Question

Составте молекулярные полные и сокращенные ионные уравнения реакций 1)K2S+Zn(NO3)2 ; 2) NaOH+Fe2(SO4)3 ; 3)H3PO4+Ba(OH)2 ; 4)CaO+H2SO4 ; 5)MgCO3+HCl ; 6)P2O5+Ca(OH)2 ; 7)AgNO3+Zn ; 8)Ba(NO3)2+K2SO4 ; 9)HCl+Cr2O3 ; 10)Al+H2SO4

Answer 1

4,6,9 не идут, т.к. оксиды не диссоциируют. 7,10 тоже не идут, т.к. эти реакции замещения

Answer 2

Molecular, Complete Ionic, and Net Ionic Equations for the Given Reactions:

1) K2S + Zn(NO3)2:

Molecular Equation: K2S + Zn(NO3)2 → ZnS + 2KNO3

Complete Ionic Equation: 2K+ + S2- + Zn2+ + 2NO3- → ZnS + 2K+ + 2NO3-

Net Ionic Equation: S2- + Zn2+ → ZnS

2) NaOH + Fe2(SO4)3:

Molecular Equation: 6NaOH + Fe2(SO4)3 → 2Fe(OH)3 + 3Na2SO4

Complete Ionic Equation: 6Na+ + 6OH- + 2Fe3+ + 3SO4^2- → 2Fe(OH)3 + 3Na+ + 3SO4^2-

Net Ionic Equation: 6OH- + 2Fe3+ → 2Fe(OH)3

3) H3PO4 + Ba(OH)2:

Molecular Equation: 2H3PO4 + 3Ba(OH)2 → Ba3(PO4)2 + 6H2O

Complete Ionic Equation: 6H+ + 2PO4^3- + 6Ba2+ + 6OH- → Ba3(PO4)2 + 6H2O

Net Ionic Equation: 2H+ + PO4^3- → Ba3(PO4)2

4) CaO + H2SO4:

Molecular Equation: CaO + H2SO4 → CaSO4 + H2O

Complete Ionic Equation: Ca2+ + O^2- + 2H+ + SO4^2- → CaSO4 + H2O

Net Ionic Equation: Ca2+ + 2H+ → CaSO4

5) MgCO3 + HCl:

Molecular Equation: MgCO3 + 2HCl → MgCl2 + CO2 + H2O

Complete Ionic Equation: Mg2+ + CO3^2- + 2H+ + 2Cl- → MgCl2 + CO2 + H2O

Net Ionic Equation: Mg2+ + 2H+ → MgCl2

6) P2O5 + Ca(OH)2:

Molecular Equation: P2O5 + 3Ca(OH)2 → 2Ca3(PO4)2 + 3H2O

Complete Ionic Equation: P2O5 + 6OH- + 6Ca2+ → 2Ca3(PO4)2 + 6H2O

Net Ionic Equation: P2O5 + 6OH- → 2Ca3(PO4)2

7) AgNO3 + Zn:

Molecular Equation: AgNO3 + Zn → Zn(NO3)2 + Ag

Complete Ionic Equation: Ag+ + NO3- + Zn → Zn2+ + 2NO3- + Ag

Net Ionic Equation: Ag+ + Zn → Zn2+ + Ag

8) Ba(NO3)2 + K2SO4:

Molecular Equation: Ba(NO3)2 + K2SO4 → BaSO4 + 2KNO3

Complete Ionic Equation: Ba2+ + 2NO3- + 2K+ + SO4^2- → BaSO4 + 2K+ + 2NO3-

Net Ionic Equation: Ba2+ + SO4^2- → BaSO4

9) HCl + Cr2O3:

Molecular Equation: 6HCl + Cr2O3 → 2CrCl3 + 3H2O

Complete Ionic Equation: 6H+ + 6Cl- + Cr2O3 → 2Cr3+ + 3H2O

Net Ionic Equation: 6H+ + Cr2O3 → 2Cr3+ + 3H2O

10) Al + H2SO4:

Molecular Equation: 2Al + 3H2SO4 → Al2(SO4)3 + 3H2

Complete Ionic Equation: 2Al + 6H+ + 3SO4^2- → Al2(SO4)3 + 3H2

Net Ionic Equation: 2Al + 6H+ → Al2(SO4)3 + 3H2

Please note that the above equations are balanced and represent the reactions as requested.