What is the first step in balancing a chemical equation?

Balancing Chemical Equations Concepts

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

Aiden Montgomery
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Change the chemical formulas
Add coefficients randomly
Count the atoms on the product side
Count the atoms on the reactant side
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it useful to count nitrate ions as a single unit?
It changes the chemical properties
It increases the number of atoms
It reduces the number of reactants
It simplifies the balancing process
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many nitrate ions are present on the reactant side?
Three
Two
Four
One
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of counting sulfate ions as a single unit?
It makes the equation unbalanced
It simplifies the balancing process
It changes the chemical reaction
It increases the number of products
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What adjustment is made to balance the sodium atoms?
Add a coefficient of 4 to NaNO3
Add a coefficient of 1 to NaNO3
Add a coefficient of 3 to NaNO3
Add a coefficient of 2 to NaNO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After balancing, how many sodium atoms are on each side of the equation?
One
Three
Four
Two
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key takeaway for balancing equations involving polyatomic ions?
Always separate the ions
Treat them as single units
Change their chemical structure
Ignore them completely
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced equation for the reaction between barium nitrate and sodium sulfate?
Ba(NO3)2 + Na2SO4 → 2BaSO4 + NaNO3
2Ba(NO3)2 + Na2SO4 → BaSO4 + NaNO3
Ba(NO3)2 + 2Na2SO4 → BaSO4 + NaNO3
Ba(NO3)2 + Na2SO4 → BaSO4 + 2NaNO3
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have the same number of each type of atom on both sides of a chemical equation?
To make the equation more complex
To ensure the reaction is explosive
To comply with the law of conservation of mass
To increase the number of products
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