Vocab 7.1

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Across
  1. 6. the mass of one mole of a substance
  2. 10. an amount of a substance that contains approximately 6.02 x 10^23 particles of the substance
  3. 12. a chemical reaction in which the coversion of reactants into products and the conversion of products into reactants happens
  4. 15. a substance that undergoes change in a chemical reaction
  5. 16. In order to show that mass is conserved during a reaction a chemical equation must be balanced
  6. 18. a chemical reaction that absorbs energy from its surroundings
Down
  1. 1. a chemical reaction in which electrons are transferred from one reaction to another
  2. 2. a chemical reaction that releases energy to its surroundings
  3. 3. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  4. 4. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  5. 5. the rate at which reactants change into products overtime
  6. 7. a chemical reaction in which two or more substances react to form a single substance
  7. 8. a state in which the forward and reverse paths of a physical or chemical change take place at the same rate
  8. 9. a chemical reaction in which two compounds exchange positive ions and form two new compounds
  9. 11. a chemical reaction in which one element takes the place of another element in a compound
  10. 13. the energy stored in chemical bonds
  11. 14. a chemical reaction in which a compound breaks down into two or more simpler substances
  12. 16. a substance that affects the rate of a chemical reaction with out being used up in the reaction
  13. 17. new substances formed as a result of a chemical reaction