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Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Ethan Morris

FREE Resource

This video tutorial demonstrates how to balance the chemical equation for ammonium phosphate and lead nitrate using a method that simplifies the process by counting polyatomic ions as single units. The instructor, Dr. B, guides viewers through the steps of balancing the equation, making adjustments, and ensuring accuracy. The tutorial emphasizes the importance of treating polyatomic ions as single entities when they appear on both sides of the equation, which helps to reduce errors and speed up the balancing process.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

Learning about polyatomic ions

Understanding chemical reactions

Balancing chemical equations

Studying the periodic table

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of reaction is being balanced in the video?

Synthesis

Double displacement

Single displacement

Decomposition

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are polyatomic ions treated in the balancing process?

As compounds

As molecules

As single units

As separate elements

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial step in balancing the equation?

Balancing phosphate ions

Balancing lead atoms

Balancing ammonium ions

Balancing nitrate ions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is initially used for ammonium nitrate?

2

3

4

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What adjustment is made to balance the phosphates?

Add a coefficient of 3

Add a coefficient of 5

Add a coefficient of 2

Add a coefficient of 4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final coefficient for lead(II) nitrate?

4

3

2

1

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