Balancing Chemical Equations (Flashcardizz Assignment)

Balancing Chemical Equations (Flashcardizz Assignment)

Assessment

Flashcard

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Science

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the product side of a chemical equation?

Back

The product side is the right side of a chemical equation, which shows the substances formed as a result of the reaction.

2.

FLASHCARD QUESTION

Front

How do you balance the equation Al + HCl -> H2 + AlCl3?

Back

The balanced equation is 2Al + 6HCl -> 3H2 + 2AlCl3.

3.

FLASHCARD QUESTION

Front

Balance the equation CH4 + O2 -> CO2 + H2O.

Back

The balanced equation is 1CH4 + 2O2 -> 1CO2 + 2H2O.

4.

FLASHCARD QUESTION

Front

What coefficients are needed to balance KNO3 -> KNO2 + O2?

Back

The coefficients needed are 2, 2, 1.

5.

FLASHCARD QUESTION

Front

What does the Law of Conservation of Mass state?

Back

The Law of Conservation of Mass states that matter cannot be gained or lost in a chemical reaction.

6.

FLASHCARD QUESTION

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.

7.

FLASHCARD QUESTION

Front

What are reactants in a chemical equation?

Back

Reactants are the starting substances in a chemical reaction, found on the left side of the equation.

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