Practice Rate Of A Chemical Reaction (3.1) - Chemical kinetics

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9 questions

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Exercise
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6 sample questions

Question 1.
Define average rate of a chemical reaction.
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Think about how you measure changes over time in everyday scenarios.
Question 2.
What is instantaneous rate?
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How would you gauge the speed of a car at a specific moment?
3Question 3.
What does the rate constant (k) represent in a rate law?
- Limits the reaction speed
- Links concentration to reaction rate
- Sum of reaction orders
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Consider what connects reactants' concentration to the outcome.
4Question 4.
True or False: The molecularity of a reaction can be a fraction.
- True
- False
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Think of how elements combine in fixed ratios.
Question 5.
Given the rate equation Rate = k[A]^2[B]^3, if the concentration of A is doubled, how does the rate change?
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Use the power rule for rate changes.
Question 6.
Explain how a catalyst affects the activation energy of a reaction and its resulting rate.
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Consider how a shortcut can speed up a journey.

5 more questions in this section. Enroll free to practise them all.