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

Ethan Morris
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial chemical equation discussed in the video?
FeO + H2O
FeCl3 + HCl
Fe2O3 + H2SO4
Fe(OH)3 + HNO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are present in the reactants initially?
Four
Three
Two
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the nitrate ion treated as a single unit during balancing?
It is a polyatomic ion that stays together.
It reacts with water.
It has a variable charge.
It is easier to count as separate atoms.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What adjustment is made to balance the nitrate ions?
Increase the coefficient of HNO3.
Add more water molecules.
Decrease the coefficient of Fe(OH)3.
Remove oxygen atoms.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present after balancing the nitrates?
Four
Five
Six
Seven
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used in front of H2O to balance hydrogen atoms?
2
1
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for the reaction?
Fe(OH)3 + 3HNO3 → Fe(NO3)3 + 3H2O
Fe(OH)3 + 4HNO3 → Fe(NO3)3 + 4H2O
Fe(OH)3 + HNO3 → Fe(NO3)3 + H2O
Fe(OH)3 + 2HNO3 → Fe(NO3)3 + 2H2O
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the final balancing steps?
Balancing iron atoms
Balancing hydrogen and oxygen atoms
Balancing nitrate ions
Balancing water molecules
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the presenter of the video?
Dr. D
Dr. C
Dr. B
Dr. A
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