Chemical reaction Assignment | Online Assignment

Write 2 paragraph summary of the experiment you observed on any side of the worksheet and complete the worksheet

Chem. 108 -07 Lab.                                     Chemical Reactions

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Write summary of the experiment you observed and complete the following worksheet

Name: _________________________________                   CHE 108 section ________________

 

Lab Patner: _____________________________                   Experiment date:_________________

 

Introduction to Chemical Reactions

For each of the reactions performed, — predict the reaction type (combination, decomposition,

combustion, single or double displacement)

— record your observations : Your observation includes color and physical state.    Physical state:   solid (s)  or precipitate (ppt)  : a solid  insoluble in water,      g : gas        and l : liquid

 

— write the balanced “molecular” equation, including all physical              states.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1: Zinc metal + hydrochloric acid

Reaction type:

Observations:

Balanced equation:

 

2: Copper metal + aqueous silver nitrate

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

 

3: Aqueous iron(III) chloride + aqueous ammonium hydroxide

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

 

 

4: Solid sodium bicarbonate + acetic acid

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

 

5: aqueous magnesium sulfate + aqueous sodium carbonate

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

 

6: aqueous lead(II) nitrate + aqueous potassium iodide

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

7 magnesium + oxygen

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

 

 

8: magnesium oxide + water

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

9: Aqueous sodium chloride + aqueous potassium nitrate

Reaction type

 

Observations:

 

 

Balanced Equation:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Questions

Consider reactions 3, 6 and 9 studied in this lab.  Write the balanced molecular equation (identical to what you completed in the previous section), the complete ionic equation and the net ionic equation for these reactions. Include all physical states, and circle the spectator ions in the complete ionic equations.

Reaction 3: Aqueous iron(III) chloride + aqueous ammonium hydroxide

Balanced Molecular Equation (from page 1):

 

Complete Ionic Equation:

 

Net Ionic Equation:

 

Reaction 6: aqueous lead(II) nitrate + aqueous potassium iodide

Balanced Molecular Equation (from page 2):

 

Complete Ionic Equation:

 

Net Ionic Equation:

 

 

Reaction 9: Aqueous sodium chloride + aqueous potassium nitrate

Balanced Molecular Equation (from page 3):

 

Complete Ionic Equation:

 

Net Ionic Equation:

 

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