Balancing Redox Equations

Balance this equation.

__SnO₂ +__H₂-->__Sn +__H₂O

• 1,1,2,1

• 1,2,1,1

• 1,2,1,2

• 1,2,2,1

Tags

NGSS.HS-PS1-7

Which problem is balanced?

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.HS-PS1-7

Balance this equation

• 1,1,2,1

• 1,1,1,2

• 1,2,1,1

• 2,1,1,1

KNO₃ --> KNO₂ + O₂
What coefficients are needed to balance the reaction?

• 2, 2, 1

• 2, 3, 2

• 1, 2, 2

• 1, 3, 1

Tags

NGSS.HS-PS1-7

KNO₃ --> KNO₂ + O₂

What coefficients are needed to balance the reaction?

• 2, 2, 1

• 2, 3, 2

• 1, 2, 2

• 1, 3, 1

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

• yes

• no

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is the following equation balanced?
4Fe + 3O₂ --> 2Fe₂O₃

• yes

• no

Tags

NGSS.HS-PS1-7

Balance this equation.
_SnO₂ +_H₂-->_Sn +_H₂O

• 1,1,2,1

• 1,2,1,1

• 1,2,1,2

• 1,2,2,1

Tags

NGSS.HS-PS1-7

Which problem is balanced?
(Check ALL answers)

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.HS-PS1-7

Is this equation balanced?

• yes

• no

• Not enough information

Tags

NGSS.HS-PS1-7