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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Problem 5
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5 of 10
I Review I Constants I Periodic Table
Learning Goal:
Part D
To use the equilibrium constant and Le Châtelier's
principle to determine how a reaction will respond
The following reaction is at equilibrium in a 2.0-L vessel:
to external factors.
N2 (g) +3H2 (g) = 2NH3(g),
How do the following actions affect the equilibrium of the reaction?
Ke = 6.0 × 105
A reaction is at equilibrium when the concentrations
of the reactants and products no longer change
over time. This does not mean the reaction is over;
rather, two competing reactions continue to occur
simultaneously at equal rates. The two competing
reactions are the forward reaction (reactants
products) and the reverse reaction (products
reactants).
Drag the appropriate items to their respective bins.
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If a reaction at equilibrium is subjected to a stress,
the concentrations of reactants and products adjust
to reestablish equilibrium. This is called Le
Châtelier's principle. A stress might be a change in
the concentration of reactants or products, a
change in the volume of the reaction container, a
change in temperature, or the addition of a catalyst.
add nitrogen gas
add catalyst
increase volume
decrease volume
remove hydrogen gas
No shift
Shift to products
Shift to reactants
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