Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Macmillan Learning
Consider the reversible reaction.
PCI, PCl3 + Cl₂
What substances are present at equilibrium?
4
PCL,
CL,
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Are the concentrations of phosphorus pentachloride, PCI,, and phosphosphorus trichloride, PC13, constant or changing
at equilibrium?
O The concentrations of both PC1, and PC1, are constant at equilibrium.
O The concentration of PCI, is constant, and the concentration of PCI, is changing at equilibrium.
O The concentration of PCI, is changing, and the concentration of PC1, is constant at equilibrium.
O The concentrations of both PC1, and PC1, are changing at equilibrium.
PCI,
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How does the equilibrium change if more chlorine, Cl₂, is added to the reaction?
O The equilibrium shifts to the right.
O The equilibrium does not shift to either the left or the right.
O The equilibrium shifts to the left.
If more phosphorus pentachloride, PC15, is added, how does the equilibrium change?
O The equilibrium shifts to the right.
O The equilibrium does not shift to either the left or the right.
O The equilibrium shifts to the left.
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