Coefficient
Balancing Chemical Equations

Flashcard
•
Chemistry
•
11th Grade
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
The large number in front of a chemical formula.
2.
FLASHCARD QUESTION
Front
What is the part of the chemical equation in green called?
Fe + S --> FeS
Back
reactants
3.
FLASHCARD QUESTION
Front
What law governs the balancing of chemical equations? Options: Law of Energy,
Law of Conservation of Mass
, Law of Gravity, Law of Matter MovementBack
Law of Conservation of Mass
4.
FLASHCARD QUESTION
Front
How many hydrogen atoms are in 2 H2?
Back
4
5.
FLASHCARD QUESTION
Front
How many Iron (Fe) atoms are in this chemical formula?
Back
4 iron atoms
6.
FLASHCARD QUESTION
Front
Ferrous sulfide is reacted with Oxygen, to form Ferric oxide and Sulfur dioxide. What is the balanced equation?
Back
4FeS+7O₂ -> 2Fe₂O₃+4SO₂
7.
FLASHCARD QUESTION
Front
Ethane is reacted with Oxygen, to form Carbon dioxide and Water. What is the balanced equation?
Back
2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O
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