Chemical Reactions Problem Set

 



  1. For the following reactions: Name the reactants and products, Balance the equation, Calculate the molecular weight of the reactants and products, Classify the reaction type.
    1. Fe2O3 (s ) + CO (g) -> FeO (s) + CO2 (g)
    2. FeO (s) + CO (g) -> Fe (s) + CO2 (g)
    3. C12H22O11 (s) + O2 (g) -> CO2 (g) + H2O (g)
    4. Fe (s) + O2 (g) -> Fe2O3 (s)
    5. Ca (s) + H2O (l) -> Ca(OH)2 (aq) + H2 (g)

  2. Write a balanced equation for the following reactions. Determine if any of the reactants or products are soluble in water. Classify the type of reaction. Identify any gas that is produced. Identify any precipitate that is produced. Are the reactants soluble in water? Is it a redox reaction? What is the oxidation number for each element in the reactants and the products?
    1. Aluminum metal is oxidized by oxygen (from the air) to form aluminum oxide.
    2. Sodium oxide reacts with carbon dioxide to form sodium carbonate.
    3. Calcium metal reacts with water to form calcium hydroxide and hydrogen gas.
    4. Potassium nitrate decomposes to form potassium nitrite and oxygen.
    5. Barium metal reacts with Iron (III) sulfate to produce barium sulfate and iron metal.
    6. Barium chloride reacts with sodium sulfate to produce barium sulfate and sodium chloride.
    7. Bismuth (III) oxide and zinc metal react to produce zinc (II) oxide and bismuth metal.
    8. Calcium metal reacts with phosphorus to produce calcium phosphide.
    9. Copper metal reacts with sulfuric acid and water to produce copper sulfate pentahydrate and sulfur dioxide.
    10. The combustion of decane.
    11. The combustion of pamoic acid (C23H16O4).
    12. A solution of hydrochloric acid reacts with a solid calcium bicarbonate to produce water, carbon dioxide, and calcium chloride.
    13. A solution of acetic acid reacts with solid iron (II) hydroxide.
    14. hydrofluoric acid reacts with sodium hydroxide.
  3. Determine if a precipitate forms when the following solutions are mixed. Write the overall equation, the total ionic equation, and the net ionic equation.
    1. A solution of sodium fluoride is mixed with a solution of barium nitrate.
    2. A solution of ammonium carbonate is mixed with a solution of calcium acetate.
    3. A solution of potassium bromide is mixed with a solution of ammonium sulfate.
    4. A solution of sodium chromate is mixed with a solution of barium sulfate.

  4. Fill in the following table of solubility. I
      F1- Cl1- Br1- I1- nitrate sulfate chlorate acetate carbonate sulfide hydroxide
    Li1+                      
    Na1+                      
    K1+                      
    Mg2+                      
    Ca2+                      
    Ba2+                      
    Sr2+                      
    Sr2+                      
    Ag1+                      
    Pb2+                      
    Hg22+                      
    NH41+                      
Solutions
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