Equilibrium Homework 1151

Equilibrium Homework 1151 - Chemistry 1-2 Equilibrium...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 1-2 Equilibrium Practice Test Law of Mass Action: For the Equation: a A + b B ó c C + d D K c = [C] c [D] d [A] a [B] b 1. Chemical equilibrium is achieved when A. all of the reactants are used up. B. the amounts of reactants and products are equal. C . the rates of the forward and reverse reactions are equal. D. both the forward and reverse reactions stop. 2. A change in one of the conditions, such as concentration of a reactant, temperature, or pressure, affecting an equilibrium reaction is called a(n) A. catalyst B. Stimulus C. shift D. stress 3. Which of the following is true regarding the equilibrium constant if more CO is added to the following equilibrium system? 2 CO (g) + O 2 (g) ó 2 CO 2 (g) A. the equilibrium constant is unchanged but the temperature increases. B. the equilibrium constant must increase. C. the equilibrium constant must decrease. D. the equilibrium constant stays the same. 4. What is the solubility product expression for this reaction? Cu(OH) 2 (s) ó Cu 2+ (aq) + 2 OH - (aq) A. [Cu 2+ ] 2 [OH - ] B. [Cu 2+ ] [OH - ] 2 C. [Cu 2+ ] [OH - ] D. [Cu 2+ ] [2 OH - ] 5. Which of the following substances would you predict to be the least soluble in water? A.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Equilibrium Homework 1151 - Chemistry 1-2 Equilibrium...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online