Review-Balancing Eq/Types Rxns

Balance this equation
_Al +_HCl --> _H₂ +_AlCl₃

• 2, 6, 3, 2
• it is already balanced
• 4, 12, 3, 4
• 2, 1, 4, 5

Tags

NGSS.MS-PS1-5

Balance this equation-
__P₄ + __O₂ --> __P₂O₃

• it is already balanced
• 2, 1, 3
• 1, 2, 3
• 1, 3, 2

Tags

NGSS.MS-PS1-5

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-PS1-1

NGSS.MS-PS1-5

BaF₂ + K3PO₄ --> Ba₃(PO₄)₂ + KF
What coefficient goes in front of K₃PO₄?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7

When carbon dioxide and water are in a reaction's product, what type of reaction has occurred?

• combustion
• single
• double
• decomposition

Tags

NGSS.MS-PS1-2

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single diplacement
• Double displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the type of reaction:  
Ca + O --> CaO

• Decomposition
• Synthesis
• Double Replacement
• Combustion

Tags

NGSS.HS-PS1-1

Which of the following is an example of synthesis?

• Na + Br₂ --> NaBr
• KClO₃ --> KCl + O₂
• HgO + Cl₂-->HgCl + O₂
• Cl₂ + NaBr --> NaCl + Br₂

Tags

NGSS.MS-PS1-5

Which chemical reaction breaks down into 2 substances?

• Double Replacement
• Single Replacement
• Synthesis
• Decomposition

Mg + N₂ --> Mg₃N₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2