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May 22, 2015

Homework Help: Chemistry

Posted by Anonymous on Saturday, April 11, 2009 at 2:09pm.

I got questions about catalytic converter. Can someone please help me out? Thanks in advance

1. Why is it necessarty to have additional air in exhaust before it enters the catalytic converter?

2. A catalytic converter is not effective when cold. Use the concept of activation energy to explain why.

My guess: Is it that when cold, the molecules cannot overcome the energy barrier, so that's why the catalytic converter is not effective?

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