lab report

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Issue:

Science

 

Written by:

Jennifer P

 

Date added:

January 19, 2011

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 356

 

Was viewed:

1116 times

 

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Essay content:

We then added the HBr, our alcohol and sulfuric acid to the round bottom flasks and began heating to a boiling using a low setting to avoid loss of HBr. We had to use an excess of the HBr to complete the reaction. Our apparatus with 1-pentanol started heating at 2:15pm with 57c temperature and the other group with 3-methyl-1-butanol at around 2:20pm...
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After 10 minutes we increased the temperature to 66c and reflux started to initiate at about 2:40pm and the other group at 2:45pm. We had to increase the temperature to 80c because it did not start boiling for a long time. At about 3:00pm two layers started to form. Our organic layer had a light brown color while the other group’s was way darker than us and since we used two different alcohols that could be the reason we saw two different colors...
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