Chemical Reactions Balancing

What are the coefficients that will balance the skeleton equation below?

__Sn + __HF → __SnF₂ + __H₂

• 2,1,1,2

• 1, 2, 1, 1

• 2,1,2,1

• 1,2,1,2

Tags

NGSS.MS-PS1-5

What are the coefficients that will balance the skeleton equation below? __MgS + __O₂ → __MgO + __SO₂

• 3,2,2,3

• 2,3,2,2

• 2,3,2,3

• 3,2,2,1

Tags

NGSS.MS-PS1-5

What are the coefficients that will balance the skeleton equation below?

__Fe +__O₂ → __Fe₂O₃

• 3,4,2

• 4, 3, 2

• 2,3,4

• 4,2,3

Tags

NGSS.MS-PS1-5

What are the coefficients that will balance the skeleton equation below?

__CH₄ + __O₂ → __CO₂ + __H₂O

• 2,1,2,1

• 2,1,1,2

• 1,2,1,2

• 1,2,2,1

Tags

NGSS.MS-PS1-5

__H₂O₂ --> __H₂O + __O₂

• already balanced

• 2,1,1

• 2,2,1

• 2,1,2

Tags

NGSS.MS-PS1-5

Balance this equation:
MgCl₂ --> Mg₄+ Cl₂

• It's already balanced.

• 4MgCl₂ --> Mg₄+ 4Cl₂

• 4MgCl₂ --> Mg₄+ 5Cl₂

Tags

NGSS.MS-PS1-5

What are the reactant(s) in this reaction?

• H₂O₂

• O_2, H₂O

• H₂O_2, O₂

• H₂O_2, H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the chemical equation below, the product is....

Na + Cl ---> NaCl

• Na

• NaCL

• Cl

• NaCl

Balance this equation.
_CH₄ + _O₂ --> _CO₂ + _H₂O

• 1,2,1,1

• 2,1,2,1

• 1,2,1,2

• 0,2,0,2

Tags

NGSS.MS-PS1-5

Balance this equation
_Zn+_HCl-->_ZnCl₂ +_H₂

• 1,1,2,1

• 1,1,1,2

• 1,2,1,1

• 2,1,1,1

Tags

NGSS.MS-PS1-5