
Rates of Reaction HL

Flashcard
•
Chemistry
•
11th Grade
•
Medium
Annette Gildea
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21 questions
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1.
FLASHCARD QUESTION
Front
Define rate of reaction.
Back
The rate of reaction is the change in concentration of any one reactant or product in unit time.
2.
FLASHCARD QUESTION
Front
What is catalysis?
Back
Catalysis is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst.
3.
FLASHCARD QUESTION
Front
How can you monitor the rate of production of oxygen from hydrogen peroxide?
Back
By using manganese dioxide as a catalyst and measuring the volume of oxygen gas produced until the reaction stops.
4.
FLASHCARD QUESTION
Front
What is the average rate of reaction?
Back
Average Rate = Total Gas Produced / Total Time Taken.
5.
FLASHCARD QUESTION
Front
Define instantaneous rate of reaction.
Back
The instantaneous rate of reaction is the rate of a reaction at any one particular time during the reaction.
6.
FLASHCARD QUESTION
Front
How do you calculate the instantaneous rate of reaction?
Back
1. Draw a tangent to the curve at the specified time. 2. Choose 2 points on this tangent. 3. Use Rise/Run to find the slope of the tangent.
7.
FLASHCARD QUESTION
Front
What is activation energy?
Back
Activation Energy (Eact) is the minimum amount of energy that particles need in order to react.
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