Balance Chemical Equation Prediction

Determine whether the following equation is balanced or unbalanced. H₂ + Br₂ ---> 2HBr

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

In order for an equation to be balanced, there must be ...

• an equal amount of atoms on both sides

• a greater mass on the product side

• a greater mass on the reactant side

• elements with the same atomic # on both sides

Tags

NGSS.MS-PS1-5

Which of the following equations is balanced?

• P₄ + 3O₂ ---> 2P₂O₃

• N₄ + 3F₂ ---> 2NF₃

• 2LiF + Br₂ ---> 2LiBr + F₄

Tags

NGSS.MS-PS1-5

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂ --> 2Al₂ O₃

• 2

• 6

• 1

• 4

Tags

NGSS.MS-PS1-1

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO 

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

Determined whether the following equation is balanced or unbalanced. Ag + O_{2 --->} 2Ag₂O

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

• the product is doubled

• the product is half the mass of the reactants

• the mass is the same

• the mass changes depending on the reaction

Tags

NGSS.MS-PS1-5

Identify if the following equation is unbalanced or balanced.

• Unbalanced

• Balanced

Tags

NGSS.MS-PS1-5

Determine whether the following equation is balanced or unbalanced. 2Fe + 3Cl₂ ---> FeCl₃

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

Which coefficients would balance this chemical equation? _Fe₂O₃ ---> _Fe + _O₂

• 2,1,2

• 2,4,3

• 1,1,1

• 1,3,2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5