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Chemistry Rates of Reaction Coursework: Sodium thiosulphate and hydrochloric acid

Essay specific features

 

Issue:

Science

 

Written by:

Frank M

 

Date added:

June 17, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 986

 

Was viewed:

9989 times

 

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Essay content:

The same person must do the timing and watch the cross through the top of the flask, because different people have different reaction times. The concentration of acid used will be: 1.0M, 0,8M, 0.6M, 0.4M and 0.2M. Apparatus The apparatus for the test is: ? A 100ml conical flask ? A piece of paper with a black cross drawn on it ? Sodium thiosulphate ? Hydrochloric acid ? 2 measuring cylinders ? one 10ml and one 25ml ? Stopwatch Prediction Using the particle collision theory, I predict that the less concentrated the acid the slower the cross will disappear...
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The same person must do the timing and watch the cross through the top of the flask, because different people have different reaction times. The concentration of acid used will be: 1.0M, 0,8M, 0.6M, 0.4M and 0.2M. Apparatus The apparatus for the test is: ? A 100ml conical flask ? A piece of paper with a black cross drawn on it ? Sodium thiosulphate ? Hydrochloric acid ? 2 measuring cylinders ? one 10ml and one 25ml ? Stopwatch Prediction Using the particle collision theory, I predict that the less concentrated the acid the slower the cross will disappear...
displayed 300 characters

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