Physical Science- Chemical Reactions

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Across
  1. 3. Reaction that involves a hydrocarbon reacting with oxygen
  2. 4. One of the factors that can affect equilibrium by squeezing things
  3. 5. The smaller the particles, the faster a reaction occurs because the ___________ is larger.
  4. 9. Reaction that combines 2 or more substances into 1
  5. 13. substances that undergo changes in a reaction
  6. 18. One of the products of a combustion reaction
  7. 19. Chemical reactions involve the __________ of chemical bonds in the reactants
  8. 20. representation of a chemical reaction
  9. 21. new substances made in a chemical reaction
  10. 22. Reactants are found on the _________ side
  11. 23. One of the factors that affect the rate because the particles are moving faster
  12. 26. Reaction that has 1 substance fall apart into 2 or more producta
  13. 28. Replacement reaction where 2 elements switch places in 2 different compounds
  14. 29. Element with the symbol Au
  15. 30. reaction that gives off energy to the surroundings
  16. 32. reaction that absorbs energy from the surroundings
  17. 33. a chemical change where atoms are rearranged is called a _________
  18. 34. The arrow in a chemical equation is read as ________
  19. 35. This is the state where the forward and reverse reactions balance
Down
  1. 1. Element with the symbol Mg
  2. 2. These are used to write chemical formulas
  3. 6. Law of ___________ of Mass means matter is neither created nor destroyed
  4. 7. A higher _____________ of reactants can speed a reaction up since there are more particles.
  5. 8. This helps speed a reaction because the particles are moved around more in the container.
  6. 10. One of the products of a combustion reaction
  7. 11. A substance that speeds a reaction without being used up.
  8. 12. Element with the symbol K
  9. 14. The energy stored in the chemical bonds of a substance
  10. 15. Chemical reactions involve the __________ of chemical bonds in the products
  11. 16. Reaction that involves the transfer of electrons between atoms
  12. 17. These are used to balance chemical equations
  13. 24. Replacement reaction where 1 element is switched out
  14. 25. Products are found on the _________ side
  15. 27. The type of reaction that can go back to reactants
  16. 31. Reaction _________ describes how fast a reaction occurs