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Balancing Chemical Equations Flashcard

Balancing Chemical Equations Flashcard

Assessment

Flashcard

•

Science

•

7th Grade

•

Practice Problem

•

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

It states that no matter can be created or destroyed.

2.

FLASHCARD QUESTION

Front

Which of the following is the correct balanced equation for the reaction between hydrogen gas and oxygen gas to form water?

Back

2H2+O2→2H2O2H_2 + O_2 \rightarrow 2H_2O .

3.

FLASHCARD QUESTION

Front

Which of the following is a product in the chemical reaction: CH4+2O2→CO2+2H2OCH_4 + 2O_2 \rightarrow CO_2 + 2H_2O ?

Back

CO2CO_2 .

4.

FLASHCARD QUESTION

Front

In the equation 2H2+O2→2H2O2H_2 + O_2 \rightarrow 2H_2O , what does the arrow (\rightarrow) represent?

Back

The direction of the reaction.

5.

FLASHCARD QUESTION

Front

Identify the reactants in the chemical equation: 2Na+Cl2→2NaCl2Na + Cl_2 \rightarrow 2NaCl .

Back

NaNa and Cl2Cl_2 .

6.

FLASHCARD QUESTION

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change.

7.

FLASHCARD QUESTION

Front

What are products in a chemical reaction?

Back

Substances formed as a result of a chemical reaction.

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