Physical Science Chapter 6

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Across
  1. 1. Any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains elections) also called redox reaction
  2. 5. A part, substance, or element that lies beneath and supports another part, substance, or element; the reactant in reactions catalyzed by enzymes
  3. 6. A reaction in which one element or radical takes the place of another element or radical in a compound
  4. 7. A substance that forms in a chemical reaction
  5. 8. A state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
  6. 9. A chemical reaction that requires heat
  7. 13. A substance or molecule that participates in a chemical reaction
  8. 16. A substance that changes the rate of a chemical reaction without being consumed or changed significantly
  9. 17. A reaction in which a single compound breaks down to simpler substances
Down
  1. 2. The oxidation reaction of an organic compound, in which heat is released
  2. 3. A reaction in which two or more substances combine to form a new compound
  3. 4. A reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds
  4. 10. A chemical reaction in which heat is released to the surroundings
  5. 11. The process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
  6. 12. An organic group that has one or more elections avaliable for bonding
  7. 14. The energy released when a chemical compound reacts to produce new compounds
  8. 15. A type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed