Energy

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Across
  1. 2. A graph showing the energy change in a reaction
  2. 3. Heat energy change measured at constant pressure
  3. 6. A reaction which gives out heat energy to the surroundings
  4. 7. A cell which produces electrical energy when hydrogen and oxygen react
  5. 9. A reaction which can go both forwards and backwards
  6. 12. The mean energy needed to break a particular type of covalent bond
  7. 13. A negative particle found in the shells of atoms
  8. 14. The substances reacted in a chemical reaction
  9. 18. An example of an exothermic reaction
  10. 19. A reaction where oxygen is added
  11. 20. A reaction which only goes one way (forwards)
  12. 22. The substances made in a chemical reaction
  13. 23. Ensuring there are sufficient resources/energy for now as well as for future generations
  14. 24. A process which is cost effective
Down
  1. 1. Two connected electrodes placed in an electrolyte to produce a voltage
  2. 4. A reaction where oxygen is removed
  3. 5. A use of an exothermic reaction
  4. 8. A measure of how much heat energy something has
  5. 10. A reaction which takes in heat energy from the surroundings
  6. 11. A piece of apparatus used to record the temperature
  7. 15. Minimum energy needed for a reaction to happen when 2 particles collide
  8. 16. Several cells connected together in series
  9. 17. A reaction between fuel and oxygen which gives out heat energy
  10. 21. A solution which conducts electricity