Across
- 3. A reaction which releases energy in the form of heat into the surrounding environment is __thermic.
- 4. Haematite is a common example of this (two words)
- 5. The best person at Orkeeswa
- 6. An ___________ collision is a collision which succeeds in producing a chemical reaction
- 8. Added to the blast furnace to 1) produce the reducing agent and 2) burn to produce the necessary heat energy for the process
- 10. Increasing the concentration of Nitrogen in the Haber process shifts the equilibrium to the______
- 12. Increasing the concentration of a ___________ will increase the rate of reaction
- 13. An example of a strong electrolyte
- 17. In the electrolysis of copper sulphate solution copper is discharged in preference to hydrogen because it is _______ in the electrochemical series
- 18. Evaporation of water and photosynthesis are examples of this type of reaction
- 20. A naturally occurring solid material from which a metal or valuable mineral can be extracted
- 22. In a blast furnace this gas reduces iron oxide to give iron and carbon dioxide
- 23. An example of a weak electrolyte
- 24. These migrate to the anode
- 25. The process of obtaining a pure form of metal from their natural ores
- 26. This is mixed with sodium chloride to reduce the melting point of the electrolyte in the Downs cell
- 32. The energy that must be overcome by the reactants in order for a chemical reaction to occur
- 33. One of the raw materials needed for the extraction of iron from iron ore
- 35. The substance introduced at the bottom of a blast furnace (two words)
- 36. The process of industrial production of ammonia
Down
- 1. A product of the electrolysis of dilute NaCl solution
- 2. The number of moles of aluminium which would be deposited after the conduction of 12 Faradays of charge
- 3. When forward and backwards reaction rates are equal
- 7. A reaction in which The reactants have more energy than the products; therefore the products are more stable
- 9. A reversible reaction where forward and backwards reactions take place at the same time
- 11. The positive electrode in an electrolytic cell
- 14. These ions are positive
- 15. Catalyst in the Haber Process
- 16. Increasing the concentration of Nitrogen in the Haber process increases the rate of reaction in the _________ direction
- 19. Another product of the electrolysis of dilute NaCl solution
- 21. In an endothermic reaction delta H is ______
- 27. Increasing the pressure in the Haber process shifts the equilibrium to the ________
- 28. A substance which alters the rate of reaction but remains chemically unchanged
- 29. Increasing the temperature in the Haber process shifts the equilibrium to the ________
- 30. This happens to copper ions at the cathode
- 31. The total energy required to break the bonds is lower than the energy required to form new bonds in an _____thermic reaction.
- 34. We might use AgNO3 as the electrolyte if we wanted to add a layer of this metal to an object