1. Chemistry Chapter 12 Review Game

2. Balancing Chemical Equations Stoich #1 (easy) Stoich #2 (more difficult) % Yield 1 point 1 point 1 point 1 point 1 point 1 point 1 point 1 point 2 points 2 points 2 points 2 points 2 points 2 points 2 points 2 points 3 points 3 points 3 points 3 points 3 points 3 points 3 points 3 points 4 points 4 points 4 points 4 points 4 points 4 points 4 points 4 points 5 points 5 points 5 points 5 points 5 points 5 points 5 points 5 points

3. Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide and water. 1 pointCheck

4. What is… 3 CaCO 3 + 2 H 3 PO 4  Ca 3 (PO4) 2 + 3 CO 2 + 3 H 2 O? 1 point Back to Category Slide

5. Iron (III) sulfide reacts with oxygen to form iron (III) oxide and sulfur dioxide. 2 pointsCheck

6. What is… 4 FeS 2 + 11 O 2  2 Fe 2 O 3 + 8 SO 2 ? 2 points Back to Category Slide

7. Ammonium nitrate decomposes to nitrogen, water and oxygen. 3 pointsCheck

8. What is… 2 NH 4 NO 3  2 N 2 + 4 H 2 O + O 2 ? 3 points Back to Category Slide

9. Manganese oxide reacts with potassium hydroxide, oxygen and chlorine to form potassium permanganate, potassium chloride and water. 4 pointsCheck

10. What is … 2 MnO 2 + 4 KOH + O 2 + Cl 2  2 KMnO 4 + 2 KCl + 2 H 2 O? 4 points Back to Category Slide

11. Nitric acid and zinc react to form zinc nitrate, ammonium nitrate and water. 5 pointsCheck

12. 5 points Back to Category Slide What is… 4 Zn + 10 HNO 3  4 Zn(NO 3 ) 2 + NH 4 NO 3 + 3 H 2 O?

13. This allows you to convert from substance A to substance B. 1 pointCheck

14. What is mole to mole ratio? 1 point Back to Category Slide

15. N 2 + 3 H 2  2 NH 3 The number of moles of H 2 I started with if I have 4.8 mol of ammonia 2 pointsCheck

16. What is 7.2 mol of H 2 ? 2 points Back to Category Slide

17. N 2 + 3 H 2  2 NH 3 The number of H atoms in ammonia if I have 28.3 grams of H 2. 3 pointsCheck

18. What is 1.70 x 10 25 H atoms? 3 points Back to Category Slide

19. N 2 + 3 H 2  2 NH 3 23.9 g of ammonia are produced. The volume of nitrogen gas (assume STP). 4 pointsCheck

20. What is 15.7 liters of N 2 ? 4 points Back to Category Slide

21. N 2 + 3 H 2  2 NH 3 I have 140,000 H atoms. The number of ammonia molecules I can produce with excess nitrogen. 5 pointsCheck

22. What is 47,000 ammonia molecules? 5 points Back to Category Slide

23. Use the following equation for #’s 2-5 2 C 2 H 2 + 5 O 2  4 CO 2 + 2 H 2 O 1 pointCheck

24. Use the following equation for #’s 2-5 2 C 2 H 2 + 5 O 2  4 CO 2 + 2 H 2 O 1 point Back to Category Slide

25. 2.0 g of acetylene react with 6.0 g of oxygen. This is my limiting reactant. 2 pointsCheck

26. What is oxygen? 2 points Back to Category Slide

27. The number of grams of water that are produced when 2.0 g of C 2 H 2 react with 6.0 g of O 2. 3 pointsCheck

28. 3 points Back to Category Slide What is 1.4 grams of water?

29. The number of acetylene molecules we started with if we produced 28.7 g of CO 2. 4 pointsCheck

30. 4 points Back to Category Slide What is 1.96 x 10 23 molecules of C 2 H 2 ?

31. 1,500 mL of acetylene react with excess oxygen. The number of liters of carbon dioxide that are produced. 5 pointsCheck

32. What is 3.0 liters of carbon dioxide? 5 points Back to Category Slide

33. The formula for % yield. 1 pointCheck

34. What is… (Actual / Theoretical) x 100? 1 point Back to Category Slide

35. If 15.0 g of nitrogen reacts with 15.0 g of hydgrogen, 10.5 g of ammonia is produced. The percent yield of this reaction. 2 pointsCheck

36. What is 57.7%? 2 points Back to Category Slide

37. Three reasons % yield can’t be more than 100%. 3 pointsCheck

38. What is impure reactants, competing side reactions, and human error? 3 points Back to Category Slide

39. The % yield when a test yields 12.3 mg of product A. According to the book, it should have yielded 0.133 dg. 4 pointsCheck

40. What is 92.5%? 4 points Back to Category Slide

41. The amount of product that needs to be made in a lab with a 95.5% yield. Assume a theoretical yield of 23.9 grams. 5 pointsCheck

42. What is 22.8 grams? (actual) 5 points Back to Category Slide