I don’t know how to do these two questions about Le Chatelier The equilibrium constant, K, for the following reaction is 5.75×10-² at 542 K.PCI5(g)=PC13(g) + Cl2(g)An equilibrium mixture of the three gases in a 9.88 L container at 542 K contains 0.223 M PCI5, 0.113 M PCI3 and 0.113 M Cl2. What will be theconcentrations of the three gases once equilibrium has been reestablished, if the volume of the container is increased to 17.7 L?[PCI3] =M[PCI3] =|M[Cl2] =MSubmit AnswerRetry Entire Group9 more group attempts remainingPreviousNextEmail InstructorSave and ExitCengage Learning | Cengage Technical SupportMacBook AirDIIDDF4F6F7F8F9F10F11F12$&)+46.789.YU{}HJVN M....V* 00BトR The equilibrium constant, K, for the following reaction is 4.21×10-² at 533 K.PCI5(g)=PCI3(g) + Cl2(g)An equilibrium mixture of the three gases in a 19.5 L container at 533 K contains 0.221 M PClg, 9.64×10² M PCIĄ and 9.64×10-² M CI,. What willbe the concentrations of the three gases once equilibrium has been reestablished, if the equilibrium mixture is compressed at constant temperature to avolume of 9.42 L?[PCI3] =M[PCI3] =[Cl2] =MSubmit AnswerRetry Entire Group9 more group attempts remaining(PreviousNextEmail InstructorSave and ExitCengage Learning | Cengage Technical SupportMacBook AirDIDDF4F5F7F8F9F10F11F12$&一46789.deleRY{}PGJKVN?IL +....V* COBト

Since you have posted multiple questions, we are entitled to answer the first only. The equilibrium…

Answered: The equilibrium constant, K, for the…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 60QRT

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Again the experiment in Exercise 12.33 was redesigned. This time, 0.15 mol each of N, and O2 was injected into a 5.0-L container at 2500 K, at which the equilibrium constant is 3.6 X 10-?. What was the composition of the reaction mixture at equilibrium? l'he following reaction establishes equilibrium at 2000 K: N2(g) + O2(g) *2 2 NO K = 4.1 X IO-4 If the reaction began with 0.100 mol L-1 of N2 and 0.100 mol L-’ ofO2, what were the equilibrium concentrations of all species?
A sample of gaseous nitrosyl bromide (NOBr) was placed in a container tiued with a frictionless, massless piston, where it decomposed at 25C according to the following equation: 2NOBr(g)2NO(g)+Br2(g) The initial density of the system was recorded as 4.495 g/L. After equilibrium was reached, the density was noted to be 4.086 g/L. a. Determine the value of the equilibrium constant K for the reaction. b. If Ar(g) is added to the system at equilibrium at constant temperature, what will happen to the equilibrium position? What happens to the value of K? Explain each answer
Equilibrium exists between butane and isobutane when [butane] = 0.020 M and [isobutane] = 0.050 M. An additional 0.0200 mol/L of isobutane is added to the mixture. What are the concentrations of butane and isobutane after equilibrium has again been attained?
1’he reaction in Exercise 12.33 was repeated. This time, the reaction began when only NO was injected into the reaction container. 110.200 mol L_l NO was injected, what were the equilibrium concentrations of all species? The following reaction establishes equilibrium at 2000 K: N2(g) + O2(g) ^2 NO K = 4.1 X 10~4 If the reaction began with 0.100 mol L-1 of N2 and 0.100 mol L"' ofO2, what were the equilibrium concentrations of all species?
Consider 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.
Because calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go a step further and examine the equilibrium between carbonate ion and CaCOj. The reaction is Ca2+(aq) + COj2_(aq) ** CaCO,(s) The equilibrium constant for this reaction is 2.1 X 10*. If the initial calcium ion concentration is 0.02 AI and the carbonate concentration is 0.03 AI, what are the equilibrium concentrations of the ions? A student is simulating the carbonic acid—hydrogen carbonate equilibrium in a lake: H2COj(aq) H+(aq) + HCO}‘(aq) K = 4.4 X 10"7 She starts with 0.1000 AI carbonic acid. What are the concentrations of all species at equilibrium?
Describe a nonchemical system that is in equilibrium, and explain how the principles of equilibrium apply to the system.
Draw a nanoscale (particulate) level diagram for an equilibrium mixture of
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?
Write the equilibrium constant expression for each reaction in terms of activities, simplifying where appropriate. a C(s)+O2(g)CO2(g) b P4(s)+5O2(g)P4O10(s) c 2HNO2(g)+3Cl2(g)2NCl3(g)+H2(g)+2O2(g)
The equilibrium constant Kc, for the reaction 2 NOCI(g) 2 NO(g) + Cl2(g) is 3.9 103 at 300 C. A mixture contains the gases at the following concentrations: [NOCl] = 5.0 103 mol/L, [NO] = 2.5 103 mol/L, and [Cl2] = 2.0 103 mol/L. Is the reaction at equilibrium at 300 C? If not, in which direction does the reaction proceed to come to equilibrium?
The density of trifluoroacetic acid vapor was determined at 118.1 C and 468.5 torr, and found to be 2.784 g/L. Calculate KC for the association of the acid.

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