Chemistry: Structure and Properties
1st Edition
ISBN: 9780321834683
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 16, Problem 83E
Interpretation Introduction
To determine: Find the mass of NH3 at equilibrium and calculate the percent yield.
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Chapter 16 Solutions
Chemistry: Structure and Properties
Ch. 16 - What is the correct expression for the equilibrium...Ch. 16 - Prob. 2SAQCh. 16 - Use the data below to find the equilibrium...Ch. 16 - The reaction shown here has a Kp = 4.5X102 AT 825...Ch. 16 - Consider the reaction between NO and Cl2 to form...Ch. 16 - Prob. 6SAQCh. 16 - Consider the reaction between iodine gas and...Ch. 16 - Prob. 8SAQCh. 16 - The decomposition of NH4HS is endothermic:...Ch. 16 - The solid XY decomposes into gaseous X and Y:...
Ch. 16 - What is the effect of adding helium gas (at...Ch. 16 - Prob. 12SAQCh. 16 - How does a developing fetus get oxygen in the...Ch. 16 - What is dynamic equilibrium? Why is it called...Ch. 16 - Give the general expression for the equilibrium...Ch. 16 - What is the significance of the equilibrium...Ch. 16 - What happens to the value of the equilibrium...Ch. 16 - If two reactions sum to an overall reaction, and...Ch. 16 - Explain the difference between Kcand Kp. For a...Ch. 16 - What units should you use when expressing...Ch. 16 - Why do we omit the concentrations of solids and...Ch. 16 - Does the value of the equilibrium constant depend...Ch. 16 - Explain how you might deduce the equilibrium...Ch. 16 - What is the definition of the reaction quotient ()...Ch. 16 - What is the value of when each reactant and...Ch. 16 - Prob. 14ECh. 16 - Many equilibrium calculations involve finding the...Ch. 16 - In equilibrium problems involving equilibrium...Ch. 16 - What happens to a chemical system at equilibrium...Ch. 16 - What is the effect of a change in concentration of...Ch. 16 - What is the effect of a change in volume on a...Ch. 16 - What is the effect of temperature change on a...Ch. 16 - Write an expression for the equilibrium constant...Ch. 16 - Find and fix each mistake in the equilibrium...Ch. 16 - When the reaction comes to equilibrium, will the...Ch. 16 - Ethene (C2H4) can be halogenated by this reaction:...Ch. 16 - H2 and I2 are combined in a flask and allowed to...Ch. 16 - A chemist trying to synthesize a particular...Ch. 16 - This reaction has an equilibrium constant of...Ch. 16 - This reaction has an equilibrium constant of...Ch. 16 - Prob. 29ECh. 16 - Use the following reactions and their equilibrium...Ch. 16 - Calculate Kc for reaction a. I2(g)2I(g)Kp=6.261022...Ch. 16 - Calculate Kpfor each reaction. a. N2O4(g)2NO2(g)...Ch. 16 - Write an equilibrium expression for each chemical...Ch. 16 - Find and fix the mistake in the equilibrium...Ch. 16 - Consider the reaction: CO(g)+2H2(g)CH3OH(g) An...Ch. 16 - Consider the reaction: NH4HS(s)NH3(g)+H2S(g) An...Ch. 16 - Consider the reaction: N2(g)+3H2(g)2NH3(g)...Ch. 16 - Consider the reaction: H2(g)+I2(g)2HI(g) Complete...Ch. 16 - Consider the reaction: 2NO(g)+Br2(g)2NOBr(g)Kp=...Ch. 16 - Consider the reaction:...Ch. 16 - For the reaction