What is the first step in balancing a complex chemical equation?

Balancing Chemical Equations Techniques

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

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Add coefficients randomly.
Count the initial number of atoms on each side.
Start with balancing oxygen.
Count the total number of molecules.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is using fractional coefficients in chemical equations controversial?
They make equations harder to balance.
They are not allowed by any chemistry book.
Fractions of a molecule cannot exist.
They are only used in advanced chemistry.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'stoichiometric numbers' refer to?
The number of molecules in a reaction.
The absolute values of coefficients in a chemical equation.
The number of atoms in a molecule.
The ratio of reactants to products.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using the substitution method in balancing equations?
It eliminates the need for coefficients.
It simplifies counting by using variables for polyatomic ions.
It is the only method that works for all equations.
It is faster than any other method.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the substitution method, what does replacing NH4 with 'x' help achieve?
It balances the equation automatically.
It increases the number of atoms.
It simplifies the equation by reducing complexity.
It changes the chemical properties.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the traditional method of balancing equations differ from the substitution method?
It uses variables for all elements.
It requires balancing one element at a time without substitution.
It is only used for simple equations.
It does not require counting atoms.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key benefit of using the substitution method over the traditional method?
It requires no prior knowledge.
It is easier and faster to code and record.
It is the only method taught in schools.
It is more accurate.
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