogeneous mixture where solute particles are evenly dissolved and distributed within a solvent.

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Components Noun

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[kuhm-poh-nents]

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Components

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The different substances that comprise a mixture, which retain their individual qualitative properties without chemical change.

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Example: A mixture's components are the different substances within it. This diagram shows components can be elements (Ne, O2) and compounds (H2O, CO2).

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Homogeneous Mixture Noun

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[hoh-moh-jee-nee-uhs miks-cher]

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Homogeneous Mixture

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A mixture in which the composition is uniform throughout, and the different parts are not visibly distinguishable.

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Example: This diagram shows a solution, a type of homogeneous mixture. The magnified view reveals that the solute particles are evenly mixed with the solvent particles.

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Heterogeneous Mixture Noun

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[het-er-uh-jee-nee-uhs miks-cher]

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Heterogeneous Mixture

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A mixture in which the composition is not uniform, and the different components are visibly distinguishable.

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Example: This diagram shows that when sand and water are mixed, the sand particles do not dissolve and eventually settle, demonstrating a non-uniform heterogeneous mixture.

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Phase Noun

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[feyz]

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Phase

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Any part of a sample with uniform composition and properties, often seen as distinct layers in heterogeneous mixtures.

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Example: This image shows a business or learning cycle, which is completely unrelated to the scientific term 'Phase' as a distinct state or component in a mixture.

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Solution Noun

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[suh-loo-shuhn]

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Solution

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A homogeneous mixture formed when one substance, the solute, dissolves completely into another substance, the solvent.

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Example: This diagram shows that when a solute (salt) is dissolved in a solvent (water), it forms a solution, a homogeneous mixture where particles are evenly mixed.

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Concentration Noun

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[kon-suhn-trey-shuhn]

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Concentration

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A measure of the amount of a solute that is dissolved in a given quantity of solvent or solution.

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Example: This image compares two solutions: a dilute one with a little salt (solute) and a concentrated one with a lot of salt, showing concentration.

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Solute Noun

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[sol-yoot]

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Solute

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The substance in a solution that is present in the smaller proportion and gets dissolved by the solvent.

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Example: This image shows a sugar cube, the solute, being added to water, the solvent, to create a homogeneous mixture called a solution.

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Solvent Noun

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[sol-vuhnt]

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Solvent

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The substance in a solution that is present in the greater proportion and does the dissolving of the solute.

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Example: This diagram shows that a solution is made of a solvent and a solute, where the solvent is the substance present in the larger amount.

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Dilute solution Noun

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[dahy-loot suh-loo-shuhn]

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Dilute solution

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A solution that contains a relatively small amount of solute compared to the amount of solvent.

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Example: The image shows a series of beakers where the colored liquid becomes less intense, demonstrating that a dilute solution has a smaller amount of solute.