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2 Nb(HCO3)5 = Nb2(CO3)5 + 5 H2O + 5 CO2
Pb(NO3)2(aq) = PbO(s) + NO2(g) + O2(g) =>
2 Pb(NO3)2(aq) = 2 PbO(s) + 4 NO2(g) + O2(g)
CO2 + H2O + Cu2O = H2CO + Cu(OH)2 =>
CO2 + 5 H2O + 2 Cu2O = H2CO + 4 Cu(OH)2
HF + O2 = HFO2 =>
HF + O2 = HFO2
CH3OOH + Ba(OH)2 = Ba(CH3COO)2 + H2O =>
4 CH3OOH + Ba(OH)2 = Ba(CH3COO)2 + 6 H2O
Na2B4O12H10 = Na2O + B2O3 + H2O =>
Na2B4O12H10 = Na2O + 2 B2O3 + 5 H2O
Cl3Fe + HNaO = Cl3Na + HFeO =>
Cl3Fe + HNaO = Cl3Na + HFeO
Hg + HNO3(konc) = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3(konc) = 3 Hg(NO3)2 + 2 NO + 4 H2O
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
HF + O2 = HFO2 =>
HF + O2 = HFO2
CUSO4 + SN = SN(SO4)2 + CU =>
2 CUSO4 + SN = SN(SO4)2 + 2 CU
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ti2O3 + SO3 = Ti2(SO4)3 =>
Ti2O3 + 3 SO3 = Ti2(SO4)3
C2H5OH + O2 = CO3 + H2O =>
C2H5OH + 4 O2 = 2 CO3 + 3 H2O
PbS + KNO3 = Pb(NO3)2 + K2S =>
PbS + 2 KNO3 = Pb(NO3)2 + K2S
Zr(NO3)2*5H2O + NaOH = Zr(OH)2 + NaNO3 + H2O =>
Zr(NO3)2*5H2O + 2 NaOH = Zr(OH)2 + 2 NaNO3 + 5 H2O
Fe + K2Cr2O7 + HCl = FeCl2 + KCl + CrCl3 + H2O =>
3 Fe + K2Cr2O7 + 14 HCl = 3 FeCl2 + 2 KCl + 2 CrCl3 + 7 H2O
C2H4Cl2 + O2 = CO2 + H2O + HCl =>
2 C2H4Cl2 + 5 O2 = 4 CO2 + 2 H2O + 4 HCl
SO2Cl2 + HBr = H2S + HCl + Br2 + H2O =>
SO2Cl2 + 8 HBr = H2S + 2 HCl + 4 Br2 + 2 H2O
Tl2SO4 + KI = TlI + K2SO4 =>
Tl2SO4 + 2 KI = 2 TlI + K2SO4
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
NH3 + Cl = NCl3 + HCl =>
NH3 + 6 Cl = NCl3 + 3 HCl
CH3COOHCl = CH3ClCOOH =>
CH3COOHCl = CH3ClCOOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CaCO3 + La2O3 + Cr2O3 + ReO2 = CaLaCrReO6 + CO2 =>
2 CaCO3 + La2O3 + Cr2O3 + 2 ReO2 = 2 CaLaCrReO6 + 2 CO2
HF + O2 = HFO2 =>
HF + O2 = HFO2
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
Ca3(PO4)2 + Si2O + C = P + Ca4Si2O4 + CO =>
4 Ca3(PO4)2 + 3 Si2O + 23 C = 8 P + 3 Ca4Si2O4 + 23 CO
KMnO4 + NH3 = H2O + N2 + KOH + MnO2 =>
2 KMnO4 + 2 NH3 = 2 H2O + N2 + 2 KOH + 2 MnO2
Pb + Sb2O3 = Pb2O4 + Sb =>
6 Pb + 4 Sb2O3 = 3 Pb2O4 + 8 Sb
Mg3N2 + water = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
CuSO4(aq) + KI(aq) = KSO4(aq) + CuI(s) =>
CuSO4(aq) + KI(aq) = KSO4(aq) + CuI(s)
MgCl2 + HgNO3 = Mg(NO3)2 + HgCl =>
MgCl2 + 2 HgNO3 = Mg(NO3)2 + 2 HgCl
BaSO3 + CuSO2 = CuSO3 + BaSO2 =>
BaSO3 + CuSO2 = CuSO3 + BaSO2
Br2 + AlCl3 = Al + ClBr =>
3 Br2 + 2 AlCl3 = 2 Al + 6 ClBr
K3[Fe(CN)6] + H2O2 = K4[Fe(CN)6] + K2H2[Fe(CN)6] + O2 =>
2 K3[Fe(CN)6] + H2O2 = K4[Fe(CN)6] + K2H2[Fe(CN)6] + O2
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
Al(s) + H3Po4(aq) = AlPo4(s) + H2(g) =>
2 Al(s) + 2 H3Po4(aq) = 2 AlPo4(s) + 3 H2(g)
Fe2S3 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
Fe2S3 + 12 H2SO4 = Fe2(SO4)3 + 12 H2O + 12 SO2
Cu + NaNO3 + HCl + H2O = Cu(NO3)2*3H2O + NO2 + NaCl =>
Cu + 4 NaNO3 + 4 HCl + H2O = Cu(NO3)2*3H2O + 2 NO2 + 4 NaCl
Mg(NO3)2 + Na2HPO4 = NaNO3 + MgHPO4 =>
Mg(NO3)2 + Na2HPO4 = 2 NaNO3 + MgHPO4
ZnCl2 + HCl = ZnClHCl2 =>
ZnCl2 + HCl = ZnClHCl2
KOH + H3O4P = K3PO4 + H2O =>
3 KOH + H3O4P = K3PO4 + 3 H2O
Mg(HCO3)2 = MgCO3 + CO2 + H2O =>
Mg(HCO3)2 = MgCO3 + CO2 + H2O
NiCl2 + Li2S = LiCl + NiS =>
NiCl2 + Li2S = 2 LiCl + NiS
HOCl + NaClO2 = ClO2 + NaCl + NaOH =>
HOCl + 2 NaClO2 = 2 ClO2 + NaCl + NaOH
NH4OH + Ca3(PO4)2 = (NH4)3PO4 + Ca(OH)2 =>
6 NH4OH + Ca3(PO4)2 = 2(NH4)3PO4 + 3 Ca(OH)2
Cu + NaNO3 + HCl + H2O = Cu(NO3)2*3H2O + NO2 + NaCl =>
Cu + 4 NaNO3 + 4 HCl + H2O = Cu(NO3)2*3H2O + 2 NO2 + 4 NaCl
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