What is a chemical equation?
Chemical Equations

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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 do the coefficients in a chemical equation represent?
Back
Coefficients indicate the number of molecules or moles of a substance involved in the reaction.
3.
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.
4.
FLASHCARD QUESTION
Front
How do you determine the number of atoms in a compound?
Back
Count the number of atoms of each element in the chemical formula, using subscripts to indicate the quantity.
5.
FLASHCARD QUESTION
Front
What is a reactant in a chemical equation?
Back
A reactant is a substance that undergoes a chemical change in a reaction, found on the left side of the equation.
6.
FLASHCARD QUESTION
Front
What is a product in a chemical equation?
Back
A product is a substance formed as a result of a chemical reaction, found on the right side of the equation.
7.
FLASHCARD QUESTION
Front
How many oxygen atoms are in 2H2O?
Back
There are 2 oxygen atoms in 2H2O.
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