Reaction Rates and Exothermic vs Endothermic

Flashcard
•
Science
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Activation Energy?
Back
The minimum energy required for a chemical reaction to occur.
2.
FLASHCARD QUESTION
Front
What effect does increasing temperature have on the rate of reaction?
Back
Increasing temperature generally increases the rate of reaction.
3.
FLASHCARD QUESTION
Front
What is a Catalyst?
Back
A substance that increases the rate of a chemical reaction without being consumed in the process.
4.
FLASHCARD QUESTION
Front
How does Surface Area affect reaction rates?
Back
Increasing the surface area of reactants increases the rate of reaction by allowing more collisions to occur.
5.
FLASHCARD QUESTION
Front
What is the difference between Exothermic and Endothermic reactions?
Back
Exothermic reactions release heat, while Endothermic reactions absorb heat.
6.
FLASHCARD QUESTION
Front
What is Chemical Potential Energy?
Back
The energy stored in the chemical bonds of a substance.
7.
FLASHCARD QUESTION
Front
What is the role of Concentration in reaction rates?
Back
Increasing the concentration of reactants generally increases the rate of reaction.
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