The EASY way to balance Combustion Reactions!
Interactive Video
•
Physics, Science, Chemistry
•
10th Grade - University
•
Hard
Wayground Content
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between complete and incomplete combustion reactions?
Incomplete combustion produces only water.
Incomplete combustion produces carbon dioxide and water.
Complete combustion produces carbon monoxide and water.
Complete combustion produces carbon dioxide and water.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing a combustion reaction?
Balance the oxygen atoms first.
Balance the hydrogen atoms first.
Balance all elements except oxygen.
Multiply all coefficients by two.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you need to multiply coefficients by two when balancing combustion reactions?
To balance the carbon atoms.
To balance the hydrogen atoms.
To ensure all coefficients are even numbers.
To eliminate fractional coefficients.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of balancing C2H6 and O2, what is the final coefficient for O2?
2
4
7
3.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When balancing C2H6 and O2, what is the total number of oxygen atoms on the right side before adjusting coefficients?
7
8
6
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of balancing C10H8 and O2, what is the coefficient for CO in the balanced equation?
5
10
7
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen molecules are needed on the left side to balance the reaction of C10H8 with O2?
6
14
7
8
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