Spontaneity

Spontaneity

Assessment

Interactive Video

Chemistry

11th - 12th Grade

Hard

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The video tutorial explores the first law of thermodynamics, focusing on the concepts of enthalpy, entropy, and Gibbs energy in relation to spontaneous reactions. It explains how enthalpy and entropy contribute to the spontaneity of reactions, with examples of exothermic and endothermic processes. The tutorial introduces Gibbs energy as a key factor in determining reaction spontaneity, especially in non-isolated systems, and discusses the conditions under which reactions are spontaneous or non-spontaneous.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the significance of the Gibbs equation in thermodynamics.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What factors influence the spontaneity of endothermic and exothermic reactions?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How does temperature affect the Gibbs energy and spontaneity of a reaction?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between reversible and irreversible reactions in terms of Gibbs energy?

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