A student ran the following reaction in the laboratory at 1098 K: 2 S03 (g) 2 So2 (g) + 02 (g) When she introduced 8.28x10-2 moles of SO3 (g) into a 1.00 liter container, she found the equilibrium concentration of O2 (g) to be 1.83x102 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc =

Chemistry: The Molecular Science
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Chapter19: The Chemistry Of The Main-group Elements
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Problem 60QRT
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A student ran the following reaction in the laboratory at 1098 K:
2 S03 (g)
2 SO2 (g) + O2 (g)
When she introduced 8.28x10-2 moles of So3 (g) into a 1.00 liter container, she found the equilibrium
concentration of 02 (g) to be 1.83×10-2 M.
Calculate the equilibrium constant, Kc, she obtained for this reaction.
Kc
Transcribed Image Text:A student ran the following reaction in the laboratory at 1098 K: 2 S03 (g) 2 SO2 (g) + O2 (g) When she introduced 8.28x10-2 moles of So3 (g) into a 1.00 liter container, she found the equilibrium concentration of 02 (g) to be 1.83×10-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc
Consider the following system at equilibrium where AH° = -87.9 kJ, and Kc = 83.3, at 500 K.
%3D
PCI3(9) + Cl2(g)
=PCI5(g)
When 0.11 moles of Cl2(g) are added to the equilibrium system at constant temperature:
The value of Kc
The value of Qc
Kc.
The reaction must
O run in the forward direction to restablish equilibrium.
run in the reverse direction to restablish equilibrium.
remain the same. It is already at equilibrium.
The concentration of PCI3 will
Transcribed Image Text:Consider the following system at equilibrium where AH° = -87.9 kJ, and Kc = 83.3, at 500 K. %3D PCI3(9) + Cl2(g) =PCI5(g) When 0.11 moles of Cl2(g) are added to the equilibrium system at constant temperature: The value of Kc The value of Qc Kc. The reaction must O run in the forward direction to restablish equilibrium. run in the reverse direction to restablish equilibrium. remain the same. It is already at equilibrium. The concentration of PCI3 will
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