Enzyme Kinetics (Activation Energy and Gibb's Free Energy)

Enzyme Kinetics (Activation Energy and Gibb's Free Energy)

Assessment

Interactive Video

Science, Chemistry, Physics

University

Hard

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The video tutorial covers the kinetics and thermodynamics of enzyme reactions, focusing on the concepts of activation energy, free energy changes, and the role of enzymes. It explains how activation energy affects reaction rates and how enzymes lower this energy to speed up reactions. The tutorial also distinguishes between kinetic and thermodynamic favorability, emphasizing that these are independent concepts. Additionally, it clarifies the difference between exergonic and endergonic reactions and the implications of Delta G values on reaction spontaneity.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the activation energy and the rate of a reaction?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the definition of activation energy in the context of chemical reactions?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the transition state in a chemical reaction.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What role do intermediates play in a reaction mechanism?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How do enzymes affect the activation energy of a reaction?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how the free energy diagram can be used to determine the spontaneity of a reaction.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What does a negative Delta G value indicate about a reaction?

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