Chemical Reactions
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.
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 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 the charge on a proton?
Negative
Neutral
Positive
Variable

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What is produced as a gas when hydrochloric acid reacts with zinc metal?
H2(g)
Cl2(g)
Zn2+(g)
HCl(g)
Which of these best describes a net ionic equation?
It is a chemical equation that shows only the species participating in a chemical reaction and omits the spectator ions.
It is an unbalanced representation of a chemical reaction.
It represents only the precipitate formed after a chemical reaction.
It includes all ions present during the reaction, including spectator ions.
In net ionic equations, which group of nonmetals typically forms anions with a -2 charge?
Alkali Metals (Group 1)
Chalcogens (Group 16)
Noble gases (Group 18)
Halogens (Group 17)