In a chemistry class, Julio and Katie are performing an experiment. They mix two compounds together and observe a synthesis reaction. This means that:

d. a new, more complex compound is formed.

a. one of the compounds breaks down into at least two products.

b. a compound is decomposed by an electric current.

c. a compound burns in the presence of oxygen.

Which of the following is true about the Law of Conservation of Mass in a chemical reaction?

The mass of the reactants equals the mass of the products.

The mass of the reactants is greater than the mass of the products.

The mass of the reactants is less than the mass of the products.

The mass of the reactants is unrelated to the mass of the products.

In the reaction @@ ext{C}_6 ext{H}_{12} ext{O}_6 + 6 ext{O}_2 ightarrow 6 ext{CO}_2 + 6 ext{H}_2 ext{O}@@, what are the products?

$$\text{CO}_2$$ and $$\text{H}_2\text{O}$$

$$\text{C}_6\text{H}_{12}\text{O}_6$$ and $$\text{O}_2$$

$$\text{C}_6\text{H}_{12}\text{O}_6$$ and $$\text{CO}_2$$

$$\text{O}_2$$ and $$\text{H}_2\text{O}$$

Reactants and Products in Chemistry

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Science whiz Zoe just mixed some chemicals in a beaker and showed the equation to Ethan and Abigail. They're scratching their heads! Can you help them figure out: Is the equation balanced?

yes

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a thrilling chemistry class experiment, Noah and Ava mixed various chemicals together. To their amazement, new substances started to form! What do we call these new substances that appear as a result of a chemical reaction?

products

reactants

coefficients

subscripts

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Arjun, Aria, and William are having a heated debate in their chemistry class. They are discussing whether the equation H₂+O₂→H₂O follows the Law of Conservation of Mass. What do you think?

Yes, because the atoms are equal.

No, because more info is needed.

No, because there are more atoms in the product.

No, because there are more atoms in the reactant.

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nora, Henry, and Noah are having a debate. Nora thinks the equation is balanced, but Henry and Noah aren't sure. Who do you agree with?

I agree with Nora, the equation is balanced

I agree with Henry and Noah, the equation is not balanced

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

LABELLING QUESTION

1 min • 1 pt

Identify which are the products and reactants

reactants

products

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dejuan and Ashton are conducting a chemistry experiment. They observe that in a balanced chemical reaction, the total mass of the products always equals the

a. molar mass of the reactants.

b. atomic mass of the reactants.

c. total mass of the reactants.

d. proportional masses of the reactants.

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

During a chemistry experiment, Dejuan and Nataly mixed two substances together. One of the substances underwent a change in the chemical reaction. This substance is called

a. a product.

b. a chemical.

c. a reactant.

d. an enzyme.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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Reactants and Products in Chemistry

Science whiz Zoe just mixed some chemicals in a beaker and showed the equation to Ethan and Abigail. They're scratching their heads! Can you help them figure out: Is the equation balanced?

In a thrilling chemistry class experiment, Noah and Ava mixed various chemicals together. To their amazement, new substances started to form! What do we call these new substances that appear as a result of a chemical reaction?

Arjun, Aria, and William are having a heated debate in their chemistry class. They are discussing whether the equation H₂+O₂→H₂O follows the Law of Conservation of Mass. What do you think?

Nora, Henry, and Noah are having a debate. Nora thinks the equation is balanced, but Henry and Noah aren't sure. Who do you agree with?

Identify which are the products and reactants

Dejuan and Ashton are conducting a chemistry experiment. They observe that in a balanced chemical reaction, the total mass of the products always equals the

During a chemistry experiment, Dejuan and Nataly mixed two substances together. One of the substances underwent a change in the chemical reaction. This substance is called

In a chemistry class, Julio and Katie are performing an experiment. They mix two compounds together and observe a synthesis reaction. This means that:

During a chemistry experiment, Katie and Julio combined sodium and chlorine gas. What was the product of their synthesis reaction?

Za'kyrian and Harvey are conducting a chemistry experiment. They have 2H2O -->2H2+O2. How many moles of hydrogen gas are produced in this reaction?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Reactants and Products in Chemistry

Science whiz Zoe just mixed some chemicals in a beaker and showed the equation to Ethan and Abigail. They're scratching their heads! Can you help them figure out: Is the equation balanced?

In a thrilling chemistry class experiment, Noah and Ava mixed various chemicals together. To their amazement, new substances started to form! What do we call these new substances that appear as a result of a chemical reaction?

Arjun, Aria, and William are having a heated debate in their chemistry class. They are discussing whether the equation H2+O2 →H2O follows the Law of Conservation of Mass. What do you think?

Nora, Henry, and Noah are having a debate. Nora thinks the equation is balanced, but Henry and Noah aren't sure. Who do you agree with?

Identify which are the products and reactants

Dejuan and Ashton are conducting a chemistry experiment. They observe that in a balanced chemical reaction, the total mass of the products always equals the

During a chemistry experiment, Dejuan and Nataly mixed two substances together. One of the substances underwent a change in the chemical reaction. This substance is called

In a chemistry class, Julio and Katie are performing an experiment. They mix two compounds together and observe a synthesis reaction. This means that:

During a chemistry experiment, Katie and Julio combined sodium and chlorine gas. What was the product of their synthesis reaction?

Za'kyrian and Harvey are conducting a chemistry experiment. They have 2H2O -->2H2+O2. How many moles of hydrogen gas are produced in this reaction?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Arjun, Aria, and William are having a heated debate in their chemistry class. They are discussing whether the equation H₂+O₂→H₂O follows the Law of Conservation of Mass. What do you think?