22. The trial ion product, Q, when compared to the Solubility Product Constant, K., will indicate if the final products will be insoluble. The equilibrium will shift left if Q is a. equal to K b. less than K c. 100 times less than the value of K d. greater than K 23. If inert gases are added to an equilibrium system, how do they affect it? a. Inert gases will dilute the concentrations of the reactants and products, shifting the equilibrium. b. They will increase both the temperature and pressure, shifting the equilibrium. c. They will increase the pressure, causing a shift in equilibrium position. d. The equilibrium position will not change. 24. Reactions in a chemical system are caused by random impacts between reactant molecules. The frequency of these impacts determines the rate of the reaction. This process is known as a. Le Chatelier's principle b. the law of mass action c. the collision theory d. Dalton's law of partial pressures 25.Distilled water has a pH of 7.00 (neutral pH). Distilled water has a complete absence of ions and will not conduct electricity b. no H₂O ions C. no OH ions d. an equal number of H,O ions and OH ions 26. Which of these acids is the strongest? a. acetic acid b. hydrochloric acid c. hydrocyanic acid d. Ammonia 27. Which of the following bases would have the highest pH value? a. 0.1 mol/L NaOH b. 0.1 mol/L Ca (OH)2 c. 55.5 mol/L H₂O d. 1 x 10 mol/L LIOH
22. The trial ion product, Q, when compared to the Solubility Product Constant, K., will indicate if the final products will be insoluble. The equilibrium will shift left if Q is a. equal to K b. less than K c. 100 times less than the value of K d. greater than K 23. If inert gases are added to an equilibrium system, how do they affect it? a. Inert gases will dilute the concentrations of the reactants and products, shifting the equilibrium. b. They will increase both the temperature and pressure, shifting the equilibrium. c. They will increase the pressure, causing a shift in equilibrium position. d. The equilibrium position will not change. 24. Reactions in a chemical system are caused by random impacts between reactant molecules. The frequency of these impacts determines the rate of the reaction. This process is known as a. Le Chatelier's principle b. the law of mass action c. the collision theory d. Dalton's law of partial pressures 25.Distilled water has a pH of 7.00 (neutral pH). Distilled water has a complete absence of ions and will not conduct electricity b. no H₂O ions C. no OH ions d. an equal number of H,O ions and OH ions 26. Which of these acids is the strongest? a. acetic acid b. hydrochloric acid c. hydrocyanic acid d. Ammonia 27. Which of the following bases would have the highest pH value? a. 0.1 mol/L NaOH b. 0.1 mol/L Ca (OH)2 c. 55.5 mol/L H₂O d. 1 x 10 mol/L LIOH
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter13: Chemical Equilibrium
Section: Chapter Questions
Problem 9RQ: What is Le Chteliers principle? Consider the reaction 2NOCI(g)2NO(g)+Cl2(g) If this reaction is at...
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Transcribed Image Text:22. The trial ion product, Q. when compared to the Solubility Product Constant, Kp, will indicate if the final products will be
insoluble. The equilibrium will shift left if Q is
a. equal to K
b. less than K
c.
100 times less than the value of Ksp
d.
greater than K
23. If inert gases are added to an equilibrium system, how do they affect it?
a. Inert gases will dilute the concentrations of the reactants and products, shifting the equilibrium.
b.
They will increase both the temperature and pressure, shifting the equilibrium.
c. They will increase the pressure, causing a shift in equilibrium position.
d. The equilibrium position will not change.
24. Reactions in a chemical system are caused by random impacts between reactant molecules. The frequency of these
impacts determines the rate of the reaction. This process is known as
a. Le Chatelier's principle
b. the law of mass action
c. the collision theory
d. Dalton's law of partial pressures
25.Distilled water has a pH of 7.00 (neutral pH). Distilled water has
a.
a complete absence of ions and will not conduct electricity
b. no H₂O ions
C.
no OH ions
d. an equal number of H₂O ions and OH ions.
26. Which of these acids is the strongest?
a. acetic acid
b. hydrochloric acid
c. hydrocyanic acid
d. Ammonia
27. Which of the following bases would have the highest pH value?
a. 0.1 mol/L NaOH
b. 0.1 mol/L Ca (OH)₂
c. 55.5 mol/L H₂O
d.
1 x 10 mol/L LiOH
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