Balancing Equations Practice
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the law of conservation of mass in relation to balancing chemical equations?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction. Therefore, the number of atoms of each element must be the same on both sides of a balanced equation.
2.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A chemical equation is a symbolic representation of a chemical reaction, showing the reactants on the left side and the products on the right side, separated by an arrow.
3.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
Balancing a chemical equation means adjusting the coefficients of the reactants and products so that the number of atoms of each element is the same on both sides of the equation.
4.
FLASHCARD QUESTION
Front
What are coefficients in a chemical equation?
Back
Coefficients are the numbers placed in front of the compounds in a chemical equation to indicate the number of molecules or moles of that substance involved in the reaction.
5.
FLASHCARD QUESTION
Front
What are subscripts in a chemical formula?
Back
Subscripts are the small numbers written to the lower right of an element symbol in a chemical formula, indicating the number of atoms of that element in a molecule.
6.
FLASHCARD QUESTION
Front
What is a reactant in a chemical reaction?
Back
A reactant is a substance that undergoes a change during a chemical reaction, appearing on the left side of a chemical equation.
7.
FLASHCARD QUESTION
Front
What is a product in a chemical reaction?
Back
A product is a substance that is formed as a result of a chemical reaction, appearing on the right side of a chemical equation.
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