Chemical Reactions Balancing

___C₃H₈ +___O₂ --> ___CO₂ + ___H₂O

• 1,5,3,4

• 2,10,6,8

• already balanced

• 1,5,5,4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

__Na + __Cl₂ --> __NaCl

• 1,1,2

• 2,1,2

• 2,1,1

• already balanced

Tags

NGSS.MS-PS1-5

_Al + _HCl →_H₂ + _AlCl₃

• 2 Al + 2 HCl → 2 H₂ + 6 AlCl₃

• 3 Al + 3 HCl → 6 H₂ + 2 AlCl₃

• 1 Al + 1 HCl → 3 H₂ + 1 AlCl₃

• 2 Al + 6 HCl → 3 H₂ + 2 AlCl₃

Tags

NGSS.MS-PS1-5

_K + _Cl₂ →_KCl

• 2 K + 16 Cl₂ → 8 KCl

• 2 K + 1 Cl₂ → 2 KCl

• 3 K + 4 Cl₂ → 3 KCl

• 1 K + 1 Cl₂ →1 KCl

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Fill in the blanks with coefficient:
PCl₅+_ H₂O→_ HCl+H₃PO₄

• 4, 5

• 1, 6

• 3, 8

• 2,2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is the balanced chemical equation that represents the chemical reaction of potassium and oxygen to produce potassium oxide?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Balance this equation.
_Mg + _Cl₂ --> _MgCl₂

• 1, 2,1

• already balanced

• 2,1,1

• 1,1,2

Tags

NGSS.MS-PS1-5

Which problem is balanced?

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

__Al + __Fe₃N₂ -->__AlN + __Fe

• already balanced

• 4,2,4,6

• 2,1,2,3

• 1,2,1,3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the coefficients that will balance the skeleton equation below? __Na + __F₂ → __NaF

• 1, 2, 1

• 2, 1, 2

• 1,1,1

• 2,2,2

Tags

NGSS.MS-PS1-5