
Balancing Combustion Reactions
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Sophia Harris
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of oxygen atoms on the reactant side in the combustion reaction of C5H10O2?
2
4
6
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing a combustion reaction according to the video?
Balance the carbon atoms first
Balance the oxygen atoms first
Balance the entire equation at once
Balance the hydrogen atoms first
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After balancing the carbon atoms, how many oxygen atoms are present on the product side?
13
14
12
11
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used for water to balance the hydrogen atoms in the reaction?
4
3
5
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What fractional coefficient is initially used for O2 to balance the oxygen atoms?
13/2
14/2
12/2
11/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert fractional coefficients to whole numbers in a balanced equation?
Subtract 1 from each coefficient
Divide each coefficient by 2
Add 1 to each coefficient
Multiply each coefficient by 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the whole number coefficient for O2 after conversion?
14
11
13
12
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