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2 HgO = 2 Hg + O2
Zn + MnO2 + H2O = Zn(OH)2 + Mn2O3 =>
Zn + 2 MnO2 + H2O = Zn(OH)2 + Mn2O3
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
AgNO3 + Mg2Cl2 = AgCl + Mg(NO3) =>
2 AgNO3 + Mg2Cl2 = 2 AgCl + 2 Mg(NO3)
P4O10(s) + H2O(l) = H3PO4(aq) =>
P4O10(s) + 6 H2O(l) = 4 H3PO4(aq)
K2CrO4 + AgK2 = K + AgCrO4 =>
K2CrO4 + AgK2 = 4 K + AgCrO4
BaOHCl + HCl = BaCl2 + H2O =>
BaOHCl + HCl = BaCl2 + H2O
KCr(SO4)2 + H2O = H2[Cr2(H2O)4(SO4)3(OH)2] + K2SO4 =>
2 KCr(SO4)2 + 6 H2O = H2[Cr2(H2O)4(SO4)3(OH)2] + K2SO4
H2O + C4H8O2 = CH3CH2OH + C2H4O2 =>
H2O + C4H8O2 = CH3CH2OH + C2H4O2
ZnSO4 + NaOH = Zn(OH)2 + Na2(SO4) =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2(SO4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu(s) + HNO3(l) = Cu(NO3)2(l) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(l) = Cu(NO3)2(l) + 2 NO2(g) + 2 H2O(l)
MgBr2 + NaOH = MgNa + Br2OH =>
MgBr2 + NaOH = MgNa + Br2OH
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
C2F5Cl + O2 = CO2 + F5 + Cl =>
C2F5Cl + 2 O2 = 2 CO2 + F5 + Cl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2(NO3) + Ag = Ag(NO3)2 + H2 =>
2 H2(NO3) + Ag = Ag(NO3)2 + 2 H2
NO2{-} + H{+} = N(NO2)3 + H2O =>
4 NO2{-} + 4 H{+} = N(NO2)3 + 2 H2O
XBF3 + XH2O = XHF + XH3BO3 =>
XBF3 + 3 XH2O = 3 XHF + XH3BO3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
CCl3COOH = CHCl3 + CO2 =>
CCl3COOH = CHCl3 + CO2
Pb + C2H5NS = PbS + C2H5N =>
Pb + C2H5NS = PbS + C2H5N
(NH4)2MoO4 + HCl + Zn = MoCl3 + ZnCl2 + H2O + NH3 =>
2(NH4)2MoO4 + 12 HCl + 3 Zn = 2 MoCl3 + 3 ZnCl2 + 8 H2O + 4 NH3
HClO2 + NaOH = H2O + NaClO2 =>
HClO2 + NaOH = H2O + NaClO2
K2O + H2O = H2OK2O =>
K2O + H2O = H2OK2O
Cl2 + NH4I = I2 + NH4Cl =>
Cl2 + 2 NH4I = I2 + 2 NH4Cl
KCl + O2 = K2O + Cl =>
4 KCl + O2 = 2 K2O + 4 Cl
S2O3 + BrO3 = SO3 + Br2 =>
2 S2O3 + 2 BrO3 = 4 SO3 + Br2
Fe(NO3)3 + H2O = [Fe(H2O)6] + NO3 =>
Fe(NO3)3 + 6 H2O = [Fe(H2O)6] + 3 NO3
Pb(OH)2 = PbOH + OH =>
Pb(OH)2 = PbOH + OH
[Co(NH3)5Cl]Cl2 + NH3 + NO2 + H2O = [Co(NH3)5ONO]Cl2 + HCl =>
7[Co(NH3)5Cl]Cl2 + NH3 + 6 NO2 + 2 H2O = 7[Co(NH3)5ONO]Cl2 + 7 HCl
PbCl2(s) + H2SO4(aq) = HCl(aq) + PbSO4(s) =>
PbCl2(s) + H2SO4(aq) = 2 HCl(aq) + PbSO4(s)
Na2Cr2O7 + HCl + H2SO4 = CrO2Cl2 + H2O + Na2SO4 =>
Na2Cr2O7 + 4 HCl + H2SO4 = 2 CrO2Cl2 + 3 H2O + Na2SO4
AgClO4 + CaBr = AgBr + CaClO4 =>
AgClO4 + CaBr = AgBr + CaClO4
Hg(No3)2 + Zn = Hg + ZnNo3 =>
Hg(No3)2 + 2 Zn = Hg + 2 ZnNo3
CH3COOH + LiOH = H2O + CH3COOLi =>
CH3COOH + LiOH = H2O + CH3COOLi
OH + C2H5OH = CO2 + H2O =>
12 OH + C2H5OH = 2 CO2 + 9 H2O
CO2KOH = KHCO3 =>
CO2KOH = KHCO3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Co(s) + HCl(aq) = CoCl3(aq) + H2(g) =>
2 Co(s) + 6 HCl(aq) = 2 CoCl3(aq) + 3 H2(g)
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
NaOH + Ca(OH)2 = NaCa + OH =>
NaOH + Ca(OH)2 = NaCa + 3 OH
Fe{+2} + Mg = Mg{2} + Fe =>
Fe{+2} + Mg = Mg{2} + Fe
K2CrO7 + H2O + S2 = KOH + Cr2O7 + SO2 =>
8 K2CrO7 + 8 H2O + 5 S2 = 16 KOH + 4 Cr2O7 + 10 SO2
Ag + S = AgS =>
Ag + S = AgS
RCOOR + NaOH = NaCO2 + OHR2 =>
RCOOR + NaOH = NaCO2 + OHR2
NiO + HCl = NiCl2 + H2O =>
NiO + 2 HCl = NiCl2 + H2O
N2O + H2O = NH3 + O2 =>
N2O + 3 H2O = 2 NH3 + 2 O2
PCl(s) + Cl2(g) = PCl5(g) =>
PCl(s) + 2 Cl2(g) = PCl5(g)
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