homogeneous mixture

(noun)

A substance that is uniform in composition.

Related Terms

  • catalyst

Examples of homogeneous mixture in the following topics:

  • Substances and Mixtures

    • A homogeneous mixture is a mixture of two or more chemical substances (elements or compounds), where the different components cannot be visually distinguished.
    • Often separating the components of a homogeneous mixture is more challenging than separating the components of a heterogeneous mixture.
    • Distinguishing between homogeneous and heterogeneous mixtures is a matter of the scale of sampling.
    • In practical terms, if the property of interest is the same regardless of how much of the mixture is taken, the mixture is homogeneous.
    • Mixtures are described as heterogeneous or homogeneous.
  • Homogeneous versus Heterogeneous Solution Equilibria

    • The equilibrium constants for homogeneous and heterogeneous solutions need to be calculated differently.
    • The former are called homogenous reactions, and the later are called heterogeneous reactions.
    • A homogeneous equilibrium is one in which all of the reactants and products are present in a single solution (by definition, a homogeneous mixture).
    • Reactions between solutes in liquid solutions belong to one type of homogeneous equilibria.
    • The chemical species involved can be molecules, ions, or a mixture of both.
  • Osmotic Pressure

    • A solution is defined as a homogeneous mixture of both a solute and solvent.
  • Homogeneous Catalysis

    • Homogeneous catalysis is a class of catalysis in which the catalyst occupies the same phase as the reactants.
    • Catalysts can be classified into two types: homogeneous and heterogeneous.
    • Typically, heterogeneous catalysis involves the use of solid catalysts placed in a liquid reaction mixture.
    • Acid catalysis, organometallic catalysis, and enzymatic catalysis are examples of homogeneous catalysis.
    • An advantage of homogeneous catalysis is that the catalyst mixes into the reaction mixture, allowing a very high degree of interaction between catalyst and reactant molecules.
  • Gas Diffusion and Effusion

    • Diffusion results in the gradual mixing of materials, and eventually, it forms a homogeneous mixture.
  • Heterogeneous Catalysis

    • Heterogeneous catalysis is a type of catalysis in which the catalyst occupies a different phase than the reaction mixture.
    • Catalysts can be divided into two types, homogeneous or heterogeneous, depending on the reaction phase that they occupy.
    • Homogeneous catalysts are those that occupy the same phase as the reaction mixture (typically liquid or gas), while heterogeneous catalysts occupy a different phase.
    • Generally, heterogeneous catalysts are solid compounds that are added to liquid or gas reaction mixtures.
    • For one, heterogeneous catalysts can be separated from a reaction mixture in a straightforward manner, such as by filtration.
  • Alloys

    • An alloy is a mixture or metallic solid solution composed of two or more elements.
    • An alloy is a mixture or metallic-solid solution composed of two or more elements.
    • Partial solutions give two or more phases that may or may not be homogeneous in distribution, depending on thermal history.
    • Partial solutions give two or more phases that may or may not be homogeneous in distribution, depending on thermal history.
    • However, for most alloys, there is one particular proportion of constituents, known as the "eutectic mixture," at which the alloy has a unique melting point.
  • Models with Both Quantitative and Qualitative Variables

    • A regression model that contains a mixture of quantitative and qualitative variables is called an Analysis of Covariance (ANCOVA) model.
    • Homogeneity of Variances.
    • Homogeneity of Regression Slopes.
    • Test the Homogeneity of Variance Assumption.
    • Test the Homogeneity of Regression Slopes Assumption.
  • Structure, Type, and Location of Cartilage

    • If a thin slice of cartilage is examined under the microscope, it will be found to consist of cells of a rounded or bluntly angular form, lying in groups of two or more in a granular or almost homogeneous matrix.
    • White fibrocartilage consists of a mixture of white fibrous tissue and cartilaginous tissue in various proportions.
  • The Chi-Square Distribution: Comparison Summary of the Chi-Square Tests Goodness-of-Fit, Independence and Homogeneity

    • Homogeneity: Use the Test for Homogeneity to decide if two populations with unknown distribution have the same distribution as each other.
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