a recipe for stoichiometry

7/27/2019 A Recipe for Stoichiometry

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A Recipe for Stoichiometry

Directions: Answer the following questions and look on the key to find the directions for the recipe

1. 6.02 x 1023 atoms are in a ______________.

2. Balance the following equation. What is the mole ratio?

NaClO3 NaCl + O2

3. Using your balanced equation if you had 43 moles of NaClO3, how much O2 would you produce?

4. Using #2, if you produced 10 moles of NaCl how much NaClO3 did you start with?

5. If you started with 2.00 grams of NaClO3, how many moles of O2 gas did you form?

6. If 0.411 grams of O2 are produced, how many grams of NaCl are also produced?

7. According to the law of conservation of mass, all chemical equations must be ______________ with

the same number of each element on both sides.

8. After balancing an equation, the coefficients can be used to find the mole ________, which tells howthe different chemicals are related.

9. Balance the following reaction. What is the mole ratio?

KClO3(s) KCl(s) + O2(g)

10. Using # 9, what is the coefficient in front of O2?

11. Using # 9, what form of O2 do you produce?

12. Using # 9, if you produced 0.375 moles of O2, how moles of KCl did you also produce?

13. Using # 9, what form of KClO3 was used in the reaction?

14. Whats the opposite of chocolate?

15. Using # 9, if 15g of KCl were produced, how many grams of O2 were also produced?

16. Using #9, if I started out with 10 moles of KClO3, how many moles of KCl would I form?

17. There are 6.02 x 1023 molecules in a _____________.

18. Balance the following reaction, what is the mole ratio?

FeCl3 Fe + Cl2

19. When writing a reaction, what does the arrow stand for?

20. Using #18, if I produced 0.27 moles of Cl, how many grams of Fe did I also produce?


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21. Using #18, if I started with .0819 grams of FeCl3, how many grams of Fe would I produce?22. Using # 18, what coefficient was used in front of FeCl3 to balance the equation?

23. Is the reaction is balanced or unbalanced?

2Mg + O2 2MgO

24. The common name for H2O(s) is?

25. Balance the following equation:

H2 + O2 H2O

How many moles of oxygen gas would I need to form 1 mole of water?

26. Is the following reaction balanced or unbalanced?

CaCO3 + 2HCl CaCl2 + CO2 + H2O

27. Using #25, how many grams of water would be formed by reacting 1 mole of hydrogen gas?

28. Fill in the blank to this song,You ______ your left foot inYou take your left foot outYou ______ your left foot inAnd you shake it all aboutYou do the hokie pokieAnd you turn yourself around.

29. Using #25, how many moles of O2 do I need if I have 129 moles of H2?

30. 101 = ?

31. The burger joint on Inglewood before you get on the 405 freeway is called ___ -N-Out.

32. The arrow symbol stands for reacts to _________________

33. If I had $2.50, how many quarters would I have?

34. Is the following reaction balanced or unbalanced?

C(s) + H2O(g) CO2(g) + H2(g)

35. What is the mole ratio in problem #34?

36. The month of May is the ____th month of the year

37. 1 day : 24 hours as 1 hr: 60 ______________

38. Also the name of a tasty Mexican dish with a sauce containing chocolate.

39. Balance the following reaction

H2 + Cl2 HClWhat is the mole ratio?


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40. What did you just make?

a recipe for stoichiometry

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