AMMONIUM NITRATE

Essay specific features

 

Issue:

Science

 

Written by:

Gene E

 

Date added:

February 23, 2011

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 597

 

Was viewed:

3581 times

 

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Essay content:

We stirred the mixture until the Ammonium Nitrate was dissolved, so the amount of times we stirred after each teaspoon was different. - Each teaspoon may not have been equal. Measurements were made based on judgment and not exact measurements. ?« Controlled Variables - Amount of water used in each test was equal (100mls and 50mls)...
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Measurements were made based on judgment and not exact measurements. ?« Controlled Variables - Amount of water used in each test was equal (100mls and 50mls). - Total amount of Ammonium Nitrate used (150grams). - Temperature was measured after and exact time i.e. 1 minute, 2 minutes, 3 minutes. Equipment Trial test ?X 1 thermometer ?X 1 plastic teaspoon ?X Safety glasses ?X 100ml beaker ?X 30mls of water ?X 1 teaspoon of Ammonium Nitrate ?X 1 graduated cylinder ?X 1 stirring rod First Test ?X 1 thermometer ?X 1 plastic teaspoon ?X 1 stop watch ?X 1 stirring rod ?X Safety glasses X3 (one for each group member) ?X 250ml beaker ?X 1 graduated cylinder ?X 150 grams of Ammonium Nitrate ?X 100mls of water Second Test ?X 1 thermometer ?X 1 plastic teaspoon ?X 1 stop watch ?X 1 stirring rod ?X Safety glasses X3 (one for each group member) ?X 100ml beaker ?X 1 graduated cylinder ?X leftover from original 150 grams of Ammonium Nitrate ?X 50mls of water NOTE: The stirring rod was not used in the First and Second experiments, as it was not available...
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