Consider the reaction. PCI, (g) = PCI, (g) + Cl, (g) Ke = 0.0420 The concentrations of the products at equilibrium are [PCI3] = 0.240 M and [Cl2] = 0.140 M. What is the concentrati the reactant, PCI5, at equilibrium?

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Chapter1: Chemical Foundations
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PCl5=?
Consider the reaction.
PCI, (g) PCI, (g) + Cl,(g)
Ke
= 0.0420
The concentrations of the products at equilibrium are [PCI3] = 0.240 M and [Cl2] = 0.140 M. What is the concentration of
the reactant, PCI5, at equilibrium?
[PCI5] =
M
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Transcribed Image Text:Consider the reaction. PCI, (g) PCI, (g) + Cl,(g) Ke = 0.0420 The concentrations of the products at equilibrium are [PCI3] = 0.240 M and [Cl2] = 0.140 M. What is the concentration of the reactant, PCI5, at equilibrium? [PCI5] = M contact us help terms of use careers privacy policy about us MacBook Air
Expert Solution
Step 1

Chemical Equilibrium in a reversible reaction is a state at which both backward and forward reactions occur at the same rate. The Equilibrium constant at a given temperature is the ratio of rate constant of forward reactions and backward reactions.

K=KfKb

It is of 2 type 

  • Equilibrium concentrationKc: if term concentration is used with the equilibrium constant
  • Equilibrium Pressure constantKp: if term pressure is used with the equilibrium constant
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