2.  What factors affect the rate of reaction and what theory explains this?  What happens to energy during reactions?  How can humans use this to help them in day to day life and what are the consequences of this use?

3. AOIGUIDING QUESTION  Human Ingenuity  How have humans used their knowledge of chemistry to overcome or control the laws of nature and is this a good thing?

13. Officials examine Gothenburg grain silo after explosion By The Associated Press -

26. Industrial and chemical engineers are not satisfied with just turning one substance into another. The want to obtain products as rapidly, easily and cheaply as possible. To do this they must understand how chemical reactions work!

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