Additional Homework Problems

CDP7-DB

Nitrogen oxide is one of the pollutants in automobile exhaust and can react with oxygen to form nitrogen dioxide according to
     

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At 298 K the specific reaction rate is  
     

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or in parts per million,  
     

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(a) What is the half-life of 3000 ppm NO (a typical precontrol auto exhaust value) in air?
(b) What is the half-life of 1 ppm NO (a typical polluted atmosphere value)?