Balanced and Unbalanced Chemical Equations

Is this balanced?...

Al + O₂ --> 2Al₂O₃

• Yes!

• No!

Tags

NGSS.MS-PS1-5

Why is the following chemical equation not balanced?
H_{2 +} O₂ --> H₂O

• each side of the equation has a different number of oxygen atoms

• each side of the equation has a different number of hydrogen atoms

• each side has the same mass

Tags

NGSS.MS-PS1-5

In this image, the information in red is called the_______?

• Products

• Reactants

• Chemical Subscript

• Ingredients

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Determine whether the following equations is balanced or unbalanced. H₄ + O₂ ---> 2H₂O

• Balanced

• Unbalanced

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

Determine whether the following equation is balanced or unbalanced. 4P +5O_{2 --->} 2P₂O₅

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

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

Is the following chemical equation balanced? @@ ext{C}_3 ext{H}_8 + 5 ext{O}_2 ightarrow 3 ext{CO}_2 + 4 ext{H}_2 ext{O}@@

• Yes

• No

Tags

NGSS.MS-PS1-5

Which of the following statements is true for a balanced chemical equation?

• The number of atoms for each element is the same on both sides of the equation.

• The total mass of reactants is greater than the total mass of products.

• The number of molecules is the same on both sides of the equation.

• The number of moles of reactants is equal to the number of moles of products.

Tags

NGSS.MS-PS1-5