Equilibrium Constant (Kc or Keq)

What is the reaction/equation for this K_c expression_

• 2N₂ + O₂ ⇌ 2NO

• N₂ + O₂ ⇌ NO

• NO ⇌ 2NO

• N₂ + O₂ ⇌ 2NO

What is the equation/reaction for this Kc expression?

• O₃ ⇌ 3O₂

• 2O₃ ⇌ 3O₂

• 2O₃ ⇌ O₂

• 3O₂ ⇌ 2O₃

Tags

NGSS.HS-PS1-7

If K_c is large that means the concentration of the __________ is high and therefore the concencentration of the __________ is low.

• reactants, products

• species, products

• products, reactants

• species, reactants

Tags

NGSS.HS-PS1-6

If K_c is small that means the concentration of the __________ is high and therefore the concencentration of the __________ is low.

• reactants, products

• species, products

• products, reactants

• species, reactants

The Kc expression for the reaction 2NH₃ ⇌ N₂ + 3H₂

• 
• 
• 
• 

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7

Kc = ?

• products / reactants

• reactants /products

The square brackets in a K_c expression represent ?

• concentration

• concentration in mol L^-1

• concentration in g L^-1

• the same as round brackets

Tags

NGSS.HS-PS1-5

For the equilibrium: C + H₂O ⇌ CO + H₂ K_c = 1.6 x10^-21

State the position of the equlibrium

• To the left

• To the right

• even