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Stoichiometry Finding quantities in chemical reactions.

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Presentation on theme: "Stoichiometry Finding quantities in chemical reactions."— Presentation transcript:

1 Stoichiometry Finding quantities in chemical reactions

2 C3H > 3CO2 + 4H2O If there are two moles of oxygen available, which mole ratio will tell you how much water is produced? A: 4 mol H20/1 mol O2 B: 5 mol O2/4 mol H2O

3 C3H > 3CO2 + 4H2O If there are 10 moles of C3H8, which mole ratio will tell you how much oxygen is required for the reaction to take place? A: 1 mol C3H8/5 mol O2 B: 5 mol O2/3 mol C3H8

4 C3H > 3CO2 + 4H2O Which ratio will tell you how much water is produced from the combustion of.5 moles of C3H8? A: 1 mol C3H8/4 mol H2O B: 2 mol H2O/1 mol C3H8

5 4Al + 3O2 --> 2Al2O3 Which mole ratio describes how much oxygen is required to produce 10 moles of product? A: 2 mol Al2O3/3 mol O2 B: 3 mol O2/3 mol Al2O3

6 4Al + 3O2 --> 2Al2O3 Which mole ratio tells you how much product is produced from three moles of aluminum? A: 2 mol Al2O3/4 mol Al B: 3 mol Al/2 mol Al2O3

7 ZnO + 2HCl --> ZnCl2 + H2O Which mole ratio tells you how to find the amount of water produced from two moles of zinc oxide? A: 1 mol H2O/1 mol ZnO B: 1 mol ZnO/1 mol H2O

8 ZnO + 2HCl --> ZnCl2 + H2O Which mole ratio tells you have to find how much HCl is required to get 8 moles of ZnCl2? A: 4 mol HCl/1 mol ZnCl2 B: 1 mol ZnCl2/2 mol HCl

9 ZnO + 2HCl --> ZnCl2 + H2O Classify the above reaction. A: synthesis B: decomposition C: single replacement D: double replacement E. combustion

10 2H2O2  2H2O + O2 Given 1.34 mol H2O2 find moles of O2

11 2H2O2  2H2O + O2 Given 1.34 mol H2O2 find moles of water

12 Fe2O3 + 2Al  2Fe + Al2O mol Fe2O3 find moles of Al

13 Fe2O3 + 2Al  2Fe + Al2O mol Fe2O3 find moles of iron

14 Fe2O3 + 2Al  2Fe + Al2O mol Fe2O3 find moles of aluminum oxide


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