Chemical Reactions
Identify the spectator ions in the reaction between solutions of sodium carbonate and calcium chloride.
Ca²⁺ and Cl⁻
Ca²⁺ and CO₃²⁻
Na⁺ and Cl⁻
Na⁺ and CO₃²⁻
What type of ions do alkaline earth metals generally form?
-2 anions
+2 cations
-13 cations
+3 cations
What is the charge on a proton?
Negative
Neutral
Positive
Variable
What role does sulfuric acid have when it reacts with copper II oxide?
Catalyst
Displacement reactant
Oxidizing agent
Acid-base neutralizer
What is the net ionic equation for the reaction between silver nitrate and magnesium iodide?
2Ag⁺ + 2I⁻ -> 2AgI
Mg⁺² + I⁻ -> MgI₂
Ag⁺ + I⁻ -> AgI
Mg⁺² + 2I⁻ -> MgI₂
What is produced as a gas when hydrochloric acid reacts with zinc metal?
H2(g)
Cl2(g)
Zn2+(g)
HCl(g)
What change in physical properties would you expect upon hydrogen bonding increasing within a sample?
Increased diffusion rate
Higher boiling point
Lower melting point
Increased thermal conductivity

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What solid is produced in the reaction between solutions of sodium sulfate and barium oxide?
BaO
BaSO₄
Na₂SO₄
Na₂O
Which ion combination would not produce a net ionic equation due to all components being soluble?
Ca^2+( aq)+CO3^(−)_₂(aq)
Pb^2+(aq)+ I^-_(aq)
Fe^3+(aq)+3OH^-_(aq)
Ag^+ (aq) + NO3^- (aq)
When writing balanced net iconic equations, what must be conserved?
Charge and mass.
Concentration and energy.
Pressure and volume.
Temperature and mass.