Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Ethan Morris

FREE Resource

The video tutorial explains the process of balancing a neutralization reaction between hydrofluoric acid (HF) and iron(III) hydroxide (Fe(OH)3). It begins by identifying the reactants and products, then proceeds to balance the chemical equation by adjusting the coefficients to ensure the same number of each type of atom on both sides. The tutorial concludes with a balanced equation, demonstrating the importance of balancing chemical reactions in chemistry.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is HF reacting with Fe(OH)3?

Combustion

Neutralization

Decomposition

Synthesis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the products formed when HF reacts with Fe(OH)3?

Iron(III) oxide and water

Iron(III) fluoride and water

Iron(II) fluoride and hydrogen

Iron(III) chloride and oxygen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are initially present on the reactant side?

2

6

3

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step taken to balance the equation?

Balancing oxygen atoms

Balancing fluorine atoms

Balancing hydrogen atoms

Balancing iron atoms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is placed in front of HF to balance fluorine atoms?

1

2

4

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After balancing fluorine, how many total hydrogen atoms are on the reactant side?

7

6

5

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is used to balance hydrogen atoms on the product side?

1

2

3

4

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many oxygen atoms are present on both sides after balancing?

1

4

2

3

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final balanced equation for the reaction?

HF + Fe(OH)3 → FeF3 + H2O

3HF + Fe(OH)3 → FeF3 + 3H2O

2HF + Fe(OH)3 → FeF3 + 2H2O

3HF + 2Fe(OH)3 → 2FeF3 + 3H2O