Chemistry Part I - Equilibrium Quiz
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Preview questions
1. What is the condition for a system to be in dynamic equilibrium?
Reactants are completely converted to products · The rates of forward and reverse reactions are equal · Temperature remains constant · Pressure remains constant
2. Which of the following is true about equilibrium constant (K)?
K is temperature dependent · K changes with concentration · K is always equal to 1 · K is independent of temperature
3. In a reversible reaction, if the concentration of products increases, what happens to the equilibrium?
Shifts to the right · Shifts to the left · No change · Reaches completion
4. Le Chatelier's principle states that if a system at equilibrium is subjected to a change, it will:
Shift to oppose the change · Remain unaffected · Change its temperature · Change its pressure
5. What is the equilibrium constant expression for the reaction: aA + bB ⇌ cC + dD?
K = [C]^c [D]^d / [A]^a [B]^b · K = [A]^a [B]^b / [C]^c [D]^d · K = [A]^a [B]^b [C]^c [D]^d · K = [C]^c [D]^d
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