General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Chapter 14, Problem 14.48QP
A 2 00-mol sample of nitrogen dioxide was placed in an 80.0-L vessel. At 200°C, the nitrogen dioxide was 6.0% decomposed according to the equation
Calculate the value of Kc for this reaction at 200°C. (See Problem 14.47.)
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Chapter 14 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 14.1 - Synthesis gas (a mixture of CO and H2) is...Ch. 14.1 - Two substances A and B react to produce substance...Ch. 14.2 - a. Write the equilibrium-constant expression Kc...Ch. 14.2 - When 1.00 mol each of carbon monoxide and water...Ch. 14.2 - Hydrogen sulfide, a colorless gas with a foul...Ch. 14.2 - Phosphorus pentachloride dissociates on heating:...Ch. 14.2 - Consider the following hypothetical reactions. The...Ch. 14.3 - The Mond process for purifying nickel involves the...Ch. 14.4 - The equilibrium constant Kc for the reaction...Ch. 14.5 - A 10.0-L vessel contains 0.0015 mol CO2 and 0.10...
Ch. 14.5 - Carbon monoxide and hydrogen react in the presence...Ch. 14.6 - Phosphorus pentachloride gives an equilibrium...Ch. 14.6 - What is the equilibrium composition of a reaction...Ch. 14.6 - Phosphorus pentachloride, PCl5, decomposes when...Ch. 14.6 - Prob. 14.4CCCh. 14.7 - Prob. 14.12ECh. 14.8 - Can you increase the amount of product in each of...Ch. 14.8 - Prob. 14.14ECh. 14.8 - Prob. 14.5CCCh. 14.8 - Prob. 14.15ECh. 14 - Consider the reaction N2O4(g)2NO2(g). Draw a graph...Ch. 14 - When 1.0 mol each of H2(g) and I2(g) are mixed at...Ch. 14 - Prob. 14.3QPCh. 14 - Obtain the equilibrium constant for the reaction...Ch. 14 - Which of the following reactions involve...Ch. 14 - Prob. 14.6QPCh. 14 - Prob. 14.7QPCh. 14 - Prob. 14.8QPCh. 14 - Prob. 14.9QPCh. 14 - Prob. 14.10QPCh. 14 - How is it possible for a catalyst to give products...Ch. 14 - Prob. 14.12QPCh. 14 - A chemist put 1.18 mol of substance A and 2.85 mol...Ch. 14 - The reaction 3A(g)+B(s)2C(aq)+D(aq) occurs at 25C...Ch. 14 - A graduate student places 0.272 mol of PCl3(g) and...Ch. 14 - An experimenter places the following...Ch. 14 - Chemical Equilibrium I Part 1: You run the...Ch. 14 - Chemical Equilibrium II Magnesium hydroxide....Ch. 14 - During an experiment with the Haber process, a...Ch. 14 - Suppose liquid water and water vapor exist in...Ch. 14 - A mixture initially consisting of 2 mol CO and 2...Ch. 14 - Prob. 14.22QPCh. 14 - For the reaction 2HI(g)H2(g)+I2(g) carried out at...Ch. 14 - An experimenter introduces 4.0 mol of gas A into a...Ch. 14 - The following reaction is earned out at 500 K in a...Ch. 14 - For the endothermic reaction AB(g)A(g)+B(g), the...Ch. 14 - Prob. 14.27QPCh. 14 - Prob. 14.28QPCh. 14 - A 2.500-mol sample of phosphorus pentachloride,...Ch. 14 - You place 4.00 mol of dinitrogen trioxide, N2O3,...Ch. 14 - You place 0.600 mol of nitrogen, N2, and 1.800 mol...Ch. 14 - Nitrogen monoxide, NO, reacts with bromine, Br2,...Ch. 14 - In the contact process, sulfuric acid is...Ch. 14 - Methanol, CH3OH, formerly known as wood alcohol,...Ch. 14 - Write equilibrium-constant expressions Kc for each...Ch. 14 - Write equilibrium-constant expressions Kc for each...Ch. 14 - The equilibrium-constant expression for a gas...Ch. 14 - Prob. 14.38QPCh. 14 - The equilibrium-constant expression for a reaction...Ch. 14 - Prob. 14.40QPCh. 14 - The equilibrium constant Kc, for the equation...Ch. 14 - The equilibrium constant Kc for the equation...Ch. 14 - A 13.0-L reaction vessel at 499C contained...Ch. 14 - A 4.00-L vessel contained 0.0148 mol of phosphorus...Ch. 14 - Obtain the value of Kc for the following reaction...Ch. 14 - Obtain the value of Kc for the following reaction...Ch. 14 - At 60C, 3.76 