Practice Equilibrium (6) - Equilibrium - CBSE 11 Chemistry Part 1

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8 questions

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6 sample questions

Question 1.
Define chemical equilibrium in your own words.
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Consider the balance of reactions involved.
Question 2.
What is the significance of Le Chatelier's principle?
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Think about how systems adapt to maintain balance.
3Question 3.
What does it mean for a reaction to reach equilibrium?
- The reaction has stopped
- Rates of forward and reverse reactions are equal
- No products are formed anymore
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Think about the concept of balance.
4Question 4.
Is the equilibrium constant dependent on concentration?
- True
- False
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Consider the definition of K.
Question 5.
Given an equilibrium reaction where Kc = 0.05 and initial concentrations of reactants are unknown, determine the concentrations of all reactants and products at equilibrium if they started from 1 mol each.
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Use the ICE table method for incremental changes.
Question 6.
Analyze a reaction with an equilibrium constant relationship where the temperature is changed and determine how the constant Kc would respond.
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Remember the endothermic vs. exothermic balance!

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