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AP Chemistry 7.10 A Explain the Relationships Between Q K and the Direction in Which a Reversible Reaction Will Proceed to Reach Questions

Practice AP Chemistry questions on comparing Q with K after a disturbance and predicting how concentrations or partial pressures redistribute to reach equilibrium.

Syllabus
Effective Fall 2024
Course
AP Chemistry

Exam points

  • Explain how equilibrium composition depends on temperature, pressure and concentration in reversible reactions.
  • Apply equilibrium constants and reaction quotients to predict reaction shifts and system responses.

AP Chemistry 7.10 A Explain the Relationships Between Q K and the Direction in Which a Reversible Reaction Will Proceed to Reach Questions question 1

[Maximum number: 1]

Answer the following questions about magnesium.

The dissolution of magnesium hydroxide is represented by the following equation.

Mg(OH)2(s)⇄Mg2+(aq)+2OH−(aq)Ksp=5.61×10−12\mathrm{Mg}(\mathrm{OH})_{2}(s) \rightleftarrows \mathrm{Mg}^{2+}(a q)+2 \mathrm{OH}^{-}(a q) \quad K_{s p}=5.61 \times 10^{-12}

Using the reaction quotient, Q, predict whether a precipitate should form as the mixture in beaker 3 approaches equilibrium. Justify your answer.

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