mol of nitrosyl bromide, NOBr, placed...Ch. 14 - A 2 00-mol sample of nitrogen dioxide was placed...Ch. 14 - Write equilibrium-constant expressions Kp for each...Ch. 14 - Write equilibrium-constant expressions Kp for each...Ch. 14 - The value of Kc for the following reaction at 298C...Ch. 14 - The equilibrium constant Kc equals 0.0952 for the...Ch. 14 - The reaction SO2(g)+12O2(g)SO3(g) has Kp equal to...Ch. 14 - Fluorine, F2, dissociates into atoms on heating....Ch. 14 - Write the expression for the equilibrium constant...Ch. 14 - For each of the following equations, give the...Ch. 14 - On the basis of the value of Kc decide whether or...Ch. 14 - Would either of the following reactions go almost...Ch. 14 - Hydrogen fluoride decomposes according to the...Ch. 14 - Suppose sulfur dioxide reacts with oxygen at 25C....Ch. 14 - The following reaction has an equilibrium constant...Ch. 14 - The following reaction has an equilibrium constant...Ch. 14 - Methanol, CH3OH, is manufactured industrially by...Ch. 14 - Sulfur trioxide, used to manufacture sulfuric...Ch. 14 - Phosgene, COCl2, used in the manufacture of...Ch. 14 - Nitrogen monoxide, NO, is formed in automobile...Ch. 14 - Iodine and bromine react to give iodine...Ch. 14 - Initially a mixture contains 0.850 mol each of N2...Ch. 14 - Calculate the composition of the gaseous mixture...Ch. 14 - The equilibrium constant Kc, for the reaction...Ch. 14 - Suppose 1.000 mol CO and 3.000 mol H2 are put in a...Ch. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - Consider the equilibrium FeO(s)+CO(g)Fe(s)+CO2(g)...Ch. 14 - a Predict the direction of reaction when chlorine...Ch. 14 - What would you expect to be the effect of an...Ch. 14 - Indicate whether either an increase or a decrease...Ch. 14 - Methanol is prepared industrially from synthesis...Ch. 14 - One way of preparing hydrogen is by the...Ch. 14 - Use thermochemical data (Appendix C) to decide...Ch. 14 - Use thermochemical data (Appendix C) to decide...Ch. 14 - What would you expect to be the general...Ch. 14 - Predict the general temperature and pressure...Ch. 14 - A mixture of carbon monoxide, hydrogen, and...Ch. 14 - Prob. 14.84QPCh. 14 - At 850C and 1.000 atm pressure, a gaseous mixture...Ch. 14 - An equilibrium mixture of dinitrogen tetroxide,...Ch. 14 - A 2.50-L vessel contains 1.75 mol N2, 1.75 mol H2,...Ch. 14 - A vessel originally contained 0.0200 mol iodine...Ch. 14 - A gaseous mixture containing 1.00 mol each of CO,...Ch. 14 - A 2.0-L reaction flask initially contains 0.010...Ch. 14 - Hydrogen bromide decomposes when heated according...Ch. 14 - Iodine monobromide, IBr, occurs as brownish-black...Ch. 14 - Phosgene, COCl2, is a toxic gas used in the...Ch. 14 - Dinitrogen tetroxide, N2O4, is a colorless gas...Ch. 14 - Prob. 14.95QPCh. 14 - Prob. 14.96QPCh. 14 - The amount of nitrogen dioxide formed by...Ch. 14 - The equilibrium constant Kc for the synthesis of...Ch. 14 - For the reaction N2(g)+3H2(g)2NH3(g) show that Kc...Ch. 14 - Prob. 14.100QPCh. 14 - At high temperatures, a dynamic equilibrium exists...Ch. 14 - At high temperatures, a dynamic equilibrium exists...Ch. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - At 25C in a closed system, ammonium hydrogen...Ch. 14 - At moderately high temperatures, SbCl5 decomposes...Ch. 14 - The following reaction is important in the...Ch. 14 - Sulfuryl chloride is used in organic chemistry as...Ch. 14 - Phosgene was used as a poisonous gas in World War...Ch. 14 - Gaseous acetic acid molecules have a certain...Ch. 14 - Gaseous acetic acid molecules have a certain...Ch. 14 - When 0.112 mol of NO and 18.22 g of bromine are...Ch. 14 - Prob. 14.112QPCh. 14 - Prob. 14.113QPCh. 14 - Prob. 14.114QPCh. 14 - A chemist placed a mixture