Chemical Reactions Crossword

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Across
  1. 1. a reaction in which electrons are transferred from one reactant to another
  2. 6. a representation of a chemical reaction in which reactants and products are expressed as formulas
  3. 10. a reaction in which a compound breaks down into two or more simpler substances (AB --> A + B)
  4. 11. + CD --> AD + BC)
  5. 14. a reaction in which the conversion of reactants into products and the conversion of products into reactants can happen simultaneously
  6. 16. the substances that undergo change in a chemical reaction (the starting materials of a reaction)
  7. 17. the rate at which reactants change into reactants change into rpoducts
  8. 18. a chemical reaction that releases energy into its surroundings
Down
  1. 2. a reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  2. 3. a reaction in which two different compounds exchange positive ions and form 2 new compounds
  3. 4. a reaction in which one element take the place of an other element in a compound (A + BC --> AC + B)
  4. 5. the numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant to the product
  5. 7. a state in which the forward and reverse paths of change take place at the same rate
  6. 8. the energy stored in the chemical bonds of a substance
  7. 9. a chemical reaction that absorbs energy from its surroundings
  8. 12. the new substances that are formed as a result of a chemical reaction
  9. 13. a reaction in which 2 more more substances react to form a single substance (A + B --> AB)
  10. 15. a substance that affects the reaction rate without being used in the reaction