

Balancing Chemical Equations Concepts
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Liam Anderson
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial observation about the nitrogen atoms in the unbalanced equation for the synthesis of ammonia?
The number of nitrogen atoms is equal on both sides.
There are more nitrogen atoms on the reactant side.
There are more nitrogen atoms on the product side.
There are no nitrogen atoms on the reactant side.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it suggested to multiply the odd number of hydrogen atoms by 2 in the balancing process?
To make the equation more complex.
To achieve an even number of hydrogen atoms.
To increase the number of nitrogen atoms.
To simplify the calculation.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of placing a coefficient of 2 in front of NH3 in the equation?
It decreases the number of nitrogen atoms.
It only increases the number of hydrogen atoms.
It balances both nitrogen and hydrogen atoms.
It balances the nitrogen atoms but not the hydrogen atoms.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present on the reactant side after balancing the equation?
Two
Four
Six
Eight
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step to ensure the equation is balanced?
Add more nitrogen atoms to the product side.
Multiply the hydrogen atoms by 4.
Ensure the number of atoms is equal on both sides.
Remove excess hydrogen atoms from the reactant side.
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