Chemical Equilibrium Law Quiz
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Questions and Answers

Write the chemical equilibrium law based on the concentrations of the reacting substances.

The law states that for a reaction aA + bB ⇌ cC + dD, the equilibrium constant Kc is given by the expression Kc = [C]^c[D]^d / [A]^a[B]^b, where [X] represents the molar concentration of substance X.

What is the expression for the equilibrium constant Kc in terms of molar concentrations of the reacting substances?

The expression for the equilibrium constant Kc is Kc = [C]^c[D]^d / [A]^a[B]^b, where [X] represents the molar concentration of substance X in the chemical equation aA + bB ⇌ cC + dD.

How is the equilibrium constant Kc affected by a change in temperature?

The equilibrium constant Kc is affected by a change in temperature according to the principles of Le Chatelier's principle. An increase in temperature favors the endothermic direction of the reaction, while a decrease in temperature favors the exothermic direction of the reaction.

Explain the significance of the equilibrium constant Kc in predicting the extent of a chemical reaction.

<p>The equilibrium constant Kc provides information about the extent to which a reaction will proceed at a given set of conditions. A large Kc value indicates that the reaction will favor the products at equilibrium, while a small Kc value indicates that the reactants will predominate.</p> Signup and view all the answers

ما هو قانون الاتزان الكيميائي بالاعتماد على تراكيز المواد المتفاعلة؟

<p>تعبير عن الثوابت الكيميائية</p> Signup and view all the answers

ما هي العلاقة بين تراكيز المواد المتفاعلة وثوابت الاتزان الكيميائي؟

<p>يعبر قانون الاتزان الكيميائي عن العلاقة بين تراكيز المواد المتفاعلة وبين الثوابت الكيميائية</p> Signup and view all the answers

ما هي الوحدة التي تستخدم لقياس تركيز المواد المتفاعلة في قانون الاتزان الكيميائي؟

<p>مول/لتر</p> Signup and view all the answers

ما هو العامل الذي يؤثر على قيمة الثوابت الكيميائية في قانون الاتزان الكيميائي؟

<p>درجة الحرارة</p> Signup and view all the answers

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