Balancing Combustion Reactions

Balancing Combustion Reactions

Assessment

Interactive Video

Chemistry, Science, Mathematics

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how to identify and balance combustion reactions. It begins with an introduction to combustion reactions, highlighting the typical reactants and products. The tutorial then provides steps to identify combustion reactions, followed by detailed instructions on balancing them. Two examples are used to demonstrate the balancing process, including a simple reaction with C3H8 and a more complex reaction. The tutorial emphasizes the importance of balancing carbon, hydrogen, and oxygen atoms in the reactions.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of a combustion reaction?

Compound + Oxygen -> Water + Nitrogen Dioxide

Compound + Nitrogen -> Water + Carbon Dioxide

Compound + Oxygen -> Water + Carbon Dioxide

Compound + Hydrogen -> Water + Carbon Dioxide

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a combustion reaction?

C2H6 + O2 -> CO2 + H2O

Fe + O2 -> Fe2O3

C3H8 + O2 -> CO2 + H2O

CH4 + O2 -> CO2 + H2O

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in balancing a combustion reaction?

Balance oxygen atoms

Balance hydrogen atoms

Balance carbon atoms

Balance nitrogen atoms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the reaction C3H8 + O2 -> CO2 + H2O, how many CO2 molecules are needed to balance the carbon atoms?

4

3

2

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many H2O molecules are needed to balance the hydrogen atoms in the reaction C3H8 + O2 -> CO2 + H2O?

3

5

4

2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example with a complex compound, what is the value of x when solving for the oxygen coefficient?

11

12

9

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in balancing a combustion reaction?

Balance carbon atoms

Balance hydrogen atoms

Balance nitrogen atoms

Balance oxygen atoms

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?