Practice Factors Affecting The Rate Of Reaction (1.5)

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6 sample questions

Question 1.
What is meant by concentration in a chemical reaction?
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Think about how strong the solution is.
Question 2.
How do smaller particle sizes affect the rate of a reaction?
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Consider how quickly sugar dissolves when ground up.
3Question 3.
What affects the rate of a chemical reaction?
- Only temperature
- Only concentration
- Temperature, surface area, concentration, and catalysts
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Remember the key factors we discussed.
4Question 4.
True or False: Catalysts are consumed in the reactions they speed up.
- True
- False
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Think of enzymes as an example.
Question 5.
Consider a reaction that is known to be exothermic. How would increasing the temperature affect the equilibrium position of this reaction if there was a catalyst present?
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Think about Le Chatelier's principle.
Question 6.
If a scientist finds that a reaction does not happen at room temperature but occurs rapidly at 80°C, what would you infer about its activation energy?
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Relate to energy barriers in reactions.

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