6.3 - Calculations Involving Equilibrium Constants
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Practice Questions
Test your understanding with targeted questions
What is the expression for Kc for the reaction 2A + B ⇌ 3C?
💡 Hint: Use the coefficients from the balanced equation.
If Kc for a reaction is 5.0, what does this imply about product concentrations compared to reactant concentrations?
💡 Hint: Recall that K > 1 indicates a shift towards products.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of an ICE table?
💡 Hint: Think about what the letters I, C, and E stand for.
True or False: The approximation method can always be used when calculating equilibrium concentrations.
💡 Hint: Consider when making approximations is reliable in science.
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Challenge Problems
Push your limits with advanced challenges
For the equilibrium reaction 2A ⇌ B + C with Kc = 4.0, if A starts at 0.400 M, find the equilibrium concentrations of A, B, and C.
💡 Hint: Rearranging and solving this quadratic will lead to values for x.
A given equilibrium reaction has an equilibrium constant Kc of 0.045. If you start with 0.200 M of each reactant, what are the equilibrium concentrations?
💡 Hint: Remember to consider the ranges of K values affecting directionality.
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