Chem chapter 11 vocab.txt

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jtoner2009
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190594
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Chem chapter 11 vocab.txt
Updated:
2012-12-25 21:06:22
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chem
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  1. Activity series
    The activity series of metals lists metals in order of decreasing reactivity
  2. Balnaced equation
    A chemical reaction in which each side of the equation has the same number of atoms of each element and mass is conserved
  3. Catalyst
    A substance that speeds up the reaction, but is not used up in the reaction
  4. Chemical equation
    Is a representation of a chemical reaction.
  5. Coefficients
    Small whole numbers that are placed in front of the formulas in an equation in order to balance it
  6. Combination reaction
    Is a chemical change in which 2 or more substances react to form a singal new substance
  7. Combustion reaction
    Is a chemical change in which an element or a compound reacts with O, often producing energy in a form of heat or light
  8. Complete ionic equation
    An equation that shows dissolved ionic compounds as dissocialted free ions
  9. Decompostion reaction
    A chemical change in which a single compound breaks down into 2 or more simpler products
  10. Double-replacement reaction
    A chemical change involving an exchange of positive ions between two compounds.
  11. Single-replacment reaction
    A chemical change in which one element replaces a second element in a compound
  12. Skeleton equation
    A chemical equation that does not indicate the relative amounts of the reactants and products
  13. Spectator ion
    An ion that appears on both sides of an equation and is not directly involved in the reaction
  14. Aqueous solution
    Is water that contains dissolved substances
  15. Solvent
    Is the dissolving medium in a solution
  16. Solute
    Are the dissolved particules in a solution
  17. Solvation
    The process by which the positive and negative ions of an ionic solid become surronded by solvent molecules state
  18. Hydrate
    A compound tht contains water of hydrogen
  19. Suspension
    Is a mixture from which settle out upon standing
  20. Colloid
    Is a hetrogeneous mixture containing particules that range in size from 1nm to 1000 nm
  21. Tyndell effect
    The scattering of visible light by colloidal
  22. Brownian motion
    The chaotic movement of colloidal particules, which was first observed by the scotish botanist Robert Brown (1773-1858)
  23. Emulsion
    Is a colloidal dispersion of a liquid in a liquid
  24. Solubility
    Of a substance is the amount of solute that dissolves in a given quanity of a solvent at a specific tempurature and presure

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