
Chemical Reactions
Flashcard
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where reactants transform into products, involving the breaking and forming of chemical bonds.
2.
FLASHCARD QUESTION
Front
What are reactants?
Back
Substances that undergo change during a chemical reaction, found on the left side of a chemical equation.
3.
FLASHCARD QUESTION
Front
What are products?
Back
New substances formed as a result of a chemical reaction, found on the right side of a chemical equation.
4.
FLASHCARD QUESTION
Front
How do you balance a chemical equation?
Back
By ensuring the number of atoms for each element is the same on both sides of the equation.
5.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed; the total mass of reactants equals the total mass of products.
6.
FLASHCARD QUESTION
Front
What does the coefficient in a chemical equation represent?
Back
The number of molecules or moles of a substance involved in the reaction.
7.
FLASHCARD QUESTION
Front
Balance the equation: C + O2 -> CO2
Back
2C + O2 -> 2CO2
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