Tuesday, April 30, 2019

Molecular and ionic equations Assignment Example | Topics and Well Written Essays - 250 words

molecular(a) and ionic equivalences - Assignment ExampleMolecular comparison Cu(s)+4NHO3 (aq) Cu(NO3)2 (aq)+2NO2 (g)+2H2O (g) Ironic equation Cu(s)+4H+(aq)+4NO3-(aq) Cu2+(aq)+2NO3-(aq)+ 2N3+(aq)+4O2-(aq)+ 2H2O (g) Step 2 Molecular equation Cu(NO3)2 (aq)+2NaOH(aq) Cu(OH)2 (s)+2NaNO3 (aq) Ionic equation Cu2+(aq)+ 2NO3-(aq)+2Na+(aq)+2OH-(aq) Cu2+(aq)+ 2OH-(aq)+2 Na+(aq)+ 2NO3-(aq) Step 3 Molecular equation Cu(OH)2 (s) CuO(s) +H2O(g) Ionic equation Cu2+(aq)+ 2OH-(aq) Cu2+(aq)+O2-+ H2O(g) Step 4 Molecular equation CuO(s)+H2SO4 (aq) CuSO4(aq)+ H2O(l) Ionic equation Cu2+(aq)+O2-(aq)+2H+(aq)+SO42-(aq) Cu2+(aq)+ SO42-(aq)+ H2O(l) Step 5 Molecular equation CuSO4(aq)+Zn(s) Cu(s)+ZnSO4(aq) Ionic equation Cu2+(aq)+ )+ SO42-(aq)+Zn(s) Cu(s)+Zn2+(aq)+ SO42-(aq) Side reactions a)Molecular equation Zn(s)+HCl(aq) ZnCl2 (aq)+H2 (g) Ionic equation Zn(s)+H+(aq)+Cl-(aq) Zn2+(aq)+Cl-(aq)+H2 (g) b)Molecular equation HCl(aq)+NH3 (aq) NH4Cl (aq) Ionic equation H+(aq)+Cl-(aq) NH4+(aq) 2.The mas of slob cou ld be in excess as it may have oxidized to form copper (II) Oxide and in like manner due to the side reactions that takes place.

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