Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains the decomposition of iron(II) hydroxide into iron(II) oxide and water. It guides viewers through balancing the chemical equation by counting atoms on both sides, ensuring the equation is balanced. The tutorial highlights common mistakes, such as misapplying coefficients and forgetting to count all atoms. The final balanced equation is presented, and viewers are reminded to apply coefficients correctly.

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the products formed when iron(II) hydroxide decomposes?

Iron(II) chloride and water

Iron(III) oxide and water

Iron(II) oxide and water

Iron(II) oxide and hydrogen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are present on the product side of the equation?

1

4

2

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the coefficient for iron(II) oxide in the balanced equation?

0

1

2

3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common mistake when balancing this equation?

Forgetting to count all hydrogen atoms

Applying the coefficient to only one element in the parenthesis

Counting extra oxygen atoms

Using incorrect coefficients for water

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to apply the coefficient to everything in the parenthesis?

To decrease the number of reactants

To change the chemical properties

To increase the number of products

To ensure the equation is balanced

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you be careful about when counting oxygen atoms in this equation?

Missing the oxygen in the reactants

Ignoring the oxygen in iron(II) oxide

Forgetting the oxygen in water

Counting them twice