The Rate-Limiting Step

The Rate-Limiting Step

Assessment

Interactive Video

Chemistry, Science, Physics

11th Grade - University

Hard

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The video tutorial explains the concept of rate limiting steps in chemical reactions using a road analogy. It discusses how reaction mechanisms consist of multiple steps, each with different speeds, and how the slowest step determines the overall reaction rate. The tutorial provides examples, including a reaction between nitrogen dioxide and carbon monoxide, to illustrate how to identify the rate limiting step and write the rate law. It also covers handling intermediates in rate laws and addresses reversible reactions, emphasizing the importance of excluding intermediates from rate equations.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What analogy is used to explain the concept of the rate limiting step in chemical reactions?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the installation of a toll booth affect the speed of cars in the analogy?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is meant by the term 'reaction mechanism' in the context of chemical reactions?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to identify the rate limiting step in a chemical reaction?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

In the example given, what are the reactants and products involved in the chemical reaction discussed?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What role do intermediates play in the rate law of a reaction?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How can reversible reactions affect the determination of the rate law?

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