stress is the part listed inside the braces {} YOU MUST CHOOSE ALL OF THE CORRECT RESPONSES. Don't just pick one correct answer unless there is indeed only one correct answer. Cl2(aq) + 2NaI(aq) I2(aq) + 2NaCl(aq) {and NaI(s) is added. Note: adding NaI(s) is the same as increasing NaI(aq)} Pb(NO3)2(aq) + 2KI(aq) PbI2

stress is the part listed inside the braces {} YOU MUST CHOOSE ALL OF THE CORRECT RESPONSES. Don't just pick one correct answer unless there is indeed only one correct answer. Cl2(aq) + 2NaI(aq) I2(aq) + 2NaCl(aq) {and NaI(s) is added. Note: adding NaI(s) is the same as increasing NaI(aq)} Pb(NO3)2(aq) + 2KI(aq) PbI2

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter14: Acids And Bases

Section: Chapter Questions

Problem 133QRT

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Chemistry The following reactions start at equilibrium.A stress is added and the position of equilibrium shifts. After the indicated stress is added which of the following reactions will proceed towards products?The added stress is the part listed inside the braces {}YOU MUST CHOOSE ALL OF THE CORRECT RESPONSES. Don't just pick one correct answer unless there is indeed only one correct answer. 1. Pb(NO3)2(aq) + 2KI(aq) PbI2(s) + 2KNO3(aq) {and KNO3 is added} 2. Cl2(aq) + 2NaI(aq) I2(aq) + 2NaCl(aq) {and NaI(s) is added. Note: adding NaI(s) is the same as increasing NaI(aq)} 3. Cl2(aq) + 2NaI(aq) I2(aq) + 2NaCl(aq) {and NaCl(aq) is removed}.
You have found the following: Pb+2(aq) + 4 I-(aq) <=> [PbI4]-2(aq) K = (2.853x10^4) What is the value of K for the following reaction? 3 Pb+2(aq) + 12 I-(aq) <=> 3 [PbI4]-2(aq)
Given the overall reaction from the previous problem: 2 CO (g) + 6 H2 (g) D 2 CH4 (g) + 2 H2O (g) Using Le Chatelier’s principle, predict which direction the reaction will shift to reestablish equilibrium for each of the following changes: Carbon monoxide is increased. Methane is decreased. The reaction is placed in a dehydration chamber (which siphons off water). If the pressure in the reaction container is doubled.
Tooth enamel, Ca5(PO4)3OH, establishes the following equilibrium: Ca5(PO4)3OH(s) <=> 5Ca2+(aq) + 3PO 3–(aq) + OH–(aq) 4 Which of the following, when added to the above equilibrium system, will cause the position of equilibrium to shift to the right? A.H+(aq) B. OH–(aq) C. Ca2+(aq) D. Ca5(PO4)3OH(s)
Consider the following reaction at equilibrium: CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g) If CO(g) is removed, how will K(eq) change?
Are reactants or products favored in the following equation? [Pt(NH3)4]Cl2(aq) + 2 NH2CH2CH2NH2(aq) → [Pt(NH2CH2CH2NH2)2]Cl2(aq) + 4 NH3(aq) Select one: a. products favored, due to the chelate effect b. Cannot determine if products or reactants are favored. c. reactants favored, due to the chelate effect
According to Le Chatelier's Principle, a reaction at equilibrium will attempt to stay at equilibrium, even if stresses are applied. Which of the following is NOT a stress that chemical reactions respond to? A decrease in the concentration of an aqueous or gaseous reactant. A change in temperature. An increase in the concentration of an aqueous or gaseous product. A change in pressure when gaseous reagents are nonexistent. A change in pressure when gases are present in differing mole amounts on each side of the equation.
Equilibrium: Co(H2O)6 2+ (aq) + 4 Cl-(aq) ⇌ CoCl4 2- (aq) + 6 H2O (l) pink blue a. You put 5 mL of stock solution into each of five test tubes. (25 mLs divided evenly into 5 test tubes). Test tube 1 was your control. To test tube 2, you added some water. Which direction did the equilibrium shift? How do you know? b. To test tube 3 you added some silver nitrate. Did this shift the equilibrium? If so, how is that possible as silver ion and nitrate ion are not in the equation? c. To test tube 5, you put the stock solution into hot water and it turned blue; then you put it into ice water and it turned pink. Explain what happened.
For the following reaction, the products are favored at equilibrium. Classify each of the reactants and products based on their strength as Bronsted-Lowry acids or bases.C5H11N + C6H5COOHC5H11NH+ + C6H5COO- C6H5COO- C5H11N C5H11NH+ C6H5COOH Stronger Bronsted-Lowry acid Weaker Bronsted-Lowry acid Stronger Bronsted-Lowry base Weaker Bronsted-Lowry base
The following equilibrium concentrations were measured at 25 ∘C∘C:Lactic acid [C3H6O3]=9.64×10−2 M; [H+]=3.65×10−3 M;Lactate ion [C3H5O3−]=3.65×10−3 M. What is the concentration of lactic acid C3H6O3 if at equilibrium [C3H5O3−]=[H+]=1.07×10−2 M?
For each of the following values of K, indicate whether the forward reaction, reverse reaction, or neither would be favored. a) Keq = 4.1 x 10-3 (K<<<1) b) Keq = 3.7 x 108 (K>>>1) c) Keq = 1.47 (K~1)
The following equilibrium exists in an aqueous solution: CH3COOH <-> CH3COO- + H+ . If dilute HCI is added: a. acetate ion (CH3COO-) concentration will increase b. the equilibrium constant will decrease c. the equilibrium constant will increase d. acetate ion (CH3COO-) concentration will decrease