Introductory Chemistry (6th Edition)
6th Edition
ISBN: 9780134302386
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 15, Problem 21E
Interpretation Introduction
Interpretation: The effect of decrease in concentration of a product in a reaction mixture at equilibrium is to be determined.
Concept Introduction: Le Chatelier’s principle states that every
Decreasing the concentration of a reactant the equilibrium reaction shift in a backward direction
Decreasing the concentration of a product the equilibrium reaction shift in a forward direction
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Chapter 15 Solutions
Introductory Chemistry (6th Edition)
Ch. 15 - Q1. Which change is likely to increase the rate of...Ch. 15 - The equilibrium constants at a fixed temperature...Ch. 15 - Q3. The concentrations of A,B, and C for the...Ch. 15 - Q4. What is the correct expression for the...Ch. 15 - Q5. Consider the reaction between NO and to form...Ch. 15 - Q6. The equilibrium constant for this reaction is...Ch. 15 - Prob. 7SAQCh. 15 - Q8. The decomposition of is endothermic.
Which...Ch. 15 - Prob. 9SAQCh. 15 - Prob. 10SAQ
Ch. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - 3. Why do chemists seek to control reaction...Ch. 15 - How do most chemical reactions occur?Ch. 15 - What factors influence reaction rates? How?Ch. 15 - Prob. 6ECh. 15 - 7. What is dynamic chemical equilibrium?
Ch. 15 - Prob. 8ECh. 15 - Explain why the concentrations of reactants and...Ch. 15 - Devise your own analogylike the Narnia and Middle...Ch. 15 - Prob. 11ECh. 15 - Write the expression for the equilibrium constant...Ch. 15 - What does a small equilibrium constant tell you...Ch. 15 - Prob. 14ECh. 15 - Prob. 15ECh. 15 - Prob. 16ECh. 15 - Prob. 17ECh. 15 - Prob. 18ECh. 15 - What is the effect of decreasing the concentration...Ch. 15 - Prob. 20ECh. 15 - Prob. 21ECh. 15 - What is the effect of increasing the pressure of a...Ch. 15 - Prob. 23ECh. 15 - Prob. 24ECh. 15 - 25. What is the effect of decreasing the pressure...Ch. 15 - 26. What is the effect of increasing the...Ch. 15 - 27. What is the effect of increasing the...Ch. 15 - Prob. 28ECh. 15 - Prob. 29ECh. 15 - Prob. 30ECh. 15 - Prob. 31ECh. 15 - Prob. 32ECh. 15 - Prob. 33ECh. 15 - Prob. 34ECh. 15 - Does a catalyst affect the value of the...Ch. 15 - Prob. 36ECh. 15 - Prob. 37ECh. 15 - Prob. 38ECh. 15 - The body temperature of cold-blooded animals...Ch. 15 - The rate of a particular reaction doubles when the...Ch. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Write an equilibrium expression for each chemical...Ch. 15 - Prob. 44ECh. 15 - Write an equilibrium expression for each chemical...Ch. 15 - Write an equilibrium expression for each chemical...Ch. 15 - Prob. 47ECh. 15 - Prob. 48ECh. 15 - 49. For each equilibrium constant, indicate if you...Ch. 15 - Prob. 50ECh. 15 - Prob. 51ECh. 15 - 52. Consider the reaction.
An equilibrium mixture...Ch. 15 - Consider the reaction. 2H2S(g)2H2(g)+S2(g) An...Ch. 15 - Prob. 54ECh. 15 - Prob. 55ECh. 15 - Consider the reaction. CaCO3(s)CaCO(s)+CO2(g) An...Ch. 15 - Prob. 57ECh. 15 - Prob. 58ECh. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Prob. 61ECh. 15 - Prob. 62ECh. 15 - Consider this reaction at equilibrium....Ch. 15 - Prob. 64ECh. 15 - Consider this reaction at equilibrium....Ch. 15 - Prob. 66ECh. 15 - Consider the effect of a volume change on this...Ch. 15 - Prob. 68ECh. 15 - Prob. 69ECh. 15 - Prob. 70ECh. 15 - Prob. 71ECh. 15 - Prob. 72ECh. 15 - Prob. 73ECh. 15 - Prob. 74ECh. 15 - Coal, which is primarily carbon, can be converted...Ch. 15 - 76. Coal can be used to generate hydrogen gas (a...Ch. 15 - 77. For each compound, write an equation showing...Ch. 15 - Prob. 78ECh. 15 - Prob. 79ECh. 15 - Prob. 80ECh. 15 - A saturated solution of MgF2 has [Mg2+]=2.6104M...Ch. 15 - Prob. 82ECh. 15 - Prob. 83ECh. 15 - Prob. 84ECh. 15 - Prob. 85ECh. 15 - Prob. 86ECh. 15 - Prob. 87ECh. 15 - 88. Calculate the molar solubility of .
