Chapter 10 Terms

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Across
  1. 6. a single compound breaks down into 2 or more simpler compounds, usually with heat applied
  2. 8. What does (aq) stand for?
  3. 9. a hydrocarbon or carbohydrate [CxHy] is burned in the presence of oxygen to yield CO2 and H2O
  4. 11. What does NR stand for?
  5. 12. substances that exist before a chemical reaction. Written on the left of the arrow.
  6. 13. two substances switch partners.
  7. 14. speeds up reaction without itself being changed
  8. 15. equation with spectator ions removed
Down
  1. 1. a number preceding atoms, ions or molecules in a balanced chemical equation showing relative number of each
  2. 2. an equation describing a chemical change using the names of the reactants and products
  3. 3. an acid and a base react to form a salt and water [HX + BOH --> BX + H2O]
  4. 4. 2 elements or 2 simple compounds become a more complex single compound
  5. 5. equation showing soluble salts written as individual ions
  6. 7. substances that come into existence as a result of a reaction. Written on the right of the arrow
  7. 10. one element displaces another in a compound. The displaced element must be lower in the Activity Series. [A + BC --> B + AC]