Reaction Mechanism
Flashcard
•
Chemistry
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a reaction mechanism?
Back
A reaction mechanism is a step-by-step description of the pathway by which reactants are converted into products in a chemical reaction.
2.
FLASHCARD QUESTION
Front
What is the rate-determining step in a reaction mechanism?
Back
The rate-determining step is the slowest step in a reaction mechanism that determines the overall rate of the reaction.
3.
FLASHCARD QUESTION
Front
How does the activation energy relate to reaction steps?
Back
The activation energy is the minimum energy required for a reaction to occur; the step with the highest activation energy is the slowest step.
4.
FLASHCARD QUESTION
Front
What is a catalyst?
Back
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.
5.
FLASHCARD QUESTION
Front
What is the difference between a slow step and a fast step in a reaction mechanism?
Back
A slow step has a higher activation energy and takes longer to occur, while a fast step has a lower activation energy and occurs more quickly.
6.
FLASHCARD QUESTION
Front
What is the general form of a rate equation?
Back
The rate equation expresses the rate of a reaction as a function of the concentration of reactants, typically in the form: rate = k [A]^m [B]^n.
7.
FLASHCARD QUESTION
Front
What does the symbol 'k' represent in a rate equation?
Back
The symbol 'k' represents the rate constant, which is a proportionality factor that relates the rate of a reaction to the concentrations of the reactants.
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