Balancing Equations
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the left part of a chemical equation called?
Back
Reactants
2.
FLASHCARD QUESTION
Front
What is the right part of a chemical equation called?
Back
Products
3.
FLASHCARD QUESTION
Front
What does it mean for a chemical equation to be balanced?
Back
A balanced equation has the same number of each type of atom on both sides.
4.
FLASHCARD QUESTION
Front
What is the purpose of balancing chemical equations?
Back
To obey the law of conservation of mass, ensuring that matter is neither created nor destroyed.
5.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A number placed in front of a chemical formula to indicate how many molecules are involved.
6.
FLASHCARD QUESTION
Front
What is a subscript in a chemical formula?
Back
A number written below and to the right of a chemical symbol indicating the number of atoms of that element.
7.
FLASHCARD QUESTION
Front
How do you balance the equation: _H2 + _O2 -> _H2O?
Back
2, 1, 2 (2H2 + 1O2 -> 2H2O)
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