Kinetics and Reaction Rate: Cyclopropane Isomerization to Propene at 500°C

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Homework Statement



cyclopropane isomerises to propene at a temperature of 500[tex]\circ[/tex]C. The kinetics of the reaction was studied by measuring the volume of propene formed at every minute. The results obtained were tabulated below:

Plot these experiemntal results graphically.

*please follow this link to see the graph:
2wf25ok.jpg


Use your graph to explain how the experimental results justify that the isomerisation is a fisrt order reaction.


The Attempt at a Solution



ok, i know that if the reaction is first order, the half life of the graph should remain constant.

the problem is that the graph is about the volume of propene formed and not of the volume of cyclopropane isomerising.

how should i verify that this reaction is first order?
 
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Read through this page. http://www.science.uwaterloo.ca/~cchieh/cact/c123/rate.html In it, you will find information about a certain way to plot your data that should give you a straight line if your reaction exhibits first order kinetics.