Science 5 extra

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Author:
craziibabe47
ID:
3265
Filename:
Science 5 extra
Updated:
2009-12-16 18:32:08
Tags:
science
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Description:
extra notes
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  1. signs of a chemical reaction
    • bubbles (gas)
    • color change
    • temperature change
    • solid forms
    • endothermic/extothermic
  2. ´╗┐high temperature: faster reaction

    large surface area: faster reaction
    concentrated solutions: faster reaction
    high pressure: faster reactions
    bulky molecules: faster reactions
    ´╗┐5 factors that effect the rate of a chemical reaction
  3. when a chemical reaction occurs, atoms are never ____
    destroyed
  4. in a chemical reaction, the ---> means
    yeilds
  5. enzymes ____
    can be used to speed up almost any chemical reaction
  6. the law of conservation of mass
    chemical reactions cannot create or destroy elements
  7. reactants
    left
  8. products
    right
  9. subscripts
    tell you the number of atoms
  10. coefficients
    tell the number of molecules

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