Practice Molecularity Of A Reaction (3.2.4) - Chemical kinetics

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6 sample questions

Question 1.
Define molecularity.
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Think about how many species collide in one step.
Question 2.
What type of reaction involves only one species?
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Remember the prefix 'uni-' means one.
3Question 3.
What is molecularity?
- The number of steps in a reaction
- The number of reactants that must collide
- The concentration of reactants
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Think about how many particles need to meet to react.
4Question 4.
True or False: Molecularity can be a fraction.
- True
- False
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Consider the definition of molecularity carefully.
Question 5.
Explain the importance of knowing the molecularity in practical applications such as catalysis.
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Relate it back to how reactions proceed with or without catalysts.
Question 6.
How would you experimentally determine the order of a reaction when the molecularity is known?
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Think of measuring changes in concentration over time.

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