1. Bell Work NH 3 + O 2  N 2 + H 2 O How many moles of oxygen react with 0.23 moles of NH 3 ?

2. Limiting Reagent

3. Game of Ratios Make a Table Write the ratios Write multiple ratios

4. O 2 + 2NO  2NO 2 Amt O2Amt NOAmt NO2 Limiting Reactant Excess 1 molecule 2 molecule 4 molecule 2 molecule 8 molecule

5. Complete Worksheet Numbers 1 to 18

6. Questions What would be different if you had mass instead of moles? What is the difference between a limiting reagent and excess reagent?

7. More Practice Open the Link virtual lab link

8. C 1 1 H 4 2 O 2 3

10. ID the limiting reagent. How do you know?

11. ID the limiting reagent. How do you know?

12. Balance the equation Go to the virtual lab and check the answer.

13. 2 reactants that you can control Go to the virtual lab and select different number of moles. Copy and fill in the table on the next page.

14. Moles C2H6 Moles O2 Moles CO2 Excess? Circle the Limiting Reagent, Calculate the moles CO2, Calculate Excess