What is the first step in balancing a chemical equation?

Balancing Chemical Equations Concepts

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

Jackson Turner
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Change the subscripts of the compounds.
Add coefficients randomly.
Remove elements to simplify.
Count the atoms of each element on both sides.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sodium atoms are present initially on the reactant side?
Zero
Three
One
Two
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What change is made to balance the sodium atoms?
Add a coefficient of 2 to sodium hydroxide.
Add a coefficient of 3 to sodium chloride.
Add a coefficient of 2 to sodium chloride.
Add a coefficient of 3 to sodium hydroxide.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of oxygen atoms on the product side after balancing sodium?
Five
Four
Six
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you balance the hydrogen atoms in the equation?
Add a coefficient of 2 to water.
Add a coefficient of 3 to water.
Add a coefficient of 2 to sodium hydroxide.
Add a coefficient of 3 to sodium hydroxide.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of hydrogen atoms on the reactant side after balancing?
Three
Four
Two
Five
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What adjustment is made to balance the chlorine atoms?
Add a coefficient of 2 to chlorine dioxide.
Add a coefficient of 3 to chlorine dioxide.
Add a coefficient of 2 to sodium chloride.
Add a coefficient of 3 to sodium chloride.
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