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Chemical Kinetics

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Chemical Kinetics Chemical kinetics is the study of how reactions occur and what makes them proceed faster. What can we do to speed up a chemical reaction? – PowerPoint PPT presentation

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Title: Chemical Kinetics


1
Chemical Kinetics Chemical kinetics is the study
of how reactions occur and what makes them
proceed faster.
What can we do to speed up a chemical reaction?
2
Adding Heat Add alka seltzer tablets to cold and
water and time how long it takes for the reaction
to end,
3
Add a Catalyst Add a couple of mL of hydrogen
peroxide to a test tube. Observe the absence of
bubbles. Observe the effect of adding MnO2.
4
Increasing Surface Area/Crushing Watch the
effect of increasing the surface area of
Lycopodium powder.
Lycopodium annotinum, Michigan
5
The Effect of Surface Area on a Chemical Reaction
  • How might a powder explosion occur?

What sort of manufacturing processes might cause
enough powder to form?
6
Washburn Mill as it appeared when the explosion
occurred, Minneapolis, Minn., May 2, 1878.
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