Question

Написати рівняння практично можливих реакцій у молекулярній формі, повній йонній та скороченій йонній формах: а) НNO3 + Ва(ОН)2 →…; б) КNO3 + BaCl2 → … ; в) СаСО3 + НNO3 →…; г) NaOH+ Fe2(SO4)3 →… д) ВаSO4 + HNO3 →…; ж) NaCl + КNO3 →… .

Answer 1

А) 2HNO₃ + Ba(OH)₂ = Ba(NO₃)₂ + 2H₂O
     2H⁺ + 2NO₃⁻ + Ba²⁺ + 2OH⁻ = Ba²⁺ 2NO₃⁻ + 2H₂O
     2H⁺ + 2OH⁻ = 2H₂O
     H⁺ + OH⁻ = H₂O
Б) Не пойдёт, так как образуются растворимые соли.
В) CaCO₃ + 2HNO₃ = Ca(NO₃)₂ + CO₂ + H₂O
     CaCO₃ + 2H⁺ + 2NO₃⁻ = Ca²⁺ + 2NO₃⁻ + CO₂ + H₂O
     CaCO₃ + 2H⁺ = Ca²⁺ + CO₂ + H₂O
Г) 6NaOH + Fe₂(SO₄)₃ = 3Na₂SO₄ + 2Fe(OH)₃
    6Na⁺ + 6OH⁻ + 2Fe³⁺ + 3SO₄²⁻ = 6Na⁺ + 3SO₄²⁻ + 2Fe(OH)₃
    6OH⁻ + 2Fe³⁺ = 2Fe(OH)₃
Д) Не пойдёт, так как образуются растворимая соль и сильная кислота.
Ж) Не пойдёт, так как образуются растворимые соли.

Answer 2

Writing Equations for Chemical Reactions

a) Writing the balanced chemical equations for the reactions in molecular, complete ionic, and net ionic forms:

a) NNO3 + Ba(OH)2 → ...

In molecular form: 1. The molecular equation is: - NNO3 + Ba(OH)2 → Ba(NO3)2 + H2O

In complete ionic form: 2. The complete ionic equation is: - N^+ + NO3^- + Ba^2+ + 2OH^- → Ba^2+ + 2NO3^- + 2H2O

In net ionic form: 3. The net ionic equation is: - N^+ + 2OH^- → N(OH)2

b) KNO3 + BaCl2 → ...

In molecular form: 1. The molecular equation is: - KNO3 + BaCl2 → Ba(NO3)2 + KCl

In complete ionic form: 2. The complete ionic equation is: - K^+ + NO3^- + Ba^2+ + 2Cl^- → Ba^2+ + 2NO3^- + 2K^+ + 2Cl^-

In net ionic form: 3. The net ionic equation is: - K^+ + Cl^- → KCl

c) CaCO3 + HNO3 → ...

In molecular form: 1. The molecular equation is: - CaCO3 + 2HNO3 → Ca(NO3)2 + CO2 + H2O

In complete ionic form: 2. The complete ionic equation is: - Ca^2+ + CO3^2- + 2H^+ + 2NO3^- → Ca^2+ + 2NO3^- + CO2 + H2O

In net ionic form: 3. The net ionic equation is: - CO3^2- + 2H^+ → CO2 + H2O

d) NaOH + Fe2(SO4)3 → ...

In molecular form: 1. The molecular equation is: - 2NaOH + Fe2(SO4)3 → 2Na2SO4 + Fe(OH)3

In complete ionic form: 2. The complete ionic equation is: - 2Na^+ + 2OH^- + 2Fe^3+ + 3SO4^2- → 2Na^+ + 2SO4^2- + 2Fe^3+ + 6OH^-

In net ionic form: 3. The net ionic equation is: - 2OH^- + 2Fe^3+ → 2Fe(OH)3

e) BaSO4 + HNO3 → ...

In molecular form: 1. The molecular equation is: - BaSO4 + 2HNO3 → Ba(NO3)2 + H2SO4

In complete ionic form: 2. The complete ionic equation is: - Ba^2+ + SO4^2- + 2H^+ + 2NO3^- → Ba^2+ + 2NO3^- + H2SO4

In net ionic form: 3. The net ionic equation is: - SO4^2- + 2H^+ → H2SO4

ж) NaCl + KNO3 → ...

In molecular form: 1. The molecular equation is: - NaCl + KNO3 → KCl + NaNO3

In complete ionic form: 2. The complete ionic equation is: - Na^+ + Cl^- + K^+ + NO3^- → K^+ + Cl^- + Na^+ + NO3^-

In net ionic form: 3. The net ionic equation is: - No spectator ions, so the net ionic equation is the same as the complete ionic equation.

I hope this helps! If you have any more questions, feel free to ask.