Balancing, Classifying, and Energy Test Review

Classify:

2H₂ + O₂ ---->2H₂O

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

Classify:

2H₂ + O₂ ---->2H₂O

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

Classify:

2KClO₃ ---->2KCl + 3O_s

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

Classify:

Mg + 2HCl ----> MgCl₂ + H₂

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

Classify:

2HCl + 2NaOH -----> NaCl + H₂O

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

Classify:

CH₄ + O₂ → CO₂ + H₂O

• single replacement

• double replacement

• synthesis

• combustion

Reactants combine to produce one product.

• single replacement

• double replacement

• synthesis

• combustion

One reactant breaks down to produce simpler substances.

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

The cation of one compound replaces the cation of a second compound.

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

What coefficients are needed to correctly balance the equation?
_Bi   +   _O₂   →  _Bi₂O₃

• 3,2,3
• 2,3,2
• 4,3,2
• none of these

Tags

NGSS.HS-PS1-7