Chemistry 30

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Chemical Kinetics

Practice Questions: Collision Theory and Reaction Mechanism
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1.

Nitrogen monoxide reacts with hydrogen gas to produce nitrogen gas and water vapour. The mechanism is believed to be:

Step 1: 2 NO → N2O2
Step 2: N2O2 + H2 → N2O + H2O
Step 3: N2O + H2 → N2 + H2O

For this reaction find the following:

  • the overall balanced equation
  • any reaction intermediates
2.

Give two reasons why most molecular collisions do not lead to a reaction.

3. An important function for managers is to determine the rate-determining steps in their business processes. In a certain fast-food restaurant, it takes 3 minutes to cook the food, 1.5 minutes to wrap the food, and 5 minutes to take the order and make change. How would a good manager assign the work to four employees?

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Credits | Central iSchool | Sask Learning | Saskatchewan Evergreen Curriculum | Updated: 26-Jun-2006