What is Le Châtelier’s principle? Consider the reaction 2 NOCI ( g ) ⇌ 2 NO ( g ) + Cl 2 ( g ) If this reaction is at equilibrium. what happens when the following changes occur? a . NOCI( g ) is added. b . NO( g ) is added. c . NOCI( g ) is removed. d . Cl 2 ( g ) is removed. e . The container volume is decreased. For each of these changes, what happens to the value of K for the reaction as equilibrium is reached again? Give an example of a reaction for which the addition or removal of one of the reactants or products has no effect on the equilibrium position. In general, how will the equilibrium position of a gas-phase reaction be affected if the volume of the reaction vessel changes? Are there reactions that will not have their equilibria shifted by a change in volume? Explain. Why does changing the pressure in a rigid container by adding an inert gas not shift the equilibrium position for a gas-phase reaction?
What is Le Châtelier’s principle? Consider the reaction 2 NOCI ( g ) ⇌ 2 NO ( g ) + Cl 2 ( g ) If this reaction is at equilibrium. what happens when the following changes occur? a . NOCI( g ) is added. b . NO( g ) is added. c . NOCI( g ) is removed. d . Cl 2 ( g ) is removed. e . The container volume is decreased. For each of these changes, what happens to the value of K for the reaction as equilibrium is reached again? Give an example of a reaction for which the addition or removal of one of the reactants or products has no effect on the equilibrium position. In general, how will the equilibrium position of a gas-phase reaction be affected if the volume of the reaction vessel changes? Are there reactions that will not have their equilibria shifted by a change in volume? Explain. Why does changing the pressure in a rigid container by adding an inert gas not shift the equilibrium position for a gas-phase reaction?
Solution Summary: The author explains Le Chatelier's principle, which states that if there is a change in temperature, pressure or concentration of any system, the position of equilibrium will shift in the direction that overcomes that change.
What is Le Châtelier’s principle? Consider the reaction
2
NOCI
(
g
)
⇌
2
NO
(
g
)
+
Cl
2
(
g
)
If this reaction is at equilibrium. what happens when the following changes occur?
a. NOCI(g) is added.
b. NO(g) is added.
c. NOCI(g) is removed.
d. Cl2(g) is removed.
e. The container volume is decreased.
For each of these changes, what happens to the value of K for the reaction as equilibrium is reached again? Give an example of a reaction for which the addition or removal of one of the reactants or products has no effect on the equilibrium position.
In general, how will the equilibrium position of a gas-phase reaction be affected if the volume of the reaction vessel changes? Are there reactions that will not have their equilibria shifted by a change in volume? Explain. Why does changing the pressure in a rigid container by adding an inert gas not shift the equilibrium position for a gas-phase reaction?
Draw the major products of the
following reaction:
HCI
For each molecule, assign each stereocenter as R or S. Circle the meso compounds. Label each compound as chiral or achiral.
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Organic Chemistry II Lecture (mx
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Curved arrows are used to illustrate the flow of electrons. Using
the provided starting and product structures, draw the curved
electron-pushing arrows for the following reaction or
mechanistic step(s).
Be sure to account for all bond-breaking and bond-making
steps.
Problem 25 of 35
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CH3CH2OK, CH3CH2OH
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Chapter 13 Solutions
Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition
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