Balancing Chemical Reactions

Balancing Chemical Reactions

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during the reaction.

2.

FLASHCARD QUESTION

Front

What does the arrow (→) in a chemical equation represent?

Back

The arrow represents 'yields' or 'produces', indicating the direction of the reaction from reactants to products.

3.

FLASHCARD QUESTION

Front

How do you determine the coefficients in a chemical equation?

Back

Coefficients are determined by adjusting the numbers in front of the compounds to ensure that the number of atoms for each element is equal on both sides of the equation.

4.

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; the total mass of reactants equals the total mass of products.

5.

FLASHCARD QUESTION

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes change during a chemical reaction, found on the left side of the equation.

6.

FLASHCARD QUESTION

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction, found on the right side of the equation.

7.

FLASHCARD QUESTION

Front

How many oxygen atoms are in the compound Al2O3?

Back

There are three oxygen atoms in the compound Al2O3.

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