Ch. 15 - Prob. 89ECh. 15 - Prob. 90ECh. 15 - 91. Consider the reaction.
A solution is made...Ch. 15 - Prob. 92ECh. 15 - Prob. 93ECh. 15 - Prob. 94ECh. 15 - This reaction is exothermic....Ch. 15 - Prob. 96ECh. 15 - 97. Calculate the molar solubility of CuS. How...Ch. 15 - Calculate the molar solubility of FeCO3. How many...Ch. 15 - Prob. 99ECh. 15 - Prob. 100ECh. 15 - Prob. 101ECh. 15 - Prob. 102ECh. 15 - Consider the reaction: CaCO3CaO(s)+CO2(g) A sample...Ch. 15 - Prob. 104ECh. 15 - A 2.55-L solution is 0.115 M in Mg2+. If K2CO3 is...Ch. 15 - Prob. 106ECh. 15 - Prob. 107ECh. 15 - Prob. 108ECh. 15 - One of the main components of hard water is CaCO3....Ch. 15 - Prob. 110ECh. 15 - The reaction A(g)+B(g)2C(g) has an equilibrium...Ch. 15 - Describe three ways a reaction at equilibrium can...Ch. 15 - Solid CaCO3 decomposes into solid CaO and gaseous...
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- Explain that equilibrium is dynamic, and that at equilibrium the forward and backward reaction rates are equal.arrow_forwardHow does equilibrium represent the balancing of opposing processes? Give an example of an “equilibrium” encountered in everyday life, showing how the processes involved oppose each other.arrow_forwardTell what will happen to each equilibrium concentration in the following when the indicated stress is applied and a new equilibrium position is established. a. LiOH(s)+CO2(g)LiHCO3(s)+heat; CO2 is removed. b. 2NaHCO3(s)+heatNa2O(s)+2CO2(g)+H2O(g); The system is cooled. c. CaCO3(s)+heatCaO(s)+CO2(g); The system is cooled.arrow_forward
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- Tell what will happen to each equilibrium concentration in the following when the indicated stress is applied and a new equilibrium position is established. a. H+(aq)+HCO3(aq)H2O(l)+CO2(g); HCO3is added. b. CO2(g)+H2O(l)H2CO3(aq)+heat; CO2is removed. c. CO2(g)+H2O(l)H2CO3(aq)+heat; The system is cooled.arrow_forwardDuring an experiment with the Haber process, a researcher put 1 mol N2 and 1 mol H2 into a reaction vessel to observe the equilibrium formation of ammonia, NH3. N2(g)+3H2(g)2NH3(g) When these reactants come to equilibrium, assume that x mol H2 react. How many moles of ammonia form?arrow_forwardWrite equilibrium constant expressions for the following generalized reactions. a. 2X(g)+3Y(g)2Z(g) b. 2X(g)+3Y(s)2Z(g) c. 2X(s)+3Y(s)2Z(g) d. 2X(g)+3Y(g)2Z(s)arrow_forward
- Use Le Chteliers principle to predict the direction of the equilibrium shift in the following equilibria when the indicated stress is applied: a. Ag+(aq)+Cl(aq)AgCl(s); some Ag+ is removed. b. 2HI(g)+heatH2(g)+I2(g); the system is heated. c. 6Cu(s)+N2(g)+heat2Cu3N(s); the system is cooled and some N2 is removed.arrow_forward. Explain what it means that a reaction has reached a state of chemical equilibrium. Explain why equilibrium is a dynamic state: Does a reaction really “stop” when the system reaches a state of equilibrium? Explain why, once a chemical system has reached equilibrium, the concentrations of all reactants remain constant with time. Why does this constancy of concentration not contradict our picture of equilibrium as being dynamic? What happens to the rates of the forward and reverse reactions as a system proceeds to equilibrium from a starting point where only reactants are present?arrow_forward
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