A(g)2B(g) , a reaction vessel...Ch. 16 - For the reaction 2A(g)B(g)+2C(g) , a reaction...Ch. 16 - Consider the reaction:...Ch. 16 - Consider the reaction: SO2Cl2(g)SO2+Cl2(g) A...Ch. 16 - Consider the reaction: H2(g)+I2(g)2HI(g) A...Ch. 16 - Consider the reaction. CO(g)+2H2(g)CH3OH(g) A...Ch. 16 - Consider the reaction: NH4HS(s)NH3(g)+H2S(g) At a...Ch. 16 - Consider the reaction:...Ch. 16 - Silver sulfate dissolves in water according to the...Ch. 16 - Nitrogen dioxide reacts with itself according to...Ch. 16 - Consider the reaction and the associated...Ch. 16 - Consider the reaction and the associated...Ch. 16 - For the reaction Kc= 0.513 at 500K. N2O4(g)2NO2(g)...Ch. 16 - For the reaction, Kc= 255 at 1000 K...Ch. 16 - Consider the reaction: NiO(s)+CO(g)Ni(s)+CO2(g)...Ch. 16 - Consider the reaction: CO(g)+H2O(g)CO2(g)+H2(g)Kc=...Ch. 16 - Consider the reaction: HC 2 H 3 O 2 (aq)+ H 2 O(l)...Ch. 16 - Prob. 58ECh. 16 - Consider the reaction:...Ch. 16 - Consider the reaction:...Ch. 16 - Consider the reaction: A(g)B(g)+C(g) Find the...Ch. 16 - Consider the reaction: A(g)2B(g) Find the...Ch. 16 - Consider this reaction at equilibrium:...Ch. 16 - Consider this reaction at equilibrium:...Ch. 16 - Consider this reaction at equilibrium:...Ch. 16 - Prob. 66ECh. 16 - Each reaction is allowed to come to equilibrium,...Ch. 16 - Prob. 68ECh. 16 - This reaction is endothermic: C(s)+CO2(g)2CO(g)...Ch. 16 - This reaction is exothermic:...Ch. 16 - Coal, which is primarily carbon, can be converted...Ch. 16 - Coal can be used to generate hydrogen gas (a...Ch. 16 - Carbon monoxide replaces oxygen in oxygenated...Ch. 16 - Nitrogen monoxide is a pollutant in the lower...Ch. 16 - The reaction CO2(g)+C(s)2CO(g) has Kp= 5.78 at...Ch. 16 - A mixture of water and graphite is heated to 600...Ch. 16 - At 650 K, the reaction MgCO3(s)MgO(s)+CO2(g) has...Ch. 16 - A system at equilibrium contains I2(g) at a...Ch. 16 - Consider the exothermic reaction:...Ch. 16 - Consider the endothermic reaction:...Ch. 16 - Consider the reaction: H2(g)+I2(g)2HI(g) A...Ch. 16 - Prob. 82ECh. 16 - Prob. 83ECh. 16 - Prob. 84ECh. 16 - The system described by the reaction:...Ch. 16 - A reaction vessel at 27017°C contains a mixture of...Ch. 16 - At 70 K, CCl4 decomposes to carbon and chlorine....Ch. 16 - The equilibrium constant for the reaction...Ch. 16 - A sample of CaCO3(s) is introduced into a sealed...Ch. 16 - An equilibrium mixture contains N2O4, (P = O.28)...Ch. 16 - Carbon monoxide and chlorine gas react to form...Ch. 16 - Prob. 92ECh. 16 - Prob. 93ECh. 16 - Prob. 94ECh. 16 - Nitrogen monoxide reacts with chlorine gas...Ch. 16 - At a given temperature, a system containing O2(g)...Ch. 16 - A sample of pure NO2 is heated to 337 °C, at which...Ch. 16 - When N2O5(g) is heated, it dissociates into...Ch. 16 - A sample of SO3 is introduced into an evacuated...Ch. 16 - A reaction A(g)B(g) has an equilibrium constant of...Ch. 16 - The reaction A(g)2B(g) has an equilibrium constant...Ch. 16 - A particular reaction has an equilibrium constant...Ch. 16 - Consider the reaction: aA(g)bB(g) Each of the...Ch. 16 - Consider the simple one-step reaction: A(g)B(g)...
