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Solubility Definitions Flashcards
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Solubility Definitions Flashcards

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Questions and Answers

What is a solution?

  • A solid substance
  • A gas mixture
  • An undissolved material
  • A type of mixture in which all components are evenly distributed (correct)
  • What does solubility refer to?

    The ability of one substance to dissolve in another at a given temperature and pressure.

    What is a solvent?

    A liquid substance capable of dissolving other substances.

    Define solute.

    <p>The substance that is dissolved in a solution.</p> Signup and view all the answers

    What is an aqueous solution?

    <p>A solution in which the solvent is water.</p> Signup and view all the answers

    What does saturation mean in chemistry?

    <p>The act of soaking thoroughly with a liquid.</p> Signup and view all the answers

    What is super saturation?

    <p>A solution that contains more solute than it takes for saturation.</p> Signup and view all the answers

    Define effervescence.

    <p>The process of bubbling as gas escapes.</p> Signup and view all the answers

    What is molarity?

    <p>Concentration measured by the number of moles of solute per liter of solvent.</p> Signup and view all the answers

    What constitutes a mixture in chemistry?

    <p>A substance consisting of two or more substances mixed together.</p> Signup and view all the answers

    Define molality.

    <p>Molal concentration.</p> Signup and view all the answers

    What is a suspension?

    <p>A mixture of water and nondissolved materials.</p> Signup and view all the answers

    What is a solubility curve?

    <p>A graph indicating the solubility of a particular solute at different temperatures.</p> Signup and view all the answers

    Define heterogeneous mixture.

    <p>A mixture in which pure substances are unevenly distributed throughout the mixture.</p> Signup and view all the answers

    What is a homogeneous mixture?

    <p>Any combination of substances that has uniform composition and properties.</p> Signup and view all the answers

    What does precipitate mean?

    <p>To separate as a fine suspension of solid particles.</p> Signup and view all the answers

    Study Notes

    Solutions and Mixtures

    • Solutions are homogeneous mixtures where all components are uniformly distributed.
    • A mixture comprises two or more substances combined without fixed proportions and no chemical bonding.

    Solubility Concepts

    • Solubility refers to the capacity of a substance to dissolve in another under specific temperature and pressure conditions, indicating how much solute can blend with a solvent to create a saturated solution.
    • "Saturation" describes the process of completely soaking a material with a liquid until no more can be absorbed.
    • "Supersaturation" occurs when a solution holds more solute than needed for saturation, often creating unstable conditions.

    Components of Solutions

    • Solvents are liquids that dissolve other substances, forming a solution; water is the most common solvent.
    • Solutes are the substances that dissolve in solvents to form solutions.

    Special Solutions

    • Aqueous solutions indicate that water is the solvent utilized.
    • Suspensions are mixtures where water and undissolved solids coexist, as opposed to being completely dissolved.

    Concentration Measurements

    • Molarity measures concentration based on the number of moles of solute per liter of solvent, providing a standard way to express solution concentration.
    • Molality refers to molal concentration, focusing on the number of moles of solute per kilogram of solvent.

    Graphical Representation

    • Solubility curves graphically represent the solubility of different solutes at various temperatures, helping visualize how solubility changes with temperature.

    Mixture Types

    • Heterogeneous mixtures feature uneven distributions of pure substances throughout the mixture, leading to visible differences.
    • Homogeneous mixtures maintain uniform composition and properties, appearing consistent throughout.

    Chemical Processes

    • Effervescence describes the bubbling effect caused by gas escaping from a liquid, notably during fizzy reactions.
    • Precipitation is the process of forming a fine suspension of solid particles from a solution, often resulting in visible changes in a mixture.

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    Test your knowledge of solubility concepts with these flashcards. Each card features essential terms and their definitions, including solutions, solubility, and solvents. Perfect for students looking to reinforce their understanding of chemistry topics.

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