of CO2(g) and CF4(g)...Ch. 14 - Prob. 14.116QPCh. 14 - Prob. 14.117QPCh. 14 - The equilibrium constant Kc for the equation...Ch. 14 - Consider the reaction N2O4(g)2NO2(g). Would you...Ch. 14 - A researcher put 0.400 mol PCl3 and 0.600 mol Cl2...Ch. 14 - Ammonium hydrogen sulfide. NH4HS, is unstable at...Ch. 14 - A chemist wants to prepare phosgene, COCl2, by the...Ch. 14 - Prob. 14.123QPCh. 14 - Prob. 14.124QPCh. 14 - Prob. 14.125QPCh. 14 - A container with a volume of 1.500 L was evacuated...Ch. 14 - Prob. 14.127QPCh. 14 - Prob. 14.128QPCh. 14 - Prob. 14.129QPCh. 14 - Sulfur dioxide reacts with oxygen to produce...Ch. 14 - Molecular bromine, Br2, dissociates at elevated...Ch. 14 - Consider the production of ammonia from its...Ch. 14 - A mixture of 0.0565 mol phosphorus pentachloride,...Ch. 14 - Calcium carbonate, CaCO3, decomposes when heated...Ch. 14 - The following equilibrium was studied by analyzing...Ch. 14 - Prob. 14.136QPCh. 14 - Phosphorus pentachloride, PCl5, decomposes on...Ch. 14 - Antimony(V) chloride. SbCl5, decomposes on heating...
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- For 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_forwardShow that the complete chemical equation, the total ionic equation, and the net ionic equation for the reaction represented by the equation KI(aq)+I2(aq)KI3(aq) give the same expression for the reaction quotient. KI3 is composed of the ions K+ and I3-.arrow_forwardThe equilibrium constant Kc for the synthesis of methanol, CH3OH. CO(g)+2H2(g)CH3OH(g) is 4.3 at 250C and 1.8 at 275C. Is this reaction endothermic or exothermic?arrow_forward
- In a 3.0-L vessel, the following equilibrium partial pressures are measured: N2, 190 torr; H2, 317 torr; NH3, 1.00103 torr. N2(g)+3H2(g)2NH3(g) (a) How will the partial pressures of H2, N2, and NH3 change if H2 is removed from the system? Will they increase, decrease, or remain the same? (b) Hydrogen is removed from the vessel until the partial pressure of nitrogen, at equilibrium, is 250 torr. Calculate the partial pressures of the other substances under the new conditions.arrow_forwardNitrosyl chloride, NOC1, decomposes to NO and Cl2 at high temperatures. 2 NOCl(g) ⇌ 2 NO(g) + Cl2(g) Suppose you place 2.00 mol NOC1 in a 1.00–L flask, seal it, and raise the temperature to 462 °C. When equilibrium has been established, 0.66 mol NO is present. Calculate the equilibrium constant Kc for the decomposition reaction from these data.arrow_forwardKc = 5.6 1012 at 500 K for the dissociation of iodine molecules to iodine atoms. I2(g) 2 I(g) A mixture has [I2] = 0.020 mol/Land [I] = 2.0 108 mol/L. Is the reaction at equilibrium (at 500 K)? If not, which way must the reaction proceed to reach equilibrium?arrow_forward
- Gaseous acetic acid molecules have a certain tendency to form dimers. (A dimer is a molecules formed by the association of two identical, simpler molecules.) The equilibrium constant Kp at 25C for this reaction is 1.3 103. a If the initial pressure of CH3COOH monomer (the simpler molecule) is 7.5 103 atm, what are the pressures 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 decreases, would you expect the percentage of dimer to increase or decrease? Why?arrow_forwardCyclohexane, C6H12, a hydrocarbon, can isomerize or change into methylcyclopentane, a compound of the same formula (C5H9CH3) but with a different molecular structure. sssss The equilibrium constant has been estimated to be 0.12 at 25 C. If you had originally placed 0.045 mol of cyclohexane in a 2.8-L flask, what would be the concentrations of cyclohexane and methylcyclopentane when equilibrium is established?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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