1. Let’s talk… mole to mole
Stoichiopardy
Holy Moley
Do the 2 or 3 step
Let’s talk… mole to mole
Limit my Percent
Random
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Final Chempardy

2. $100 Question from Holy Moley
This is the branch of chemistry that deals with mass relationships in compounds and reactions.

3. $100 Answer from Holy Moley
What is Stoichiometry?

4. $200 Question from Holy Moley
In a chemical reaction, these numbers can be used to determine the mole ratio of any reactants and/or products.

5. $200 Answer from Holy Moley
What are coefficients?

6. $300 Question from Holy Moley
These are the units of molar mass.

7. $300 Answer from Holy Moley
What are g/mol?

8. $400 Question from Holy Moley
In the reaction represented by the equation 2Al2O3  4Al + 3O2, this is the mole ratio of Aluminum to Aluminum Oxide.

9. $400 Answer from Holy Moley
What is 2:1?

10. $500 Question from Holy Moley
This is the molar mass of Copper(II) Sulfate.

11. $500 Answer from Holy Moley
What is a 160 g/mol?

12. $100 Question from Mole to Mole
This is the coefficient of hydrogen gas in the balanced form of the following reaction:
H2 + O2  H2O

13. $100 Answer from Mole to Mole
What is 2?

14. $200 Question from Mole to Mole
This is the coefficient in front of nitrogen gas in the correctly balanced form of the equation:
NH4NO2  N2 + H2O

15. $200 Answer from Mole to Mole
What is 1?

16. $300 Question from Mole to Mole
This is the mole ratio of H2O to CH4 in the balanced form of the following reaction:
CH4 + O2  CO2 + H2O

17. $300 Answer from Mole to Mole
What is 2:1?

18. $400 Question from Mole to Mole
This is how many moles of LiOH are required to react 20 moles of CO2 in the following reaction:
CO2 + 2LiOH  Li2CO3 + H2O

19. $400 Answer from Mole to Mole
What is 40 moles?

20. $500 Question from Mole to Mole
In the balanced form of the following reaction, this is how many moles of ammonia are produced when 6 mol of hydrogen gas reacts completely:
N2 + H2  NH3

21. $500 Answer from Mole to Mole
What is 4 moles?

22. $100 Question from 2 or 3 Step
This is the amount of moles that are contained in 18 grams of water.

23. $100 Answer from 2 or 3 Step
What is 1 mole?

24. $200 Question from 2 or 3 Step
This is the mass of carbon dioxide that is needed to react with 3.00 mol of H2O in the following reaction (MM of CO2 = 44 g/mol):
6CO2 + 6H2O  C6H12O6 + 6O2

25. $200 Answer from 2 or 3 Step
What is 132 g.?

26. $300 Question from 2 or 3 Step
This is the mass of magnesium oxide produced from 2 moles of magnesium in the following reaction:
2Mg + O2  2MgO

27. $300 Answer from 2 or 3 Step
What is 81 g.?

28. $400 Question from 2 or 3 Step
This is the amount of moles of magnesium oxide that are needed to produce 125 grams of oxygen gas in the following reaction:
2MgO  2Mg + O2

29. $400 Answer from 2 or 3 Step
What is 7.8 g. of MgO?

30. $500 Question from 2 or 3 Step
This is the mass of aluminum produced by the decomposition of 5 g of Al2O3 according to the following reaction:
2Al2O3  4Al + 3O2

31. $500 Answer from 2 or 3 Step
What is 2.6 g.

32. $100 Question from Limit my Percent
This is the reactant which controls how much of any product will be made.

33. $100 Answer from Limit my Percent
What is the limiting reactant?

34. $200 Question from Limit my Percent
This is how you can tell you have a limiting reactant problem

35. $200 Answer from Limit my Percent
What is there are two amounts
Given in the problem?

36. $300 Question from Limit my Percent
The percent yield tells you a relationship between the _________ yield and actual yield of a certain product.

37. $300 Answer from Limit my Percent
What is theoretical?

38. $400 Question from Limit my Percent
If 75.0 g of CO reacts to produce 68.4 g of CH3OH, this is the percentage yield of CH3OH according to the following reaction:
CO + 2H2  CH3OH

39. $400 Answer from Limit my Percent
What is 79.7%?

40. $500 Question from Limit my Percent
When 2.00 x 103 g of CaCO3 decomposes according to the following equation, the actual yield of CaO is 1.05 x 103 g. This is the percent yield.
CaCO3  CaO + CO2

41. $500 Answer from Limit my Percent
What is 93.8%?

42. $100 Question from Random
At STP, how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water?

43. $100 Answer from Random
1.8 L

44. $200 Question from Random
Iron (III) Oxide is formed when iron combines with oxygen in the air. How many grams of Iron (III) oxide are formed when 16.7 g of Fe reacts completely with oxygen?

45. $200 Answer from Random
23.9g

46. $300 Question from Random
How many grams of chromium are needed to react with an excess of copper (II) Sulfate to produce 27.0g of Copper?
(The other product is Chromium (III) Sulfate)

47. $300 Answer from Random
14.7g

48. $400 Question from Random
How many liters of chlorine gas can be produced when 0.98L of HCL react with excess O2 at STP?

49. $400 Answer from Random
0.49L

50. $500 Question from Random
What is the limiting Reagent when 150.0g of Nitrogen reacts with 32.1 g of hydrogen to form Ammonia?

51. $500 Answer from Random
There is none, both produce 182g of Ammonia

52. Final Stoichiopardy
If 16.2 g of Mg are heated with 12.0 g. of H2O according to the following balance equation, what are the excess moles of the excess reactant?

53. Final Stoichiopardy Answer
What is mol of Mg