Balancing Equations

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.

Tags

NGSS.MS-PS1-5

Front

What does it mean to balance an equation?

Back

Balancing an equation means adjusting the coefficients of the reactants and products so that the number of atoms of each element is equal on both sides.

Tags

NGSS.MS-PS1-5

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction; it can only change forms.

Tags

NGSS.MS-PS1-5

Front

What are coefficients in a chemical equation?

Back

Coefficients are the numbers placed before the compounds in a chemical equation to indicate how many molecules or moles of each substance are involved in the reaction.

Tags

NGSS.MS-PS1-5

Front

How do you determine if an equation is balanced?

Back

Count the number of atoms of each element on both sides of the equation. If they are equal, the equation is balanced.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

Balance the equation: C + O2 → CO2

Back

1, 1, 1

Tags

NGSS.MS-PS1-5

Front

Balance the equation: H2 + O2 → H2O

Back

2, 1, 2

Tags

NGSS.MS-PS1-5

Front

What is the first step in balancing a chemical equation?

Back

Identify the number of atoms of each element in the reactants and products.

Front

What is the significance of balancing equations in chemistry?

Back

Balancing equations is crucial for accurately representing chemical reactions and ensuring that the calculations of reactants and products are correct.

Tags

NGSS.MS-PS1-5

Front

Balance the equation: Fe + O2 → Fe2O3

Back

4, 3, 2

Tags

NGSS.MS-PS1-5