Chemical Reactions

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Across
  1. 2. a displacement reaction that occurs when two compounds exchange elements/ions to form two new compounds
  2. 5. a chemical compound that is composed of hydrogen and carbon
  3. 6. a reaction during which two chemical substances combine to form one product
  4. 8. a reaction that occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide, water vapor and heat
  5. 11. a reaction during which a chemical compound breaks down into two or more substances
  6. 12. this symbol is used to represent heat in a chemical equation
Down
  1. 1. a reaction that occurs when an acid and a base react with each other to form a salt and water
  2. 3. this term describes a substance that has been dissolved in water
  3. 4. this term describes a reaction that absorbs heat
  4. 7. this term describes a reaction that releases heat
  5. 9. a displacement reaction that occurs when an element displaces another element from a compound
  6. 10. this term describes a solid substance that is formed during the combining of aqueous substance