Reaction Mechanism

Reaction Mechanism

Assessment

Flashcard

Chemistry

12th Grade

Hard

Created by

Wayground Content

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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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