What is the first step in balancing the equation for CaSO4 and AlCl3?

Balancing Chemical Equations Concepts

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

Mia Campbell
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ignore the polyatomic ions.
Change the chemical formula.
Add coefficients randomly.
Count the number of atoms on each side.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a polyatomic ion?
An ion that is always neutral.
An ion that consists of a single atom.
An ion that consists of multiple atoms bonded together.
An ion that changes during a reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you balance the sulfate ions in the equation?
By removing sulfate ions.
By changing the chemical formula.
By adding more sulfate ions.
By adjusting the coefficient of calcium sulfate.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used to balance the calcium atoms?
3
1
2
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chlorine atoms are there after balancing?
8
6
4
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of aluminum chloride to balance the equation?
4
2
3
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in balancing the equation?
Change the chemical formulas.
Add more reactants.
Check if all atoms are balanced.
Remove excess products.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a tip for balancing double displacement reactions?
Ignore polyatomic ions.
Count polyatomic ions as one unit.
Add more reactants.
Change the chemical formulas.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the narrator of the video?
Dr. D
Dr. C
Dr. A
Dr. B
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