Balancing Chemical Reactions Concepts

Balancing Chemical Reactions Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Mia Campbell

FREE Resource

The video tutorial explains how to balance a chemical equation involving iron(III) nitrate and sodium hydroxide. It introduces the concept of counting atoms on both sides of the equation and using tricks to simplify the process. The tutorial demonstrates balancing nitrates and sodium atoms by adjusting coefficients, ultimately achieving a balanced equation. The instructor emphasizes the importance of recognizing common groups like nitrates and hydroxides to make balancing easier.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is Fe(NO3)3 + NaOH?

Synthesis

Double displacement

Single displacement

Decomposition

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we treat nitrate as a single unit when counting atoms?

Because it is a complex ion

Because it appears on both sides of the equation

Because it is a gas

Because it is a metal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sodium atoms are there on the reactant side after balancing?

1

2

4

3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is placed in front of NaOH to balance the sodium atoms?

4

1

3

2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using coefficients in balancing equations?

To increase the reaction rate

To decrease the reaction rate

To equalize the number of atoms on both sides

To change the compounds

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydroxide ions are on the product side after balancing?

2

3

4

1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the benefit of counting nitrate and hydroxide as single units?

It decreases the number of atoms

It makes the equation more complex

It simplifies the balancing process

It increases the number of steps

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is the narrator of the video?

Dr. A

Dr. B

Dr. D

Dr. C