Balancing Equations
Flashcard
•
Chemistry
•
8th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a coefficient?
Back
The large number to the left of a formula.
2.
FLASHCARD QUESTION
Front
Which problem is balanced?
Back
2Na + 2H₂O → 2NaOH + H₂
3.
FLASHCARD QUESTION
Front
The blue numbers in the image below represent ________
Back
subscripts
4.
FLASHCARD QUESTION
Front
Balance this equation: N₂ + H₂ → NH₃
Back
1,3,2
5.
FLASHCARD QUESTION
Front
Fill in the blanks with coefficient: PCl₅ + _ H₂O → _ HCl + H₃PO₄
Back
4, 5
6.
FLASHCARD QUESTION
Front
What is a subscript in a chemical formula?
Back
A small number that indicates the number of atoms of an element in a molecule.
7.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
To ensure that the number of atoms for each element is the same on both sides of the equation.
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