equilibrium quiz

2A + 3B <---> 2AB

The forward reaction points toward the _____

• left

• up

• down

• right

Tags

NGSS.HS-PS1-6

For the reaction: SO2 + O2 <---> SO3

If the equilibrium shifts to the right, the concentration of SO3 will _____

• increase

• decrease

• remain same

• double

Tags

NGSS.HS-PS1-6

heat + N2 + O2 <---> 2NO

If O2 is removed, the concentration of N2 will ______

• increase

• decrease

• double

• remain the same

Tags

NGSS.HS-PS1-5

Nitric acid is a strong acid. This means that _____

• HNO3 produces a gaseous product when it is neutralized

• HNO3 cannot be neutralized by a weak base

• HNO3 doesn't dissociate at all when it is dissolved in water

• HNO3 dissociates completely to H+ and NO3^- when it dissolves in water

Tags

NGSS.HS-PS1-1

Lithium metal is placed in water and the dissolution of the lithium and evolution of a gas is observed

• Lithium is oxidized and water is reduced

• Lithium is reduced and water is oxidized

• Lithium is oxidized and oxygen is reduced

• Lithium hydroxide is oxidized and hydrogen is reduced.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The equilibrium constant is always written

• products over reactants

• reactants over products

• reactant times product

Which of the following is true?

• Bond energy is the specific amount of energy needed to break a bond

• Bond formation is an endothermic process

• Breaking bonds is an exothermic process

Tags

NGSS.HS-PS1-4

Which substance is reduced in the following reaction?

NaOH + Li --> LiOH + Na

• Li

• Na

• H

• O

Tags

NGSS.HS-PS1-2

N₂ +O₂ --> 2NO

Determine which substance is oxidized and which is reduced.

• Nitrogen is oxidized and Oxygen is reduced.

• Nitrogen is reduced and Oxygen is oxidized.

If the reaction quotient Q has a smaller value than the related equilibrium constant, K,

• the reaction is at equilibrium.

• the reaction is not at equilibrium, and will make more products at the expense of reactants.

• the reaction is not at equilibrium, and will make more reactants at the expense of products.

• the value of K will decrease until it is equal to Q.