Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a negative G indicate about a chemical reaction?
π‘ Hint: Think about energy use in spontaneous reactions.
Question 2
Easy
What is the formula for Gibbs Free Energy?
π‘ Hint: Recall the components involved in Gibbs Free Energy.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a negative Gibbs Free Energy (G) indicate?
- The reaction will not occur
- The reaction is spontaneous
- The reaction is at equilibrium
π‘ Hint: Consider the energy changes associated with spontaneous reactions.
Question 2
True or False: G can change depending on temperature.
- True
- False
π‘ Hint: Think about how reactions behave at different temperatures.
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Challenge Problems
Push your limits with challenges.
Question 1
If a reaction has H = -200 kJ and S = 0.5 kJ/K, calculate the temperature at which this reaction becomes non-spontaneous.
π‘ Hint: Set up the inequality for G, and solve for T.
Question 2
Consider a biochemical reaction occurring at 310 K with H = -40 kJ and S = 0.1 kJ/K. Evaluate the spontaneity of the reaction.
π‘ Hint: Plug in values for H and TS into the Gibbs equation.
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