Move Quickly : Exploring First-Order Reactions

Move Quickly : Exploring First-Order Reactions

Assessment

Interactive Video

Chemistry, Science, Physics

10th Grade - University

Hard

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The video tutorial explains the importance of time in reaction rates and introduces integral rate laws for first, second, and zero order reactions. It focuses on first order reactions, detailing how the rate depends on the concentration of a reactant. The tutorial covers the mathematical equations involved, including instantaneous rate and integrated rate laws, and demonstrates how to calculate the rate constant. Graphical methods are used to analyze reaction data, confirming the order of reactions through straight-line plots.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the time factor in determining the rate of a chemical reaction?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of integral rate loss and its importance in chemical reactions.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the characteristics of first order reactions and how they are mathematically expressed.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the equation for instantaneous rate represent, and how is it derived?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the slope in the integrated rate law equation?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How can the rate constant K be calculated from a graph of natural logarithm of A versus time?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the relationship between the concentration of reactants and time in a first order reaction.

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