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?
How much of each solution should be
used to prepare 1L of a buffer
solution with a pH of 9.45 using 3M
Na2CO3 and 0.2M HCI? Given: Ka
1 = 4.3 × 10-7, Ka2 = 4.69 × 10-11
Add substituents to draw the conformer below (sighting down
the indicated bond), then rotate the back carbon to provide the
anti staggered conformer.
+
H3C
H
Ph
H
Problem 25 of 30
Drawing
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and Rings
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what temperature does a 50% (mole
fraction) of ammonia/water liquid
mixture boil at 1 atm
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