1. Balancing Chemical Reactions Activity
A. Create the following table on one sheet of paper and place 2-3 of your names on it.
B. Answer the following pre-lab questions before beginning activity:
a. What number represents the Coefficient? ______________
b. What number represents the Subscript? _______________
5H2S
c. What element is represented by the letter "H"? ________ by “S”?__________
d. How many "H's" do you have? ________________How many “S”s?_________
Table 1: Chemical Equations
Make the following Chemical Equation
Reactants Products Type of reaction
Equations on your desk (balanced!)
1. H2 + O2 --> H2O
2. H2O2 --> H20 + O2
3. Na + O2 --> Na2O
4. N2 + H2 --> NH3
5. P4 + O2 --> P4O10
6. Fe + H2O --> Fe3O4
+ H2
7. C + H2 --> CH4
8. Na2SO4 + CaCl2 -->
CaSO4 + NaCl
9. C2H6 + O2 --> CO2 +
H2O
10. Al2O3 --> Al + O2