Cmplete and balance the following equations: (a) Na +O2⟶ (b) Na2O+H2O⟶ (c) Fe(s)+H2O(g)Red heat−−−−−→ (d) Cu(NO3)2(aq)+Zn(s)→
(a) 4Na+O2⟶2Na2O (b) Na2O+H2O⟶2NaOH (c) 3Fe+4H2ORed heat−−−−−→Fe3O4+4H2 (d) Zn+Cu(NO3)2⟶Zn(NO3)2+Cu
Complete and balance the following reactions.
(a) Na+H2O→ _________ + _________
(b) Ca+H2O→ __________+_________
(c) Mg+H2O→ __________+_________
(d) Zn+H2O→ ___________+_________
(e) Fe+H2O→____________+_________
(f) Zn+HCl→ _____________+__________
(g) Al+H2SO4→__________+_________
(h) Fe+HCl→___________+____________
(i) Zn+NaOH→ __________+____________
(j) Al+KOH+H2O _________+____________
Complete and balance the following equations :
(a) H2+⋅⋅⋅⋅⋅⋅⋅⋅→ 2HCl
(b) H2+S→ ⋅⋅⋅⋅⋅⋅⋅⋅
(c) Zn+⋅⋅⋅⋅⋅⋅⋅⋅→ ZnCl2+H2
(d) Cuo+⋅⋅⋅⋅⋅⋅⋅⋅→ Cu+⋅⋅⋅⋅⋅⋅⋅⋅
(e) Fe+H2O →+⋅⋅⋅⋅⋅⋅⋅⋅
(f) K+H2O → ⋅⋅⋅⋅⋅⋅⋅⋅+⋅⋅⋅⋅⋅⋅⋅⋅
Complete and balance the following chemical equations :
(a) Zn(s)+HCl(aq)→
(b) Na2CO3(s)+HCl(aq)→
(c) NaHCO3(s)+HCl(aq)→
(d) NaOH(aq)+HCl(aq)→
(e) CuO(s)+HCl(aq)→