Equilibrium Constant

Use an ICE Table to find the equilibrium constant.

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Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

Determine the concentration of HBr(g)

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NGSS.HS-PS1-5

When K_eq < 1,

• There are more products than reactants when the reaction reached equilibrium.

• There are more reactant than products when the reaction reached equilibrium.

• The amount of reactants is equal to the amount of products.

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NGSS.HS-PS1-6

Which of the two graphs reaches equilibrium?

• The left one.

• The right one.

• Both of them.

• Neither.

Which of the following is NOT true at equilibrium?

• The concentrations of reactants and products do not change.

• The forward and reverse reactions proceed at the same rate.

• The concentration of the reactants is equal to the concentration of the products.

• The forward and reverse reactions continue to occur.

Tags

NGSS.HS-PS1-6

What is the reaction/equation for this K_c expression_

• 2N₂ + O₂ ⇌ 2NO

• N₂ + O₂ ⇌ NO

• NO ⇌ 2NO

• N₂ + O₂ ⇌ 2NO

Tags

NGSS.HS-PS1-7

What is the equation/reaction for this Kc expression?

• O₃ ⇌ 3O₂

• 2O₃ ⇌ 3O₂

• 2O₃ ⇌ O₂

• 3O₂ ⇌ 2O₃

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

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-PS1-7