Equilibrium

This symbol indicates that a reaction is _____

• reversible

• irreversible

Tags

NGSS.HS-PS1-6

Around what time does the reaction reach equilibrium?

• 25 min

• 70 min

• 45 min

• 80 min

Tags

NGSS.HS-PS1-6

Changes in pressure will only affect substances that are in the ______ state.

• solid

• gas

• liquid

Tags

NGSS.MS-PS1-4

What are the two factors that help determine that equilibrium is reached?

• Forward reaction rate is faster than the reverse and the concentrations are equal

• Forward and reverse reaction rates are equal and concentrations are equal

• Forward and reverse reaction rates are equal and concentrations are constant

Tags

NGSS.HS-PS1-6

When the rate of the forward reaction is equal to the rate of the backward reaction, the system is said to be in _____

• Chemical Balance

• Chemical Constant

• Chemical Reaction

• Chemical Equilibrium

Tags

NGSS.HS-PS1-6

Which of the two graphs reaches equilibrium?

• Neither

• The left

• Both

• The right

Tags

NGSS.HS-PS1-6

For the reaction...

SO₂ + O₂ ⇌ SO₃

If the concentration of SO₂ is increased, the equilibrium of the reaction will shift ___________.

• left

• right

• left and right

• neither left or right

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

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

For the reaction...

SO₂ + O₂ <−> SO₃

If the equilibrium shifts to the right, the concentration of O₂ will ___________.

• increase

• decrease

• double

• stay the same

Tags

NGSS.HS-PS1-6

The following factors affect the position of equilibrium EXCEPT

• Concentration

• State of Matter

• Temperature

• Pressure

Tags

NGSS.HS-PS1-6