Kinetics of First-Order Reaction

Kinetics of First-Order Reaction

Assessment

Interactive Video

Science, Physics, Chemistry

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to solve a first-order reaction problem by deriving the integrated rate law and calculating the time required for a concentration to decay from 0.78 molar to 0.39 molar. It highlights the concept of half-life and its relation to the natural log of 2, providing insights into the mathematical approach used in physical chemistry.

Read more

7 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the rate constant for the first order reaction at 400 degrees Celsius?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

How long does it take for the concentration of A to decrease from 0.78 molar to 0.39 molar?

Evaluate responses using AI:

OFF

3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the integrated rate law for a first-order reaction?

Evaluate responses using AI:

OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the negative sign in the rate law equation.

Evaluate responses using AI:

OFF

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the natural log of the concentration of A represent in the context of this reaction?

Evaluate responses using AI:

OFF

6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the concentrations 0.78 and 0.39 in terms of half-life?

Evaluate responses using AI:

OFF

7.

OPEN ENDED QUESTION

3 mins • 1 pt

How is the half-life for a first-order reaction calculated?

Evaluate responses using AI:

OFF