Equilibrium and Le Chatelier

When the forward and reverse reactions are occurring at the same rate, the reaction is said to be at:

• Chemical equilibrium

• Chemical reaction

• Chemical constant

• Chemical peace

Tags

NGSS.HS-PS1-5

Which of the following statements is not correct regarding equilibrium?

• Equilibrium is achieved when the product and reactant concentrations are the same

• Equilibrium is achieved when the concentrations of all reactants is constant

• Equilibrium is achieved when the forward and reverse reactions are equal

• Equilibrium is achieved when the ratio of products to reactants is constant

Which of the following is true if the value of the equilibrium constant, K, is greater than 1

• Products are favored over reactants

• Reactants are favored over products

• Reactants and products are equally favored

Which of the following is true if the value of the equilibrium constant, K, is less than 1

• Products are favored over reactants

• Reactants are favored over products

• Reactants and products are equally favored

Which of the following factors has no effect on the position of the chemical equilibrium for a reaction?

• Pressure

• Temperature

• Catalyst

• Concentration

Tags

NGSS.HS-PS1-6

the idea that states when a change is introduced to a system in equilibrium, the system shifts in the direction that relieves the change

• mole

• molar mass

• equilibrium

• Le Chatelier's principle

a state in which the forward and reverse paths of a chemical reaction take place at the same rate

• equilibrium

• chemical energy

• catalyst

• concentration

Tags

NGSS.HS-PS1-6

a chemical reaction in which the conversion of reactants into products and the conversion of products into reactants occurs at the same time

• Avogadro's number

• mole

• reversible reaction

• Le Chatelier's Principle

Tags

NGSS.HS-PS1-6

Complete these sentences on Reversible Reactions... Reversible reactions reach e__________. Products can also react to reform r_______(s). As reactants react concentration f___(s) - Forward reactions s___(s) down As more products are made concentration i________(s) - Backward reaction s____(s) up

Tags

NGSS.HS-PS1-5

Complete these sentences on Le Chatelier's Principle...

Reversible reactions try to c_________ c_____(s).

If you change the c________(s) of a reversible reaction at e__________, the system will try to c_________ the change.

Tags

NGSS.HS-PS1-5