Balancing Chemical Equations
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.
2.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
Balancing a chemical equation means ensuring that the number of atoms of each element is the same on both sides of the equation.
3.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A coefficient is a number placed in front of a chemical formula in an equation to indicate how many molecules or moles of that substance are involved.
4.
FLASHCARD QUESTION
Front
What is a subscript in a chemical formula?
Back
A subscript is a small number written to the right of a chemical symbol that indicates the number of atoms of that element in a molecule.
5.
FLASHCARD QUESTION
Front
How many atoms are in the compound C6H12O6?
Back
There are 24 atoms in total: 6 Carbon (C), 12 Hydrogen (H), and 6 Oxygen (O).
6.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.
7.
FLASHCARD QUESTION
Front
What is the difference between reactants and products?
Back
Reactants are the starting substances in a chemical reaction, while products are the substances formed as a result of the reaction.
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