Predicting Reactions AP Style

Practice Writing Equations for Reactions: Write the equation for each reaction in net ionic format. There is a reaction in each case. Do not balance.  LINK TO ANSWERS AT END OF PRACTICE.

1. Sodium sulfite crystals are added to water.

2. Solid potassium dichromate is added to an aqueous solution of lead (II) nitrate.

3. Calcium carbonate chips are added to excess nitric acid.

4. Hydrogen sulfide gas is bubbled through a solution of cadmium nitrate.

5. Solutions of acetic acid and sodium carbonate are mixed.

6. Hydrogen chloride gas is bubbled through water.

7. Solutions of carbon dioxide gas and ammonia gas are mixed.

8. Solid lithium oxide is added to water.

9. Sulfur trioxide gas is bubbled through a solution of sodium hydroxide.

10. A mixture of the solid calcium oxide and solid tetraphosphorous decaoxide is heated.

11. Solid magnesium carbonate is heated in a crucible.

12. Solid phosphorus trichloride is added to water.

13. Solid sodium cyanide is added to water.

14. Solid zinc nitrate is treated with excess sodium hydroxide solution.

15. An aqueous solution of diamminesilver chloride is treated with dilute nitric acid.

16. A suspension of copper(II) hydroxide in water is treated with an excess of ammnonia

17. Gaseous boron hydride gas is mixed with ammonia gas

18. Boron trifluoride is added to gaseous trimethylamine

19. Gaseous silane (SiH4) is burned in excess oxygen.

20. Magnesium ribbon is burned in pure nitrogen gas.

21. An aqueous hydrogen peroxide solution is added to an acidified solution of potassium iodide.

22. Dilute potassium permanganate solution is added to an oxalic acid solution which was acidified with a few drops of sulfuric acid.

23. A solution containing tin (II) ion is added to acidified potassium dichromate.

24. A segment of copper wire is added to dilute nitric acid.

25. Sodium dichromate solution is added to acidified solution of sodium iodide.

26. Sodium hydride crystals are added to water.

27. Powdered iron is added to a solution of iron (II) sulfate.

28. Chlorine gas is bubbled through a solution of potassium bromide.

29. Solid sodium is added to water.

30. A dilute solution of sulfuric acid is electrolyzed between platinum electrodes.