Chemistry 2.4 a level electrochemistry
Across
- 3. Process where electricity decomposes ionic compounds
- 4. HYDROGEN Reference electrode assigned a potential of zero volts
- 6. Cell that generates electricity from a spontaneous redox reaction
- 12. Abbreviation for standard hydrogen electrode
- 13. CELL Classic cell of zinc and copper half-cells
- 14. BRIDGE Connects half cells and maintains electrical neutrality
- 15. Constant position determining electrode potential value
- 18. Cell that requires electrical energy to drive a reaction
- 20. Predicted by positive overall cell potential in electrochemistry
- 21. ACTIVITY Effective concentration of ions affecting electrode potentials
- 24. POTENTIAL Indicates a species is a strong reducing agent if highly negative
- 25. FORCE Another term for cell potential under standard conditions
Down
- 1. INERTNESS Property of platinum in standard hydrogen electrode
- 2. SERIES Table of standard reduction potentials ranked numerically
- 5. Inert electrode often used for SHE or gas electrodes
- 7. Equation calculating electrode potential under non-standard conditions
- 8. Reaction occurring without external energy input if EMF is positive
- 9. ELECTRODE Provides a stable potential for measuring other half-cells
- 10. COUPLE Pair of oxidised and reduced forms in a half-cell reaction
- 11. CELL Cell with same electrodes but different ion concentrations
- 16. POTENTIAL Value indicating tendency of a species to gain electrons
- 17. ION Formation Can alter electrode potential of transition metals
- 19. Reaction where an element is simultaneously oxidised and reduced
- 22. AGENT Substance that donates electrons and itself becomes oxidised
- 23. POTENTIAL Indicates a species is a strong oxidising agent if highly positive