Reaction Worksheet #1 Synthesis and Decomposition by murplelake77

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									        Reaction Worksheet #1                                         Synthesis and Decomposition

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For each of the following reactions, write the overall balanced reaction with descriptive symbols ( (s), (l), (g),
(aq), Δ). Then, write the balanced net ionic reaction. Then, answer the one question about each reaction.


1. Sulfur dioxide gas is bubbled through a solution of distilled water.
       overall:


       net ionic:


       What is the oxidation number of sulfur in the product?

2. Ammonium carbonate chunks are heated.
     overall:


       net ionic:


       Is this reaction exo- or endothermic?

3. Aluminum oxide powder is sprinkled into warm distilled water.
      overall:


       net ionic:


       Would the product solution be basic, neutral, or acidic?

4. Solid barium oxide is stirred into water.
       overall:


       net ionic:


       What is one solution that would make a precipitate when mixed with the product in this reaction?


5. Graphite (solid carbon) is burned in air.
      overall:


       net ionic:


       Which element was oxidized in this reaction?
6. Magnesium ribbon is burned in air.
      overall:


       net ionic:


       Which element is reduced in this reaction?

7. Hydrogen peroxide solution undergoes catalytic decomposition a using sodium iodide catalyst.
      overall:


       net ionic:


       How much sodium iodide would be present after the reaction?

8. Ethene and hydrogen gases are mixed and sparked.
      overall:


       net ionic:


       What is the hybridization at each carbon in the product?

9. Sodium oxide powder is warmed and has carbon dioxide gas blown across it.
      overall:

       net ionic:

       What is the molecular geometry of carbon dioxide?

10. Diphosphorus trioxide powder is stirred into distilled water.
      overall:

       net ionic:

       Is the phosphorus oxidized, reduced, or neither in this reaction?

11. Sodium metal is dropped into a chlorine gas atmosphere.
      overall:

       net ionic:

       Which element is the oxidation agent in this reaction?

12. Solid boron trifluoride is introduced into an ammonia atmosphere.
      overall:

       net ionic:

       What is the molecular geometry of the boron trifluoride?

								
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