Consider the following equilibrium system that has an equilibrium constant, Keq, of 3.00: SO 16) + NO219) SO3(g) + NO(g) a) The initial concentrations are as follows: [SO2(e)] = 2.75M, [NO2(9)] = 0.25M, [SO3{9)] = 2.25M, [NO 9] = 1.25M Which direction will the system shift to reach equilibrium. b) Calculate the concentration of each species at equilibrium. c) If 0.85 moles of NO, gas was injected into 1.00 litre of this equilibrium system, calculate the concentrations of each gas when the second equilibrium has been reached.

Introductory Chemistry: A Foundation
8th Edition
ISBN:9781285199030
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter17: Equilibrium
Section: Chapter Questions
Problem 34QAP
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Consider the following equilibrium system that has an equilibrium constant, Keq,
of 3.00:
SO2(g) + NO2(g)
SO3(g) + NO(9)
a) The initial concentrations are as follows:
[SO2(9)] = 2.75M, [NO2(9)] = 0.25M,
[SO3{9)] = 2.25M, [NO(9)] = 1.25M
Which direction will the system shift to reach equilibrium.
b)
Calculate the concentration of each species at equilibrium.
If 0.85 moles of NO, gas was injected into 1.00 litre of this equilibrium
c)
system, calculate the concentrations of each gas when the second
equilibrium has been reached.
d) After the second equilibrium was reached a student added an unknown
amount of SO, gas. He found that the concentration of SO, gas increased by
0.65 M. How much SO3 gas did the student add to the system?
e)
Draw the concentration vs time graph to show how this system achieved
the first, the second equilibrium, and the third equilibrium. Yes, do this on
graph paper and paste it into your homework book.
Transcribed Image Text:Consider the following equilibrium system that has an equilibrium constant, Keq, of 3.00: SO2(g) + NO2(g) SO3(g) + NO(9) a) The initial concentrations are as follows: [SO2(9)] = 2.75M, [NO2(9)] = 0.25M, [SO3{9)] = 2.25M, [NO(9)] = 1.25M Which direction will the system shift to reach equilibrium. b) Calculate the concentration of each species at equilibrium. If 0.85 moles of NO, gas was injected into 1.00 litre of this equilibrium c) system, calculate the concentrations of each gas when the second equilibrium has been reached. d) After the second equilibrium was reached a student added an unknown amount of SO, gas. He found that the concentration of SO, gas increased by 0.65 M. How much SO3 gas did the student add to the system? e) Draw the concentration vs time graph to show how this system achieved the first, the second equilibrium, and the third equilibrium. Yes, do this on graph paper and paste it into your homework book.
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