Unit 5 Review

What are phases (solubility) of the products for the following reaction:

CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(??) + NaCl(??)  

• Cu(OH)₂(aq) + NaCl(aq)  

• Cu(OH)₂(aq) + NaCl(s)  

• Cu(OH)₂(s) + NaCl(aq)  

• Cu(OH)₂(g) + NaCl(s)  

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

The following is what type of reaction:
NH₃ + HCl  → NH₄Cl

• Synthesis
• Decomposition
• Single Replacement Replacement
• Double Replacement Replacement

What type of chemical reaction is this?
Al(OH)₃ → Al₂O₃  + H₂O

• Decomposition
• Combustion
• Synthesis
• Single Replacement 

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single Displacement
• Double Displacement

Which set of coefficients properly balances the reaction below?
_Cu + _H₂O →_ CuO₃ + _H₂

• 1,3,1,5
• 2,6,2,6
• 1,3,1,3
• 1,2,3,4

Tags

NGSS.HS-PS1-7

What are the correct coefficients for the reaction below?
_C₄H₁₀ + _O₂ → _CO₂ + _H₂O

• 4, 26, 16, 20
• 2, 13, 8, 10
• 1, 6.5, 4, 5
• 2, 8, 13, 10

Tags

NGSS.HS-PS1-7

What are the correct coefficients to balance the reaction below?
_BaO + _K₃N → _Ba₃N₂ + _K₂O

• 3,2,1,2
• 3,3,1,3
• 3,2,1,3
• 3,1,2,3

Tags

NGSS.HS-PS1-7

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.HS-PS1-7

Predict the products for the this Double Replacement reaction:

AgNO₃ + KCl →

• AgCl + KNO₃

• AgK + ClNO₃

• KAg + NO₃Cl

• AgCl + 3 KNO

Tags

NGSS.HS-PS1-2