Experiment 14 Endo- and Exo- Energy's Comings and Goings

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Experiment 14 Worksheet: Endo- and Exo- Energy’s Comings and Goings

Purpose: (A statement should be made here regarding what your experiment is designed to accomplish)

 

 

Procedure: (Describe here how you went about completing your experiment. Use enough detail that someone could repeat it if necessary.  Also reference any books or manual you may have used to assist you.)

 

 

Data:  

Observations of the reaction between KCl & Water:

 

 

 

(Complete the Table using experimental results for the KCl and Water )


Time (sec)

Temperature (oC)

0

 

15

 

30

 

45

 

60

 

75

 

90

 

105

 

120

 

Observations of the reaction between KOH and water:

 

 

(Complete the Table using experimental results for the KOH and water reaction)


Time (sec)

Temperature (oC)

0

 

15

 

30

 

45

 

60

 

75

 

90

 

105

 

120

 

 

 

Calculations:

Calculate the DT (DT = TF – TI) for the reaction between KCl and water.

 

Based on your DT, is the reaction endothermic or exothermic? Explain:

 

Calculate the DT  (DT = TF – TI) for the reaction between KOH and water:

 

Based on your DT, is the reaction endothermic or exothermic? Explain:

 

 

Conclusions: (Summarize your results here and discuss possible errors that may have occurred during the testing.)

 

 

 

 

 

 

 

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Overview | Module | Background | Procedure | Report