Chapter 2 chem vocab.txt

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Chapter 2 chem vocab.txt
2012-12-25 21:02:13

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  1. Chemical change
    A changes that produces with a different compostiob than the orginal matter
  2. Chemical property
    The ability of a substance to undergo a specific change
  3. Chemical reaction
    A change in which one or more reactants change into one or more products; characterized by thw breaking of the bonds
  4. Chemical symbol
    A one or two lettee representation of an element
  5. Compound
    A substance that contains two or more elements chemically compound in a fixed proprtion
  6. Distillation
    A process uses to seperate dissolved solids from liquids, in which is boiled to produce a vapour that is then condensed into a liquid
  7. Element
    The simplest form of matter that has a unique set of propiretes; and element can not be broken down into a simpler substance by chemical means
  8. Extensive property
    A property that depends on the amount of matter in a sample
  9. Filtration
    A process that separates a solid from that liquid in a hetrogeneous mixture
  10. Gas
    A form of mattee that takes shape and volume of its container; a gas has no definite shape or volume
  11. Heterogeneous mixture
    A mixture thats us not uniform in compostion; componets are not evenly distributed throughout the mixutre
  12. Homogeneous mixture
    A mixture that is a uniform in compostion; components are evenly distribuated and not easily distinguished
  13. Intensive property
    A property that depends on the type of matter in a sample, not the amount of matter
  14. Law of conservation of mass
    In any physical change or chemical reaction, mass is conserved; mass can be niether created nor destroyed
  15. Liquid
    A form of matter that flows, has a fixed volume and a indefinite shape
  16. Mass
    A measure of the amount of matter that an object conatins
  17. Mixture
    A physical blend of two or more substances that are not chemically combined
  18. Phase
    Any part of a sample with uniform compostions at which a substance exists as a solid, liquid or vapor
  19. Physical change
    A xhange in whuch some properites of a material change, but the compostion of the material does not change
  20. Physical property
    A quality or condition of a substance that can be observed or mesured without changing the substances sompostion
  21. Precipitate
    A solid that forms and settle out of a liquid mixture.
  22. Product
    A substance produces in a chemical reaction
  23. Reactant
    A substance presant at the start of a reaction
  24. Solid
    A form of matter that has a definite shape and volume
  25. Substance
    Matter that has a uniform and definite compostions; either an element or a compound
  26. Vapor
    Describes the gaseous state of a substance that is generally a liquid or a solid at room temp
  27. Volume
    A measure of the space occupied by a sample of matter
  28. Solution
    A homogeneous mixture, consists of solutes disolved in a solvent