Chemistry level 2.2 (as and a level)

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Across
  1. 1. CHATELIER Principle predicting how equilibrium shifts with conditions
  2. 3. Reaction that absorbs heat energy from surroundings
  3. 5. Number of collisions occurring per second
  4. 6. A law stating total enthalpy change is independent of reaction route
  5. 10. Refers to equilibrium where reactions are still occurring
  6. 11. State where forward and reverse reactions occur at the same rate
  7. 13. How quickly reactants turn into products
  8. 16. CONSTANT Proportionality constant in the rate equation
  9. 17. Enthalpy change when one mole of a compound forms from its elements
  10. 20. Describes how concentration affects rate
  11. 21. Enthalpy change when one mole of a substance burns in oxygen
  12. 22. LIFE Time taken for concentration of reactant to halve
  13. 23. Minimum energy required for a reaction to occur
  14. 24. Conditions of 298 K and 100 kPa pressure
Down
  1. 2. Reaction that releases heat energy to surroundings
  2. 4. Heat change measured at constant pressure
  3. 7. AREA Increasing this often increases reaction rate for solids
  4. 8. Equilibrium constant in terms of concentrations
  5. 9. Enthalpy change when gaseous ions become aqueous
  6. 12. Step-by-step sequence of a reaction
  7. 14. Amount of product formed in a chemical reaction
  8. 15. Experimental method for measuring heat changes
  9. 18. Substance that increases reaction rate without being used up
  10. 19. ENTHALPY Energy needed to break one mole of bonds in gaseous molecules
  11. 21. Theory explaining how reactions occur