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Chemical Equations and Conservation of Mass

Chemical Equations and Conservation of Mass

Assessment

Flashcard

Chemistry

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 does the coefficient in a chemical equation represent?

Back

The coefficient indicates the number of molecules or moles of a substance involved in the reaction.

2.

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.

3.

FLASHCARD QUESTION

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting materials that undergo a chemical change.

4.

FLASHCARD QUESTION

Front

What are products in a chemical reaction?

Back

Products are the substances formed as a result of a chemical reaction.

5.

FLASHCARD QUESTION

Front

What does the arrow in a chemical equation signify?

Back

The arrow signifies 'yields' or 'results in', indicating the direction of the reaction.

6.

FLASHCARD QUESTION

Front

How do you balance a chemical equation?

Back

To balance a chemical equation, adjust the coefficients to ensure the number of atoms for each element is the same on both sides.

7.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

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