Which of the following equations are correctly balanced?

6CO 2 + 6H 2 O --> C 6 H 12 O 6 + 6O 2

12CO 2 +H 2 O --> C 6 H 12 O 6 + O 2

CO 2 + 9H 2 O --> C 6 H 12 O 6 + O 2

CO 2 + H 2 O --> 3C 6 H 12 O 6 + O 2

the process in which substances undergo chemical changes that result in the formation of new substances

a substance formed as a result of a chemical reaction

a change in matter that produces one or more new substances

a substance that enters into a chemical reaction

A representation of a chemical reaction

the starting materials in a chemical reaction

the new substances that are formed in a chemical reaction

tells how many atoms, molecules, or formula units take part in a reaction

Why is the following chemical equation not balanced? H 2 + O 2 --> H 2 O

each side of the equation has a different number of oxygen atoms

each side of the equation has a different number of hydrogen atoms

Which of the choices indicates the correct coefficients to balance this equation? _NaF + _Br 2 ---> _NaBr + _F 2

2 NaF + 1 Br 2 ---> 2 NaBr + 1 F 2

1NaF + 2 Br 2 ---> 1 NaBr + 2 F 2

2NaF + 2 Br 2 ---> 2 NaBr + 2 F 2

2 NaF + 3 Br 2 ---> 1 NaBr + 2 F 2

Which of the choices indicates the correct coefficients to balance this equation?_Na 3 PO 4+ _KOH ---> _NaOH + _ K 3 PO 4

1 Na 3 PO 4 +3 KOH ---> 3 NaOH + 1 K 3 PO 4

2 Na 3 PO 4 +2 KOH ---> 3 NaOH + 1 K 3 PO 4

1 Na 3 PO 4 +2 KOH ---> 2 NaOH + 1 K 3 PO 4

3 Na 3 PO 4 +3 KOH ---> 3 NaOH + 1 K 3 PO 4

Balancing Chemical Equations

Quiz

•

Chemistry

•

10th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-5, MS-PS1-1, HS-PS1-7

+1

Standards-aligned

Lisa Gandee

Used 67+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The red numbers in the image below represent ________

subscripts

coefficients

I don't know, and don't want to try

None of the answers are correct

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The blue numbers in the image below represent ________

I don't know, and don't want to try

coefficients

subscripts

none of the answers are correct

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In the equation, 2Mg + O₂ ---> 2MgO, which are the reactants?

Mg and O

MgO

Mg and MgO

O and MgO

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

2

6

1

4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the following equation balanced or unbalanced?
Fe + S --> FeS

balanced

unbalanced

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the Law of Conservation of Mass state?

Matter cannot be gained or lost in a chemical reaction.

Matter can only be lost in a chemical reaction.

Matter can only be gained in a chemical reaction.

Matter can be gained and lost in a chemical reaction.

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

Reactants

Products

Yields

Chemical Equation

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Balancing Chemical Equations

21 questions

The red numbers in the image below represent ________

The blue numbers in the image below represent ________

In the equation, 2Mg + O₂ ---> 2MgO, which are the reactants?

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

Is the following equation balanced or unbalanced?
Fe + S --> FeS

What does the Law of Conservation of Mass state?

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

What is the right part of a chemical equation called...
2H_{2 +}O₂ --> 2H₂O

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

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Discover more resources for Chemistry

Balancing Chemical Equations

21 questions

The red numbers in the image below represent ________

The blue numbers in the image below represent ________

In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?

How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3

Is the following equation balanced or unbalanced?Fe + S --> FeS

What does the Law of Conservation of Mass state?

What is the left part of a chemical equation called?2H2 + O2 --> 2H2O

What is the right part of a chemical equation called...2H2 + O2 --> 2H2O

Is the following equation balanced?...Al + O2 --> 2Al2O3

Is the following equation balanced?2C2H2 + 5O2 --> 4CO2 + 2H2O

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

In the equation, 2Mg + O₂ ---> 2MgO, which are the reactants?

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

Is the following equation balanced or unbalanced?
Fe + S --> FeS

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

What is the right part of a chemical equation called...
2H_{2 +}O₂ --> 2H₂O

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O