Humboldt State University ® Department of Chemistry

Richard A. Paselk

Science 331
Fall 2004 Lecture/Activity Office: SA560a
Notes: 6 October Phone: x 5719
Home: 822-1116
e-mail: rap1

Rates of Chemical Reaction

Rate vs. Temperature:

Why do reactions take place faster at higher temperature?

Rate vs. Concentration:

Why do concentrated chemicals react faster? Again, more molecules, more likely a collision will occur. Or, for some chemicals (and radioactivity), there are more particles to break down.

 

Heat, Temperature & Chemical Change

We talked about temperature and rate.


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© R A Paselk

Last modified 5 October 2004