
Balancing Chemical Equations Concepts

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

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing the given chemical equation?
Count the number of hydrogen atoms.
Count the number of phosphorus atoms.
Count the number of calcium atoms.
Count the number of oxygen atoms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total oxygen atoms are there on the reactant side initially?
Six
Nine
Eight
Four
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of H3PO4 to balance phosphorus atoms?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After balancing phosphorus, how many hydrogen atoms are there on the reactant side?
Ten
Eight
Six
Four
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used in front of calcium hydroxide to balance calcium atoms?
4
3
2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total oxygen atoms are there on the product side after balancing calcium?
Fourteen
Eighteen
Twelve
Sixteen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step to ensure the equation is balanced?
Adjust the coefficient of H2O.
Adjust the coefficient of Ca(OH)2.
Adjust the coefficient of H3PO4.
Adjust the coefficient of Ca3(PO4)2.
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