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Hg2 + 2 Na2CO3 = 2 HgCO3 + 2 Na2
Ca(NO3)2(aq) + NH4F(aq) = CaF2(aq) + N2O(g) + H2O(l) =>
Ca(NO3)2(aq) + 2 NH4F(aq) = CaF2(aq) + 2 N2O(g) + 4 H2O(l)
NaMnO4 + NaNO2 + HNO3 = NaNO3 + Mn(NO3)2 + H2O =>
2 NaMnO4 + 5 NaNO2 + 6 HNO3 = 7 NaNO3 + 2 Mn(NO3)2 + 3 H2O
C(s) + H2O(g) = CO(g) + H2(g) =>
C(s) + H2O(g) = CO(g) + H2(g)
Fe + HBr = FeH + Br =>
Fe + HBr = FeH + Br
BrO3{-} + SO2 + H2O = Br2 + SO4{-2} + H{+} =>
2 BrO3{-} + 5 SO2 + 4 H2O = Br2 + 5 SO4{-2} + 8 H{+}
Pb2O4 + C = Pb + CO2 =>
Pb2O4 + 2 C = 2 Pb + 2 CO2
(NH4)3PO4 + Pb(BrO3)2 = Pb3(PO4)2 + NH4BrO3 =>
2(NH4)3PO4 + 3 Pb(BrO3)2 = Pb3(PO4)2 + 6 NH4BrO3
NH4 + H2O2 = NH3 + H2O =>
2 NH4 + H2O2 = 2 NH3 + 2 H2O
CuCO3*Cu(OH)2 = H2O + CO2 + CuO =>
CuCO3*Cu(OH)2 = H2O + CO2 + 2 CuO
C6H5CHO + O2 = CO2 + H2O =>
C6H5CHO + 8 O2 = 7 CO2 + 3 H2O
Al + Sn(NO3)4 = Al(NO3)4 + Sn =>
Al + Sn(NO3)4 = Al(NO3)4 + Sn
I2 + Cl = I2Cl6 =>
I2 + 6 Cl = I2Cl6
CO2 + O2 = CO3 =>
2 CO2 + O2 = 2 CO3
Ba(s) + N2 = Ba3N2(s) =>
3 Ba(s) + N2 = Ba3N2(s)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH3COONa + HNO3 = NaNO3 + CH3COOH =>
CH3COONa + HNO3 = NaNO3 + CH3COOH
Cu(s) + S(s) = CuS(s) =>
Cu(s) + S(s) = CuS(s)
BF3 = B + F2 =>
2 BF3 = 2 B + 3 F2
C51H98O6 + NaOH = C48H93O6Na3 + C3H8O3 =>
C51H98O6 + 3 NaOH = C48H93O6Na3 + C3H8O3
NH3 + Mg + H2O = MgOH + NH4 =>
NH3 + Mg + H2O = MgOH + NH4
NaNO2 + HNO3 = NaNO3 + NO2 + H2O =>
NaNO2 + 2 HNO3 = NaNO3 + 2 NO2 + H2O
HNO3 + Br = HNO + O2Br =>
HNO3 + Br = HNO + O2Br
Al + KOH + HOH = KAl(OH)4 + H2 =>
2 Al + 2 KOH + 6 HOH = 2 KAl(OH)4 + 3 H2
NH3 + O3 = N2 + H2O =>
2 NH3 + O3 = N2 + 3 H2O
Na3C6H5O7 + HCl = H3C6H5O7 + NaCl =>
Na3C6H5O7 + 3 HCl = H3C6H5O7 + 3 NaCl
Cs + HBr = HCs + Br =>
Cs + HBr = HCs + Br
Al(s) + HCl(aq) = H2(g) + AlCl3(aq) =>
2 Al(s) + 6 HCl(aq) = 3 H2(g) + 2 AlCl3(aq)
Fe2 + CaCl2 = Fe(Cl2)3 + Ca =>
Fe2 + 6 CaCl2 = 2 Fe(Cl2)3 + 6 Ca
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeS + Na2CO3 = Fe2O3 + SO2 + Na + CO2 =>
2 FeS + 7 Na2CO3 = Fe2O3 + 2 SO2 + 14 Na + 7 CO2
AgNO3 + NaBH4 = Ag + NaNO3 + BH3 + H2 =>
2 AgNO3 + 2 NaBH4 = 2 Ag + 2 NaNO3 + 2 BH3 + H2
Cl2 + NH4OH = NH4Cl + H2O + N2 =>
3 Cl2 + 8 NH4OH = 6 NH4Cl + 8 H2O + N2
NH3 + K2CO3 + C = KCN + H2O =>
2 NH3 + K2CO3 + C = 2 KCN + 3 H2O
Sr(s) + Cl2(g) = SrCl(s) =>
2 Sr(s) + Cl2(g) = 2 SrCl(s)
AuI3 + O2 = Au2O3 + I2 =>
4 AuI3 + 3 O2 = 2 Au2O3 + 6 I2
KAlSi3O8 + CO2 + H2O = Al2Si2O5(OH)4 + SiO2 + KHCO3 =>
2 KAlSi3O8 + 2 CO2 + 3 H2O = Al2Si2O5(OH)4 + 4 SiO2 + 2 KHCO3
Cu + Na2(SO4) = Cu2(SO4) + Na =>
2 Cu + Na2(SO4) = Cu2(SO4) + 2 Na
NiCl2*6H2O + NH4OH = Ni(OH)2 + NH4Cl + H2O =>
NiCl2*6H2O + 2 NH4OH = Ni(OH)2 + 2 NH4Cl + 6 H2O
PH3 + HMnO4 = MnO2 + H3PO4 + H2O =>
3 PH3 + 8 HMnO4 = 8 MnO2 + 3 H3PO4 + 4 H2O
Cd(s) + H2SO4(aq) = CdSO4(aq) + H2(g) =>
Cd(s) + H2SO4(aq) = CdSO4(aq) + H2(g)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na + C = Na2C =>
2 Na + C = Na2C
S + H2O = H2S + OH =>
S + 2 H2O = H2S + 2 OH
Sr + AgCl = AgSr + Cl =>
Sr + AgCl = AgSr + Cl
Pb(NO3)2 + CsBr = PbBr2 + CsNO3 =>
Pb(NO3)2 + 2 CsBr = PbBr2 + 2 CsNO3
K2Cr2O7 + KI + HNO3 = KNO3 + Cr(NO3)3 + I2 + H2O =>
K2Cr2O7 + 6 KI + 14 HNO3 = 8 KNO3 + 2 Cr(NO3)3 + 3 I2 + 7 H2O
SrF2 = Sr + F2 =>
SrF2 = Sr + F2
Fe + SO2 = Fe3SO2 =>
3 Fe + SO2 = Fe3SO2
Cu(NO3)2(aq) + NaHCO3(aq) = CO2 + CuCO3 + H2O + NaNO3 =>
Cu(NO3)2(aq) + 2 NaHCO3(aq) = CO2 + CuCO3 + H2O + 2 NaNO3
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