Chemisrty

Essay specific features

 

Issue:

Science

 

Written by:

Nancy W

 

Date added:

October 28, 2013

 

Level:

College

 

Grade:

A

 

No of pages / words:

1 / 278

 

Was viewed:

4019 times

 

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Essay content:

These are all signs of a chemical reaction. The reason I know that there was a chemical reaction taking place is because of the way magnesium reacted toward the Hydrochloric acid. And after four minutes the ribbon of magnesium was longer there. This is an example of covalent bonding because it two non metals...
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My hypothesis was to make and test hydrogen. In order for you to prove that it is hydrogen you need to hear the pop. There many errors that made my hypothesis wrong. One of them was that I had let go of the test tube when I was to hold it with pressure on the top of the tube. Which lead to way it didn’t pop...
displayed 300 characters

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