18 -Chemical Equilibrium

At ____ opposing processes occur at the same time and the same rate.

• the end point

• balance point

• equilibrium

• steady state

Tags

NGSS.HS-PS1-6

Reversible reactions will reach chemical equilibrium when the ____ of the forward reaction is equal to the reverse reaction.

• total amount

• rate

• temperature

• Molarity

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

The actual value for the equilibrium constant, K, is determined (measured) experimentally.

• true

• false

Large numeric values for the equilibrium constant, K, show that the reaction favors ____.

• reactants

• products

Tags

NGSS.HS-PS1-6

Reversible reactions are indicated with an arrow pointing in both directions.

• true

• false

Given the following values for the equilibrium constant (K) determine if products or reactants would be favored ____.

K = 2.1 x 10 ^{- 5}

• reactant(s)

• product(s)

Tags

NGSS.HS-PS1-6

If a system at equilibrium is subject to a stress, the equilibrium is shifted in the direction that tends to relieve the stress. This is a statement of ____.

• the Stressor theory

• the equilibrium constant

• the steady state law

• Le Chatelier’s principle

The addition of an amount H₂ will shift the equilibrium of the following reaction toward the ____.

• reactants

• products

• no change

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

The addition of an amount NH₃ will shift the equilibrium of the following reaction toward the ____.

• reactants

• products

• no change

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

The removal of an amount of N₂ will shift the equilibrium of the following reaction toward the ____.

• reactants

• products

• no change

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6