Balancing Chemical Reaction

Balancing this reaction:

____ CH₄ + ____ O₂ ---> ___ CO₂ + ____ H₂O

• 2,1,3,1

• 1,2,1,2

• 1,2,2,1

• 2,1,1,2

Tags

NGSS.MS-PS1-5

Balance the following chemical reaction: SnO₂ + H₂ --> Sn + H₂O

• 2 SnO₂ + 2 H₂ --> 2 Sn + 2 H₂O

• SnO₂ + 2 H₂ --> Sn + 2 H₂O

• 2 SnO₂ + 3 H₂ --> 1 Sn + 2 H₂O

• SnO₂ + H₂ --> Sn + H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Balance this reaction:

____ Na₃PO₄ + ____ KOH ---> ____ NaOH + ____ K₃PO₄

• 1,3,3,1

• 1,3,2,1

• 2,3,3,1

• 1,1,3,1

Tags

NGSS.MS-PS1-5

_P₄+_O₂ →  _P₂O₃

• 3 P₄+1 O₂ → 2 P₂O₃

• 1 P₄+1 O₂ → 2 P₂O₃

• 1 P₄+ 3 O₂ → 2 P₂O₃

• 1 P₄+ 2 O₂ → 3 P₂O₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Balance this reaction: ____ AlBr₃ + ____ K₂SO₄ ---> ____ KBr + ____ Al₂(SO₄)₃

• 1,1,1,1

• 2,3,6,1

• 2,6,1,1

• 3,1,2,2

Tags

NGSS.MS-PS1-5

What is the right ratio of chemicals for the balanced chemical equation?

• 3,1 --> 2,3

• 3,2 --> 1,1

• 3,2 --> 2,4

• 3,2 --> 2,1

Tags

NGSS.MS-PS1-5

Some students decomposed potassium chlorate powder into potassium chloride and oxygen gas. Which equation for this reaction is correctly balanced?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which set of coefficients will correctly balance the following chemical reactions?

• 1,2,1,2

• 2,1,2,1

• 1,2,1,1

• 2,1,1,1

Tags

NGSS.MS-PS1-5

Which problem is balanced?

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.MS-PS1-5

Is this equation balanced?

H₃PO₄ + KOH --> K₃PO₄ + H₂O

• yes

• no

Tags

NGSS.MS-PS1-5