Practice Gibbs free energy - 8.1 | Combustion and Fuels | Applied Thermodynamics
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8.1 - Gibbs free energy

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does Gibbs free energy help predict?

πŸ’‘ Hint: Think about the conditions for a reaction to occur.

Question 2

Easy

State the equation for Gibbs free energy.

πŸ’‘ Hint: Remember the variables involved.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does Gibbs free energy indicate about a reaction?

  • Direction of reaction
  • Heat produced
  • Pressure required

πŸ’‘ Hint: What determines if a reaction can occur?

Question 2

True or False: A negative Ξ”G0 always means a reaction is non-spontaneous.

  • True
  • False

πŸ’‘ Hint: Consider the sign of Ξ”G0.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A reaction has Ξ”H = -100 kJ and Ξ”S = 200 J/K. At what temperature will the reaction become spontaneous?

πŸ’‘ Hint: Use the Ξ”G equation and rearrange it.

Question 2

Given that Kp for a reaction at standard conditions is 1. Kp is equal to 1 when Ξ”G0 is?

πŸ’‘ Hint: Think about what equilibrium means for free energy changes.

Challenge and get performance evaluation