Balancing Combustion Reactions

Balancing Combustion Reactions

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to balance a combustion reaction equation involving C6H13 and O2, resulting in CO2 and H2O. It covers counting atoms, balancing carbon and hydrogen first, and then adjusting oxygen atoms to achieve a balanced equation. The tutorial emphasizes the importance of accurate atom counting and provides a step-by-step approach to balancing the equation.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is C6H13 + O2 -> CO2 + H2O?

Single Replacement

Combustion

Decomposition

Synthesis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

12

14

15

13

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of oxygen atoms on the product side before balancing?

2

5

3

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient should be placed in front of CO2 to balance carbon atoms?

6

5

4

7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many water molecules are needed to balance the hydrogen atoms?

5

6

7

8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After balancing carbon and hydrogen, what is the total number of oxygen atoms needed on the product side?

16

17

19

18

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient should be placed in front of O2 to balance the oxygen atoms?

10

9

8

7

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final balanced equation for the combustion of C6H13?

C6H13 + 10O2 -> 6CO2 + 7H2O

C6H13 + 8O2 -> 6CO2 + 7H2O

C6H13 + 9O2 -> 5CO2 + 7H2O

C6H13 + 9O2 -> 6CO2 + 7H2O