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2 Na + 2(H2)O = 2 NaOH + H2
Na2O(s) + HNO2(aq) = NaNO2(aq) + H2O(l) =>
Na2O(s) + 2 HNO2(aq) = 2 NaNO2(aq) + H2O(l)
H2SO4 + Pb(C2H3O2)2 = PbSO4 + C2H4O2 =>
H2SO4 + Pb(C2H3O2)2 = PbSO4 + 2 C2H4O2
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
NaCl(ac) + H2SO4(ac) = Na2SO4(ac) + HCl =>
2 NaCl(ac) + H2SO4(ac) = Na2SO4(ac) + 2 HCl
HCe + MnO2 = Ce2 + MnCe2 + H2O =>
4 HCe + MnO2 = Ce2 + MnCe2 + 2 H2O
Fe(OH)2 = Fe2O3 + H2O + H =>
2 Fe(OH)2 = Fe2O3 + H2O + 2 H
Na2SiO3 + BaCl2 = BaSiO3 + NaCl =>
Na2SiO3 + BaCl2 = BaSiO3 + 2 NaCl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HCe + MnO2 = Ce2 + MnCe2 + H2O =>
4 HCe + MnO2 = Ce2 + MnCe2 + 2 H2O
KMnO4 + Na2S + KOH = K2MnO4 + Na2SO4 + H2O =>
8 KMnO4 + Na2S + 8 KOH = 8 K2MnO4 + Na2SO4 + 4 H2O
FeCl3 + SnCl2 = FeCl2 + SnCl4 =>
2 FeCl3 + SnCl2 = 2 FeCl2 + SnCl4
Ca(OCl)Cl + KI + HCl = I2 + Ca(Cl)2 + H2O + KCl =>
Ca(OCl)Cl + 2 KI + 2 HCl = I2 + Ca(Cl)2 + H2O + 2 KCl
CH3COOH + KMnO4 = K2CO3 + CO2 + MnO2 + H2O =>
3 CH3COOH + 8 KMnO4 = 4 K2CO3 + 2 CO2 + 8 MnO2 + 6 H2O
HCe + MnO2 = Ce2 + MnCe2 + H2O =>
4 HCe + MnO2 = Ce2 + MnCe2 + 2 H2O
HCHOC6H5OH = C6H5CHOH2O =>
HCHOC6H5OH = C6H5CHOH2O
HCe + MnO2 = Ce2 + MnCe2 + H2O =>
4 HCe + MnO2 = Ce2 + MnCe2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HBr(aq) + KHSO3(aq) = H2O(l) + SO2(g) + KBr(aq) =>
HBr(aq) + KHSO3(aq) = H2O(l) + SO2(g) + KBr(aq)
Ca + CuCO3 = Cu + Ca(CO3) =>
Ca + CuCO3 = Cu + Ca(CO3)
Ga(OH)3 + NaOH = NaGa(OH)4 =>
Ga(OH)3 + NaOH = NaGa(OH)4
CuCl2 + NaCl = CuNa + Cl =>
CuCl2 + NaCl = CuNa + 3 Cl
Br2 + C11H12O2 = C11H12Br2O2 =>
Br2 + C11H12O2 = C11H12Br2O2
C4H6O4 + H2 + CH3NH2 = C5H9NO + H2O =>
C4H6O4 + 2 H2 + CH3NH2 = C5H9NO + 3 H2O
MgCo3Ba(No3)2 = Mg(No3)2BaCo3 =>
MgCo3Ba(No3)2 = Mg(No3)2BaCo3
CH3Br(g) = CH3(g) + Br(g) =>
CH3Br(g) = CH3(g) + Br(g)
ammonia + iodine = nitrogen + ammoniumiodide =>
8 NH3 + 3 I2 = N2 + 6 NH4I
