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  2. Mixture - Wikipedia

    en.wikipedia.org/wiki/Mixture

    A diagram representing at the microscopic level the differences between homogeneous mixtures, heterogeneous mixtures, compounds, and elements. Mixtures can be either homogeneous or heterogeneous: a mixture of uniform composition and in which all components are in the same phase, such as salt in water, is called homogeneous, whereas a mixture of ...

  3. Chemical substance - Wikipedia

    en.wikipedia.org/wiki/Chemical_substance

    The resulting compound has all the properties of a chemical substance and is not a mixture. Iron(II) sulfide has its own distinct properties such as melting point and solubility , and the two elements cannot be separated using normal mechanical processes; a magnet will be unable to recover the iron, since there is no metallic iron present in ...

  4. List of reagents - Wikipedia

    en.wikipedia.org/wiki/List_of_reagents

    organosulfur compound; used in petroleum refining and in petrochemical production processes; a reducing agent in ozonolysis reactions Dimethyl sulfoxide: an organosulfur compound; an important polar aprotic solvent that dissolves both polar and nonpolar compounds Dioxane: a heterocyclic organic compound; classified as an ether Ethanol

  5. Separation process - Wikipedia

    en.wikipedia.org/wiki/Separation_process

    A separation process is a method that converts a mixture or a solution of chemical substances into two or more distinct product mixtures, [1] a scientific process of separating two or more substances in order to obtain purity. At least one product mixture from the separation is enriched in one or more of the source mixture's constituents.

  6. Chemical compound - Wikipedia

    en.wikipedia.org/wiki/Chemical_compound

    A chemical compound is a chemical substance composed of many identical molecules ... Globally, more than 350,000 chemical compounds (including mixtures of chemicals ...

  7. Chemical composition - Wikipedia

    en.wikipedia.org/wiki/Chemical_composition

    The chemical composition of a mixture can be defined as the distribution of the individual substances that constitute the mixture, called "components". In other words, it is equivalent to quantifying the concentration of each component. Because there are different ways to define the concentration of a component, there are also different ways to ...

  8. Mixing ratio - Wikipedia

    en.wikipedia.org/wiki/Mixing_Ratio

    In atmospheric chemistry, mixing ratio usually refers to the mole ratio r i, which is defined as the amount of a constituent n i divided by the total amount of all other constituents in a mixture: = The mole ratio is also called amount ratio. [2]

  9. Category:Chemical mixtures - Wikipedia

    en.wikipedia.org/wiki/Category:Chemical_mixtures

    Pages in category "Chemical mixtures" The following 50 pages are in this category, out of 50 total. This list may not reflect recent changes. ...

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