N204(0) + 2NO2(g) Colorless Brown
Keq = 6.16 x 103
What is the predicted direction of change?

setup 1 : to the right

setup 2 : equilibrium

setup 3 : to the left

The reaction quotient (Q) : determine a reaction has reached equilibrium

For reaction :

aA+bB⇔cC+dD

Comparing Q with K( the equilibrium constant) :

K is the product of ions in an equilibrium saturated state  

Q is the product of the ion ions from the reacting substance  

Q <K = solution has not occurred precipitation, the ratio of the products to reactants is less than the ratio at equilibrium. The reaction moved to the right (products)

Q = Ksp = saturated solution, exactly the precipitate will occur, the system at equilibrium

Q> K = sediment solution, the ratio of the products to reactants is greater than the ratio at equilibrium. The reaction moved to the left (reactants)

Keq = 6.16 x 10⁻³

Q for reaction N₂O₄(0) ⇒ 2NO₂(g)

Setup 1 :

Q<K⇒The reaction moved to the right (products)

Setup 2 :

Q=K⇒the system at equilibrium

Setup 3 :

Q>K⇒The reaction moved to the left (reactants)

yes

explanation:

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