Ba(NO3)2 + Na2SO4 = BaSO4 + [Na(NO3)]2 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + [Na(NO3)]2
CH3COOLi*2H2O + Ni(CH3COO)2*4H2O + Co(CH3COO)2*4H2O + Mn(CH3COO)2*4H2O + O2 = Li109Ni14Co46Mn31O200 + CO2 + H2O =>
436 CH3COOLi*2H2O + 56 Ni(CH3COO)2*4H2O + 184 Co(CH3COO)2*4H2O + 124 Mn(CH3COO)2*4H2O + 2437 O2 = 4 Li109Ni14Co46Mn31O200 + 2328 CO2 + 4074 H2O
Sr3N2 = Sr + N2 =>
Sr3N2 = 3 Sr + N2
CuCl2 + NaBH4 + H2O = Cu + NaCl + H3BO3 + H2 =>
CuCl2 + 2 NaBH4 + 6 H2O = Cu + 2 NaCl + 2 H3BO3 + 7 H2
K2SO4 + CaCO3 = K2CO3 + CaSO4 =>
K2SO4 + CaCO3 = K2CO3 + CaSO4
H2S + KMnO4 + HCl + KCl = K2SO4 + MnCl2 + H2O =>
5 H2S + 8 KMnO4 + 14 HCl + 2 KCl = 5 K2SO4 + 8 MnCl2 + 12 H2O
FeCl2 + PO4{-3} = Fe3(PO4)2 + Cl{-} =>
3 FeCl2 + 2 PO4{-3} = Fe3(PO4)2 + 6 Cl{-}
Fe2(SO4)3(aq) + Al(s) = Al(SO4)3(aq) + Fe(s) =>
Fe2(SO4)3(aq) + Al(s) = Al(SO4)3(aq) + 2 Fe(s)
K2SO3 + CrCl3 + H2O = K2SO4 + CrCl2 + HCl =>
K2SO3 + 2 CrCl3 + H2O = K2SO4 + 2 CrCl2 + 2 HCl
AgCl + NH4SCN = NH4Cl + AgSCN =>
AgCl + NH4SCN = NH4Cl + AgSCN
Al + S = AlS =>
Al + S = AlS
KOH(aq) + NiCl2(aq) = Ni(OH)2(s) + KCl(aq) =>
2 KOH(aq) + NiCl2(aq) = Ni(OH)2(s) + 2 KCl(aq)
HC9H7O4 + Na2CO3 = NaC9H7O4 + CO2 + H2O =>
2 HC9H7O4 + Na2CO3 = 2 NaC9H7O4 + CO2 + H2O
PbI2(aq) + HNO3(aq) = Pb(NO3)2 + IH =>
PbI2(aq) + 2 HNO3(aq) = Pb(NO3)2 + 2 IH
ZnO + Fe2O3 = ZnFe2O4 =>
ZnO + Fe2O3 = ZnFe2O4
AgNO3 + Cs = CsNO3 + Ag =>
AgNO3 + Cs = CsNO3 + Ag
NaHS + H2SO4 = Na2SO4 + SO2 + H2O =>
2 NaHS + 7 H2SO4 = Na2SO4 + 8 SO2 + 8 H2O
ScCl3 = Sc + Cl =>
ScCl3 = Sc + 3 Cl
CuSO4 + (NH4)2[Hg(SCN)4] + ZnSO4 = Cu[Hg(SCN)4]Zn[Hg(SCN)4] + (NH4)2SO4 =>
CuSO4 + 2(NH4)2[Hg(SCN)4] + ZnSO4 = Cu[Hg(SCN)4]Zn[Hg(SCN)4] + 2(NH4)2SO4
Mn(s) + HI(aq) = MnI2(aq) + H2(g) =>
Mn(s) + 2 HI(aq) = MnI2(aq) + H2(g)
H2O2 + SO2(g) = H2SO4(aq) =>
H2O2 + SO2(g) = H2SO4(aq)
(NH4)2S(aq) + Pb(NO3)2(aq) = PbS(s) + NH4NO3(aq) =>
(NH4)2S(aq) + Pb(NO3)2(aq) = PbS(s) + 2 NH4NO3(aq)
CuO + hydrochloricacid = CuCl2 + water =>
CuO + 2 HCl = CuCl2 + H2O
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