Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Flashcard

Chemistry

11th Grade

Hard

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10 questions

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1.

FLASHCARD QUESTION

Front

Coefficient

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 Movement

Back

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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