Balaeqnpractice table andprelab
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Balaeqnpractice table andprelab

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Balaeqnpractice table andprelab Balaeqnpractice table andprelab Presentation Transcript

  • 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 "Hs" do you have? ________________How many “S”s?_________ Table 1: Chemical Equations Make the following Chemical Equation Reactants Products Type of reactionEquations 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