Balancing Chemical Equations Challenges

Balancing Chemical Equations Challenges

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Lucas Foster

FREE Resource

The video tutorial explains how to balance the decomposition equation of ammonium perchlorate (NH4Cl4). It begins by counting the atoms on both sides of the equation, focusing on nitrogen, hydrogen, chlorine, and oxygen. The tutorial then demonstrates balancing hydrogen and chlorine atoms by adjusting coefficients. It introduces the use of fractions to balance oxygen atoms, addressing potential issues with fractional coefficients. Finally, the video shows how to convert fractional coefficients to whole numbers, resulting in a balanced equation. The tutorial emphasizes careful counting and the use of fractions in balancing complex equations.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial count of nitrogen atoms on the reactant side in the decomposition of ammonium perchlorate?

Four

Three

Two

One

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are present on the product side before balancing?

Three

Two

One

Four

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is initially used to balance the hydrogen atoms in HCl?

One

Two

Three

Four

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After balancing hydrogen and chlorine, what is the new count of chlorine atoms on the reactant side?

Four

Three

Two

One

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of oxygen atoms on the product side before introducing fractional coefficients?

Seven

Eight

Five

Six

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What fractional coefficient is used to balance the oxygen atoms?

9/2

3/2

5/2

7/2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final coefficient for NH4Cl4 after resolving fractional coefficients?

Two

Three

Four

Five

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?