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2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Pb(s) + AgNO3(aq) = Pb(NO3)2(aq) + Ag(s) =>
Pb(s) + 2 AgNO3(aq) = Pb(NO3)2(aq) + 2 Ag(s)
Na2S + HBr = NaBr + H2S =>
Na2S + 2 HBr = 2 NaBr + H2S
C4H8O2 + CH3OH = C5H10O2 + H2O =>
C4H8O2 + CH3OH = C5H10O2 + H2O
H2S + Fe2(CO2)3 + O2 = Fe2(SO4)3 + H2O + CO2 =>
6 H2S + 2 Fe2(CO2)3 + 15 O2 = 2 Fe2(SO4)3 + 6 H2O + 6 CO2
PbO2 + Au + KOH = PbO + KAuO2 + H2O =>
3 PbO2 + 2 Au + 2 KOH = 3 PbO + 2 KAuO2 + H2O
CaPb(NO3)2 = PbCa(NO3)2 =>
CaPb(NO3)2 = PbCa(NO3)2
C4H10O2 + C3H6 = C3H6O + C4H10O =>
C4H10O2 + C3H6 = C3H6O + C4H10O
H4S + O2 = SO2 + H2O =>
H4S + 2 O2 = SO2 + 2 H2O
HC2H3O2 + LiHSO3 = H(HSO3) + LiC2H3O2 =>
HC2H3O2 + LiHSO3 = H(HSO3) + LiC2H3O2
Na3C6H5O7 + H2O2 = CO2 + H2O + Na =>
2 Na3C6H5O7 + 15 H2O2 = 12 CO2 + 20 H2O + 6 Na
H2C2O4 + NaBrO3 + H2O = Br2 + NaHCO3 + H2CO3 =>
5 H2C2O4 + 2 NaBrO3 + 4 H2O = Br2 + 2 NaHCO3 + 8 H2CO3
NaBiO3 + H2SO4 + NaAsO2 = H3AsO4 + H2O + Na2SO4 + Bi2(SO4)3 =>
2 NaBiO3 + 5 H2SO4 + 2 NaAsO2 = 2 H3AsO4 + 2 H2O + 2 Na2SO4 + Bi2(SO4)3
H4S + O2 = SO2 + H2O =>
H4S + 2 O2 = SO2 + 2 H2O
CaA2 = Ca + A =>
CaA2 = Ca + 2 A
H3PO4(ac) + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4(ac) + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
Na2SO4(aq) + NH4NO3(aq) = Na2NO3(aq) + NH4SO4(aq) =>
Na2SO4(aq) + NH4NO3(aq) = Na2NO3(aq) + NH4SO4(aq)
C4H9OH + CH3COOH = C6H12O2 + HO =>
4 C4H9OH + 7 CH3COOH = 5 C6H12O2 + 8 HO
C2H5OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + CH3COOH + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CH3COOH + 2 K2SO4 + 11 H2O
Fe3O4 + CO + P = P4O10 + Fe(CO)5 =>
5 Fe3O4 + 75 CO + 8 P = 2 P4O10 + 15 Fe(CO)5
Hg2(NO3)2 + KOH = HgO + Hg + KNO3 + H2O =>
Hg2(NO3)2 + 2 KOH = HgO + Hg + 2 KNO3 + H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
CrO2(ac) + ClO(ac) = CrO4(ac) + Cl(ac) =>
CrO2(ac) + 2 ClO(ac) = CrO4(ac) + 2 Cl(ac)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2SiO3 + K = K2SiO3 + H =>
H2SiO3 + 2 K = K2SiO3 + 2 H
NH4Br + AgNo3 = NH4No3 + AgBr =>
NH4Br + AgNo3 = NH4No3 + AgBr
P4 + KClO = KCl + P2O5 =>
P4 + 10 KClO = 10 KCl + 2 P2O5
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
HClO4 + CH3COONa = CH3COOH + NaClO4 =>
HClO4 + CH3COONa = CH3COOH + NaClO4
MgCl2 + Fe(CO3)3 = Mg(CO3)3 + FeCl2 =>
MgCl2 + Fe(CO3)3 = Mg(CO3)3 + FeCl2
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
Pb(NO3)2 + NiBr2 = PbBr2 + Ni(NO3)2 =>
Pb(NO3)2 + NiBr2 = PbBr2 + Ni(NO3)2
S2O8 + C12H9ClO + H2O = CO2 + H2SO4 + HCl =>
27 S2O8 + 2 C12H9ClO + 46 H2O = 24 CO2 + 54 H2SO4 + 2 HCl
Al + ZnO2 = Al2O3 + Zn =>
4 Al + 3 ZnO2 = 2 Al2O3 + 3 Zn
Li(OH) + H3PO3 = Li3(PO3) + H2O =>
3 Li(OH) + H3PO3 = Li3(PO3) + 3 H2O
K2CO3 + ZnSO4 = K2SO4ZnCO3 =>
K2CO3 + ZnSO4 = K2SO4ZnCO3
CH3COCH3 + CH3COOH = CH3COOCOCH3 + CH4 =>
CH3COCH3 + CH3COOH = CH3COOCOCH3 + CH4
CuO + H2SO4 = Cu{2} + SO4{-2} + H2O =>
CuO + H2SO4 = Cu{2} + SO4{-2} + H2O
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
H2O + Sb4O6 + KOH = K3[Sb(OH)6] =>
6 H2O + Sb4O6 + 12 KOH = 4 K3[Sb(OH)6]
Li + H2O(l) = LiOH + H2 =>
2 Li + 2 H2O(l) = 2 LiOH + H2
Mn(NO3)2 + NaBiO3 + HNO3 = NaMnO4 + Bi(NO3)3 + NaNO3 + H2O =>
2 Mn(NO3)2 + 5 NaBiO3 + 14 HNO3 = 2 NaMnO4 + 5 Bi(NO3)3 + 3 NaNO3 + 7 H2O
HCl + Mg5(CO3)4(OH)2 = MgCl2 + CO2 + H2O =>
10 HCl + Mg5(CO3)4(OH)2 = 5 MgCl2 + 4 CO2 + 6 H2O
K2Cr2O7 + NaS2O3 = Na2Cr2O7 + KS2O3 =>
K2Cr2O7 + 2 NaS2O3 = Na2Cr2O7 + 2 KS2O3
AsI3 = As + I2 =>
2 AsI3 = 2 As + 3 I2
BaCo3 + CuO + NH4H2PO4 = Ba3(PO4)2 + CoPO4 + Cu + H2O + NH3 =>
6 BaCo3 + 33 CuO + 22 NH4H2PO4 = 2 Ba3(PO4)2 + 18 CoPO4 + 33 Cu + 33 H2O + 22 NH3
Mg + HClO = Mg(ClO)2 + H =>
Mg + 2 HClO = Mg(ClO)2 + 2 H
NiSO4 + H2O = Ni(OH)2 + H2SO4 =>
NiSO4 + 2 H2O = Ni(OH)2 + H2SO4
H2S + HNO3(conc) = S + NO2 + H2O =>
H2S + 2 HNO3(conc) = S + 2 NO2 + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
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