Chemistry 2.4 a level electrochemistry

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Across
  1. 3. Process where electricity decomposes ionic compounds
  2. 4. HYDROGEN Reference electrode assigned a potential of zero volts
  3. 6. Cell that generates electricity from a spontaneous redox reaction
  4. 12. Abbreviation for standard hydrogen electrode
  5. 13. CELL Classic cell of zinc and copper half-cells
  6. 14. BRIDGE Connects half cells and maintains electrical neutrality
  7. 15. Constant position determining electrode potential value
  8. 18. Cell that requires electrical energy to drive a reaction
  9. 20. Predicted by positive overall cell potential in electrochemistry
  10. 21. ACTIVITY Effective concentration of ions affecting electrode potentials
  11. 24. POTENTIAL Indicates a species is a strong reducing agent if highly negative
  12. 25. FORCE Another term for cell potential under standard conditions
Down
  1. 1. INERTNESS Property of platinum in standard hydrogen electrode
  2. 2. SERIES Table of standard reduction potentials ranked numerically
  3. 5. Inert electrode often used for SHE or gas electrodes
  4. 7. Equation calculating electrode potential under non-standard conditions
  5. 8. Reaction occurring without external energy input if EMF is positive
  6. 9. ELECTRODE Provides a stable potential for measuring other half-cells
  7. 10. COUPLE Pair of oxidised and reduced forms in a half-cell reaction
  8. 11. CELL Cell with same electrodes but different ion concentrations
  9. 16. POTENTIAL Value indicating tendency of a species to gain electrons
  10. 17. ION Formation Can alter electrode potential of transition metals
  11. 19. Reaction where an element is simultaneously oxidised and reduced
  12. 22. AGENT Substance that donates electrons and itself becomes oxidised
  13. 23. POTENTIAL Indicates a species is a strong oxidising agent if highly positive