Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does Kc signify in a chemical reaction?
π‘ Hint: Think about what happens when products and reactants are mixed.
Question 2
Easy
Why are solids omitted from Kc expressions?
π‘ Hint: Consider how solids behave in solutions.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What impact does temperature have on Kc?
- It remains constant
- It always decreases
- It can increase or decrease
π‘ Hint: Think about how energy affects reactants and products.
Question 2
True or False: Solids are included in the Kc expression.
- True
- False
π‘ Hint: Reflect on the behavior of solids in equilibrium situations.
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Challenge Problems
Push your limits with challenges.
Question 1
For the reaction SO2(g) + O2(g) β 2SO3(g) with Kc of 1000 at 1000 K, predict how Kc might change if the temperature is increased to 1200 K if it's exothermic.
π‘ Hint: Think about the heat changes related to Kc.
Question 2
For the equilibrium 4H2(g) + 2O2(g) β 4H2O(g), if Kc is found to be 0.01 at 298 K, discuss what this implies regarding the concentration of products compared to reactants.
π‘ Hint: Visualize the proportions of each species present at equilibrium.
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