Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed. Group of answer choices Li (aq) SO42-(aq) Cu (aq) NO3-(aq) CuS(s) Li (aq) NO3-(aq) Li (aq) S-(aq) Cu (aq) NO3-(aq) CuS(s) LiNO3(aq) 2 Li (aq) S2-(aq) Cu2 (aq) 2 NO3-(aq) Cu2 (aq) S2-(aq) 2 LiNO3(s) 2 Li (aq) S2-(aq) Cu2 (aq) 2 NO3-(aq) CuS(s) 2 Li (aq) 2 NO3-(aq) No reaction occurs.

The complete ionic equation for the reaction that occurs when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed is:

2 Li⁺(aq) + S²⁻(aq) + Cu²⁺(aq) + 2 NO₃⁻(aq) ⇒ CuS(s) + 2 Li⁺(aq) + 2 NO₃⁻(aq)

Let's consider the molecular equation for the reaction that takes place when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed. This is a double displacement reaction.

Li₂S(aq) + Cu(NO₃)₂(aq) ⇒ CuS(s) + 2 LiNO₃(aq)

In the complete ionic equation, the aqueous species appear as ions while the solids appear undissociated.

2 Li⁺(aq) + S²⁻(aq) + Cu²⁺(aq) + 2 NO₃⁻(aq) ⇒ CuS(s) + 2 Li⁺(aq) + 2 NO₃⁻(aq)

The complete ionic equation for the reaction that occurs when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed is:

2 Li⁺(aq) + S²⁻(aq) + Cu²⁺(aq) + 2 NO₃⁻(aq) ⇒ CuS(s) + 2 Li⁺(aq) + 2 NO₃⁻(aq)

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2Li⁺(aq) + S²⁻(aq) + Cu²⁺(aq) + 2NO₃⁻(aq) ⟶ 2Li⁺(aq) + 2NO₃⁻(aq) + CuS(s)  

Explanation:

An ionic equation uses the symbols (aq) [aqueous] to indicate ions that are soluble in water and (s) [solid] to indicate insoluble solids.

In this equation, aqueous lithium sulfide might react with aqueous copper(II) nitrate to form lithium nitrate and copper(II) sulfide.

1. Possible molecular equation

Li₂S(aq) + Cu(NO₃)₂(aq) ⟶ 2LiNO₃ + CuS

2. Ionic equation

Nitrates and the salts of Group 1 metals are soluble, so LiNO₃ is soluble.

Sulfides are usually insoluble, so CuS is a precipitate.

We write the formulas of soluble salts as ions, and those of insoluble salts in the "molecular" form.

The complete ionic equation is

2Li⁺(aq) + S²⁻(aq) + Cu²⁺(aq) + 2NO₃⁻(aq) ⟶ 2Li⁺(aq) + 2NO₃⁻(aq) + CuS(s)

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

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