Chem Chapter 9 and 10 Review

Choose the coefficients that balance this chemical equation:  
__ SnO₂ + __ H₂ → __ Sn + __ H₂O

• 2121
• 1212
• 2112
• 1221

Choose the coefficients that balance this chemical equation: 
__KNO₃ + __H₂CO₃ → __K₂CO₃ + __HNO₃

• 1221
• 1212
• 4212
• 2112

Choose the coefficients that balance this chemical equation: 
__CaCl₂ + __Na₃PO₄ → __Ca₃(PO₄)₂ + __NaCl

• 3216
• 3213
• 1231
• 3223

What type of reaction is this?
2C₅H₅ + Fe -> Fe(C₅H₅)₂ 

• Decomposition
• Synthesis
• Combustion
• Single Replacement

What type of reaction is this?
2MgI₂ + Mn(SO₃)₂ -> 2MgSO₃ + MnI₄ 

• Single Replacement 
• Synthesis
• Double Replacement
• Decomposition

What type of reaction is this?
2AgNO₃ + Cu -> Cu(NO₃)₂ + 2Ag 

• Single Replacement
• Combustion
• Synthesis
• Double Replacement

What products will form if the reaction takes place?
AgNO₃  (aq) + MgBr₂ (aq) -> ?

• Ag₂Mg (s) + Br(NO₃)₂ (aq)
• Ag₂Br (s) + Mg(NO₃)₂ (aq)
• Ag₂Br (aq) + Mg(NO₃)₂ (s)
• Ag₂Mg (aq) + Br(NO₃)₂ (s)

What products will form if the reaction takes place?
Na₃PO₄ (aq) + CaCl₂ (aq) ->

• NaCl (aq) + Ca₃(PO₄)₂ (s)
• Na₂Ca (aq) + Cl₃PO₄ (s)
• NaCl (s) + Ca₃(PO₄)₂ (aq)
• Na₂Ca (s) + Cl₃PO₄ (aq)

Which type of equation shows only the spectator ions- NOT all of the ions- involved in a precipitation reaction?

• Complete Ionic Equation
• Net Ionic Equation
• Net Covalent Equation
• Complete Covalent Equation

What is the NET ionic equation for this reaction?
2KCl (aq) + Pb(NO₃)₂ (aq) -> 2KNO₃ (aq) + PbCl₂ (s)

• 2Cl^- (aq) + Pb⁺² (aq) -> PbCl₂ (s)
• 2K⁺ (aq) + 2NO₃^- (aq) -> 2KNO₃ (aq)