Balancing equations

Is this equation balanced?

• yes

• no

• Not enough information

Is this equation balanced?

• yes

• no

• Not enough information

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

• Yes

• No

Balance this equation
_N₂ + _H₂ --> _NH₃

• 1,2,3

• 1,3,2

• 1,1,2

• 2,1,1

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

• 2

• 6

• 1

• 4

PCl₅ + ___ H₂O → ___ HCl + H₃PO₄

• 4, 5

• 1, 6

• 3, 8

• 2,2

__ Al + __ FeO → Al₂O₂ + __ Fe

• 1, 1, 2

• 2,1,2

• 2, 2, 2

• 2,4,2

 Mg  +  ___ HCl  →   MgCl₂  +   H₂

• 1

• 2

• 3

• 4

Which problem is balanced?

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

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

• 1,1,2,1

• 1,2,1,1

• 1,2,1,2

• 1,2,2,1