Diffusion and osmosis

Essay specific features

 

Issue:

Science

 

Written by:

Robert K

 

Date added:

February 19, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

7 / 1936

 

Was viewed:

6383 times

 

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Essay content:

The cotton wool (with the ammonium hydroxide) was then placed in to a diffusion tube containing around 10 pieces of curled red litmus paper lined up from one end of the diffusion tube to the other. I had observed the diffusion tube carefully when approximately a minute later I noticed the first litmus paper had changed colour from pink to blue...
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About five minutes later the second red litmus paper in line had also changed from pink to blue. Two days later the entire tube had changed colour from pink to blue, thus proving that diffusion had occurred. 4. Using my knowledge of diffusion I can easily state that the change of colour the red litmus paper had (from pink to blue) occurred through the act of diffusion...
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