Chemistry Crossword 3

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Across
  1. 1. reaction with one reactant (A → B + C)
  2. 3. net energy gained or lost in a reaction, Hprod - Hreac
  3. 5. starting materials in a reaction (consumed)
  4. 10. ratio of coefficients in units of moles
  5. 12. reaction with double compound on both sides (AB + CD → CB + AD)
  6. 17. reaction like burning (fuel + O2 → CO2 + H2O)
  7. 20. energy to start reaction
Down
  1. 2. law that states matter neither created nor destroyed (reactants = products)
  2. 4. process where heat is given off, Hreac > Hprod
  3. 6. reaction with compound + element on both sides (AB + C → CB + A)
  4. 7. end results in a reaction (created)
  5. 8. reactants must collide to react
  6. 9. reactant that is left over when reaction stops
  7. 11. in a reaction, products reform into reactants
  8. 13. process where heat is taken in, Hprod < Hreac
  9. 14. opposite changes at equal rates
  10. 15. reaction with one product (A + B → C)
  11. 16. reactant that limits amount of product (runs out first)
  12. 18. an equation with equal amounts of atoms in reactants and products
  13. 19. speeds up reaction by lowering activation energy