
Balancing Chemical Equations Concepts

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason trinitroglycerin is used as an example in this video?
It is a simple compound to balance.
It is a common household chemical.
It is known for its explosive properties.
It contains only carbon and hydrogen.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have an even number of certain atoms when balancing equations?
To simplify the balancing process.
To make the equation more complex.
To increase the number of atoms.
To ensure the equation is unbalanced.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing the carbon atoms in the equation?
Add nitrogen atoms.
Remove oxygen atoms.
Change the coefficient of CO2.
Add more hydrogen atoms.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are nitrogen and oxygen left to be balanced last?
They are already balanced.
They are the most complex atoms.
They do not affect the balance of other atoms.
They are not present in the equation.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a fractional coefficient in balancing equations?
To avoid using whole numbers.
To increase the number of atoms.
To make the equation more complex.
To simplify the balancing process.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What alternative method is suggested if fractional coefficients are not preferred?
Use a different chemical equation.
Multiply all coefficients by 2.
Add more atoms to the equation.
Remove all coefficients.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for trinitroglycerin?
C3H5N3O9 -> 6CO2 + 5H2O + 3N2 + 1/2O2
C3H5N3O9 -> CO2 + H2O + N2 + O2
C3H5N3O9 -> 4CO2 + 4H2O + 2N2 + O2
C3H5N3O9 -> 2CO2 + 3H2O + N2 + 1/2O2
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