
Balancing Chemical Equations Concepts

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

Aiden Montgomery
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial step in balancing the equation I2 + F2 -> IF?
Remove products from the equation.
Change the subscripts of the molecules.
Count the number of atoms on each side.
Add more reactants to the equation.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't we change the subscripts in a chemical equation?
It is not allowed by chemical laws.
It is too difficult to calculate.
It would make the equation too complex.
It would change the identity of the substances.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of adjusting coefficients in a chemical equation?
To decrease the reaction temperature.
To balance the number of atoms on each side.
To increase the reaction speed.
To change the chemical properties.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you place a coefficient of 2 in front of IF in the equation I2 + F2 -> IF?
It balances the iodine atoms only.
It balances both iodine and fluorine atoms.
It unbalances the equation.
It balances the fluorine atoms only.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced form of the equation I2 + F2 -> IF?
I2 + 2F2 -> IF
I2 + F2 -> 2IF
2I2 + F2 -> IF
I2 + F2 -> IF2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the coefficient in a chemical equation apply to?
All elements in the compound.
None of the elements in the compound.
Only the last element in the compound.
Only the first element in the compound.
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