Which of the following will increase the rate at which equilibrium is reached in a chemical reaction?

Decreasing the concentration of reactants

What is the primary cause of ocean acidification?

Rising levels of atmospheric carbon dioxide

During a chemistry class, Neha was asked to explain what the term "amphoteric" means. What should she say?

The ability to act as an acid or a base

The ability to conduct electricity

The ability to dissolve in water

ability to resist pH change when small amount of acid added

ability to prevent pH from decreasing

ability to resist a pH increase

Acidic buffer is made up of

weak acid and its conjugate base

weak acid and its conjugate salt

strong acid and its conjugate base

Basic buffer is made up of

weak base and its conjugate acid

weak base and its conjugate salt

strong base and its conjugate acid

Which of the following best describes activation energy in a chemical reaction?

The minimum energy required to start a reaction

The energy absorbed by the products

The energy stored in the reactants

The energy released when bonds are formed

How does a catalyst affect the activation energy of a reaction?

It decreases the activation energy

It increases the activation energy

It has no effect on activation energy

It eliminates the need for activation energy

Which of the following best describes a neutralization reaction?

Acid reacts with a base to form salt and water

Base reacts with metal to form hydrogen gas

Acid reacts with metal to form salt and hydrogen gas

Salt reacts with water to form acid and base

Acids, Bases & Ocean Acidification

Authored by Michelle Chen

Chemistry

10th Grade

43 Questions

NGSS covered

Used 12+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the reaction...
SO₂ + O₂ <=> SO₃
If the concentration of SO₂is increased, the equilibrium position of the reaction will shift ___________.

to the left

to the right

to the left and right

neither left nor right

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the reaction...
SO₂ + O₂ <=> SO₃If the equilibrium position shifts to the right, the concentration of O₂ will ___________.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the reaction...
N₂ + O₂ <=> 2NO
If O₂ is removed, the concentration of N₂ will _______.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the reaction...
heat +N₂ + O₂ <=> 2NO
If the temperature is increased the equilibrium position will shift _______.

to the left

to the right

to the left and right

neither left nor right

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two factors to look for when determining if the reaction is at equilibrium?

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

Forward and reverse reaction rates are equal and concentration is constant

Forward and revers reaction rates are equal and concentration is equal

Forward reaction rate is faster than the reverse and concentration is equal

Tags

NGSS.HS-PS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the incorrect statement about achieving equilibrium.

achieved when product and reactant concentrations are equal

achieved when forward and reverse reaction rates are same

achieved when concentration of reactants is stable/constant

achieved when concentration ratio of reactants to products becomes stable, thus fixing the equilibrium constant (equilibrium position)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A substance that is 3 on the pH scale would be a(n):

acid

base

neutral

solute

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Acids, Bases & Ocean Acidification

For the reaction...
SO₂ + O₂ <=> SO₃
If the concentration of SO₂is increased, the equilibrium position of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <=> SO₃If the equilibrium position shifts to the right, the concentration of O₂ will ___________.

For the reaction...
N₂ + O₂ <=> 2NO
If O₂ is removed, the concentration of N₂ will _______.

For the reaction...
heat +N₂ + O₂ <=> 2NO
If the temperature is increased the equilibrium position will shift _______.

What are the two factors to look for when determining if the reaction is at equilibrium?

Identify the incorrect statement about achieving equilibrium.

A substance that is 3 on the pH scale would be a(n):

Bases are located where on the pH scale?

Which of the following is NOT a characteristic of an acid?

NaOH is:

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Acids, Bases & Ocean Acidification

For the reaction...SO2 + O2 <=> SO3If the concentration of SO2 is increased, the equilibrium position of the reaction will shift ___________.

For the reaction...SO2 + O2 <=> SO3If the equilibrium position shifts to the right, the concentration of O2 will ___________.

For the reaction...N2 + O2 <=> 2NOIf O2 is removed, the concentration of N2 will _______.

For the reaction... heat +N2 + O2 <=> 2NO If the temperature is increased the equilibrium position will shift _______.

What are the two factors to look for when determining if the reaction is at equilibrium?

Identify the incorrect statement about achieving equilibrium.

A substance that is 3 on the pH scale would be a(n):

Bases are located where on the pH scale?

Which of the following is NOT a characteristic of an acid?

NaOH is:

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Popular Resources on Wayground

Discover more resources for Chemistry

For the reaction...
SO₂ + O₂ <=> SO₃
If the concentration of SO₂is increased, the equilibrium position of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <=> SO₃If the equilibrium position shifts to the right, the concentration of O₂ will ___________.

For the reaction...
N₂ + O₂ <=> 2NO
If O₂ is removed, the concentration of N₂ will _______.

For the reaction...
heat +N₂ + O₂ <=> 2NO
If the temperature is increased the equilibrium position will shift _______.