Zn(s)+Cu2+(aq)⇄Zn2+(aq)+Cu(s)Keq=2×1037 A 0.10mol sample of solid zinc was added to 500.0mL of 1.0M Cu(NO3)2(aq). After the mixture sits overnight, which of the following best describes what was most likely observed and measured the next morning and why? a)Almost all of the Zn(s) will still be in the beaker with no visible Cu(s), because equilibrium was not reached due to the very large Keq b) About half of the Zn(s) will have disappeared and Cu(s) will have appeared in the beaker, because the system reached equilibrium. c) About two-thirds of the Zn(s) had disappeared and Cu(s) will have appeared in the beaker, because the system reached equilibrium. d) Virtually all of the Zn(s) will have disappeared and Cu(s) will have appeared in the beaker, because the reaction went almost to completion at equilibrium due to the very large Keq.
Zn(s)+Cu2+(aq)⇄Zn2+(aq)+Cu(s)Keq=2×1037 A 0.10mol sample of solid zinc was added to 500.0mL of 1.0M Cu(NO3)2(aq). After the mixture sits overnight, which of the following best describes what was most likely observed and measured the next morning and why? a)Almost all of the Zn(s) will still be in the beaker with no visible Cu(s), because equilibrium was not reached due to the very large Keq b) About half of the Zn(s) will have disappeared and Cu(s) will have appeared in the beaker, because the system reached equilibrium. c) About two-thirds of the Zn(s) had disappeared and Cu(s) will have appeared in the beaker, because the system reached equilibrium. d) Virtually all of the Zn(s) will have disappeared and Cu(s) will have appeared in the beaker, because the reaction went almost to completion at equilibrium due to the very large Keq.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Zn(s)+Cu2+(aq)⇄Zn2+(aq)+Cu(s)Keq=2×1037
A 0.10mol sample of solid zinc was added to 500.0mL of 1.0M Cu(NO3)2(aq). After the mixture sits overnight, which of the following
best describes what was most likely observed and measured the next morning and why?
a)Almost all of the Zn(s) will still be in the beaker with no visible Cu(s), because equilibrium was not reached due to the very large Keq
b) About half of the Zn(s) will have disappeared and Cu(s) will
have appeared in the beaker, because the system reached equilibrium.
c) About two-thirds of the Zn(s) had disappeared and Cu(s) will have appeared in the beaker, because the system reached equilibrium.
d) Virtually all of the Zn(s) will have disappeared and Cu(s) will have appeared in the beaker, because the reaction went almost to completion at equilibrium due to the very large Keq.
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