Tiny samples of aqueous solutions are sketched below, as if under a microscope so powerful that Individual molecules could be seen. (The water molecules are not shown.) The two substances in each sample can interconvert. That is, each kind of molecule can turn into the other. The equilibrium constant K for each interconversion equilibrium is shown below the sketch. Decide whether each solution is at equilibrium. At equilibrium? O no O yes K-11 At equilibrium? O no O yes X

Tiny samples of aqueous solutions are sketched below, as if under a microscope so powerful that Individual molecules could be seen. (The water molecules are not shown.) The two substances in each sample can interconvert. That is, each kind of molecule can turn into the other. The equilibrium constant K for each interconversion equilibrium is shown below the sketch. Decide whether each solution is at equilibrium. At equilibrium? O no O yes K-11 At equilibrium? O no O yes X

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The equilibrium constant, K, for the following reaction is 10.5 at 350 K. 2CH,Cl2(g) ? CH,(g) + CCl4(g) An equilibrium mixture of the three gases in a 1.00 L flask at 350 K contains 5.43x10-2 M CH,Cl,, 0.176 M CH, and 0.176 M CCL. What will be the concentrations of the three gases once equilibrium has been reestablished, if 0.124 mol of CH,(g) is added to the flask? [CH,Cl,] = M [CH4) M [CCL] M
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Consider the following equilibrium with K = 2.3 x 10-6: N2 ) + 3H2 (g) 2NH3 (g) 0.1 moles of N2, 0.1 moles of H2, and 0.01 moles of NH3 are placed in a 1 L container. Which of the following is true? O Q > K, the reaction will produce more products O Q = K, the reaction is at equilibrium O Q K, the reaction will produce more reactants
When a reaction's reaction quotient is smaller than its equilibrium constant, what does this indicate about the reaction's equilibrium? The reaction must proceed in the reverse direction to return to equilibrium. The reaction is at equilibrium and will not change. O The reaction must proceed in the forward direction to return to equilibrium. O Nothing. There is no relationship between the reaction quotient and equilibrium constant.
A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 CH₂(g) C₂H₂(g) + 3H₂(g) K₂=2.x10-5 P He fills a reaction vessel at this temperature with 15. atm of methane gas. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of C₂H₂, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of C₂H₂ at right. Round your answer to 1 significant digit. yes no atm ☐ x10 X ?
At a certain temperature, the equilibrium constant K for the following reaction is 0.0096 : N,(8) + O,(g) – 2 NO(g) Use this information to complete the following table. Suppose a 13. L reaction vessel is filled with 0.89 mol of NO. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little N2 and 02. There will be very little NO. ? O Neither of the above is true. What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 0 2 NO(9) N,(9)+0,(9) 1, What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 0 2 N3(9)+20,(9) 4 NO(9) 1.
SC At a certain temperature, the equilibrium constant K for the following reaction is 506.: Br₂(g) + OC1₂(g) BrOCI(g) + BrCl(g) Use this information to complete the following table. Suppose a 46. L reaction vessel is filled with 0.62 mol of Br₂ and 0.62 mol of OCI₂. What can you say about the composition of the mixture in the vessel at equilibrium? ! 1 What is the equilibrium constant for the following reaction? Round your answer to 3 significant digits. BrOCI(g)+BrCl(g) Q A What is the equilibrium constant for the following reaction? Round your answer to 3 significant digits. 2 Br₂(9)+20C1₂(9) P 2 BrOCI(g)+2BrCl(9) Explanation NO 2 W S Check *3 # E Br₂(9)+OCL₂(9) D D DS 4 C R F % LO 5 O There will be very little Br₂ and OCl₂. O There will be very little BrOCI and BrCl. ONeither of the above is true. K = 0 K = 0 T MacBook Pro 20 ^ 6 G Y C & 7 H 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy C U 00 8 J X I ( 9 K 0 0 < F
5. The equilibrium constant expression of a gas reaction is [CS2] [H2]* _ [CH4] [H2S]? K. Write the balanced chemical equation corresponding to this expression
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