Collision Theory and Reaction Rates
Flashcard
•
Chemistry
•
9th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Collision Theory?
Back
Collision Theory states that for a reaction to occur, reactant particles must collide with sufficient energy and proper orientation.
2.
FLASHCARD QUESTION
Front
What is the significance of successful collisions in a chemical reaction?
Back
Successful collisions lead to the formation of products, while unsuccessful collisions do not result in a reaction.
3.
FLASHCARD QUESTION
Front
What factors affect the rate of a chemical reaction?
Back
Factors include concentration of reactants, temperature, surface area, and the presence of a catalyst.
4.
FLASHCARD QUESTION
Front
How does increasing the concentration of reactants affect reaction rates?
Back
Increasing concentration increases the number of particles, leading to more frequent collisions and a faster reaction rate.
5.
FLASHCARD QUESTION
Front
What role does temperature play in reaction rates?
Back
Higher temperatures increase the kinetic energy of particles, resulting in more frequent and energetic collisions.
6.
FLASHCARD QUESTION
Front
Define activation energy.
Back
Activation energy is the minimum energy required for a chemical reaction to occur.
7.
FLASHCARD QUESTION
Front
What is a catalyst?
Back
A catalyst is a substance that increases the rate of a reaction by lowering the activation energy without being consumed in the process.
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