The Reaction Quotient Video Lessons

Example

# Problem: For the reaction 2A(g) ⇌ B(g), the equilibrium constant is Kp = 0.76. A reaction mixture initially contains 4.0 atm of gas (PA = 2.0 atm and PB = 2.0 atm). Which statement is true of the reaction mixture? (a) The reaction mixture will proceed toward products. (b) The reaction mixture is at equilibrium. (c) The reaction mixture will proceed toward reactants (d) It is not possible to determine from the information given the future direction of the reaction mixture.

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###### Problem Details

For the reaction 2A(g) ⇌ B(g), the equilibrium constant is Kp = 0.76. A reaction mixture initially contains 4.0 atm of gas (PA = 2.0 atm and PB = 2.0 atm).

Which statement is true of the reaction mixture?

(a) The reaction mixture will proceed toward products.

(b) The reaction mixture is at equilibrium.

(c) The reaction mixture will proceed toward reactants

(d) It is not possible to determine from the information given the future direction of the reaction mixture.