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- A solution is prepared by dissolving 0.050 mol of diiodocyclohexane, C5H10I2, in the solvent CCl4.The total solution volume is 1.00 L When the reaction C6H10I2 C6H10 + I2 has come to equilibrium at 35 C, the concentration of I2 is 0.035 mol/L. (a) What are the concentrations of C6H10I2 and C6H10 at equilibrium? (b) Calculate Kc, the equilibrium constant.arrow_forwardConsider 0.200 mol phosphorus pentachloride sealed in a 2.0-L container at 620 K. The equilibrium constant, Kc, is 0.60 for PCl5(g) PCl3(g) + Cl2(g) Calculate the concentrations of all species after equilibrium has been reached.arrow_forwardFor the reaction N2(g)+3H2(g)2NH3(g) show that Kc = Kp(RT)2 Do not use the formula Kp = Kc(RT)5n given in the text. Start from the fact that Pi = [i]RT, where Pi is the partial pressure of substance i and [i] is its molar concentration. Substitute into Kc.arrow_forward
- Consider the equilibrium N2(g)+O2(g)2NO(g) At 2300 K the equilibrium constant Kc = 1.7 103. If 0.15 mol NO(g) is placed into an empty, sealed 10.0-L flask and heated to 2300 K, calculate the equilibrium concentrations of all three substances at this temperature.arrow_forward12.103 Methanol, CH3OH, can be produced by the reaction of CO with H2, with the liberation of heat. All species in the reaction are gaseous. What effect will each of the following have on the equilibrium concentration of CO? (a) Pressure is increased, (b) volume of the reaction container is decreased, (c) heat is added, (d) the concentration of CO is increased, (e) some methanol is removed from the container, and (f) H2 is added.arrow_forwardGaseous acetic acid molecules have a certain tendency to form dimers. (A dimer is a molecule formed by the association of two identical, simpler molecules.) The equilibrium constant Kc at 25C for this reaction is 3.2 104. a If the initial concentration of CH3COOH monomer (the simpler molecule) is 4.0 104 M, what are the concentrations of monomer and dimer when the system comes to equilibrium? (The simpler quadratic equation is obtained by assuming that all of the acid molecules have dimerized and then some of it dissociates to monomer.) b Why do acetic acid molecules dimerize? What type of structure would you draw for the dimer? c As the temperature increases would you expect the percentage of dimer to increase or decrease? Why?arrow_forward
- At 2300 K the equilibrium constant for the formation of NO(g) is 1.7 103. N2(g) + O2(g) 2 NO(g) (a) Analysis shows that the concentrations of N2 and O2 are both 0.25 M, and that of NO is 0.0042 M under certain conditions. Is the system at equilibrium? (b) If the system is not at equilibrium, in which direction does the reaction proceed? (c) When the system is at equilibrium, what are the equilibrium concentrations?arrow_forwardAt high temperatures, a dynamic equilibrium exists between carbon monoxide, carbon dioxide, and solid carbon. C(s)+CO2(g)2CO(g);H=172.5kJ At 850C, Kc is 0.153. a What is the value of Kp? b If the original reaction system consisted of just carbon and 1.50 atm of CO2, what are the pressures of CO2 and CO when equilibrium has been established? c How will the equilibrium pressure of CO change if the temperature is decreased?arrow_forwardPhosphorus pentachloride, PCl5, decomposes on heating to give phosphorus trichloride, PCl5, and chlorine. PCl5(g)PCl3(g)+Cl2(g) A closed 2.90-L vessel initially contains 0.0564 mol PCl5. What is the total pressure at 250C when equilibrium is achieved? The value of Kc at 250C is 4.15 102.arrow_forward
- At room temperature, the equilibrium constant Kc for the reaction 2 NO(g) ⇌ N2(g) + O2(g) is 1.4 × 1030. Is this reaction product-favored or reactant-favored? Explain your answer. In the atmosphere at room temperature the concentration of N2 is 0.33 mol/L, and the concentration of O2 is about 25% of that value. Calculate the equilibrium concentration of NO in the atmosphere produced by the reaction of N2 and O2. How does this affect your answer to Question 11?arrow_forwardCarbon dioxide reacts with carbon to give carbon monoxide according to the equation C(s)+CO2(g)2CO(g) At 700. C, a 2.0-L sealed flask at equilibrium contains 0.10 mol CO, 0.20 mol CO2, and 0.40 mol C. Calculate the equilibrium constant KP for this reaction at the specified temperature.arrow_forwardDinitrogen tetroxide, N2O4, is a colorless gas (boiling point, 21C), which dissociates to give nitrogen dioxide, NO2 a reddish brown gas. N2O4(g)2NO2(g) The equilibrium constant Kc at 25C is 0.125. What percentage of dinitrogen tetroxidc is dissociated when 0.0400 mol N2O4 is placed in a 1.00-L flask at 25C?arrow_forward
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