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3 MgCO3 + 2 H3PO4 = Mg3(PO4)2 + 3 H2(CO3)
Y + HNO3 = HYO3 + NO2 + H2O =>
Y + 5 HNO3 = HYO3 + 5 NO2 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ni{2+} + NH3 = Ni(NH3)6{2+} =>
Ni{2+} + 6 NH3 = Ni(NH3)6{2+}
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
As2S3 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S3 + 28 HNO3 = 2 H3AsO4 + 3 H2SO4 + 28 NO2 + 8 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Zn3Sb2 + H2O = Zn(OH)2 + SbH3 =>
Zn3Sb2 + 6 H2O = 3 Zn(OH)2 + 2 SbH3
H3PO4(aq) + HCl(aq) = PCl5(s) + H2O = =>
H3PO4(aq) + 5 HCl(aq) = PCl5(s) + 4 H2O
HCl + Al = AlCl3 + H3 =>
3 HCl + Al = AlCl3 + H3
HCl + NaOH + H2O = NaClO4 + H2 =>
HCl + NaOH + 3 H2O = NaClO4 + 4 H2
(NH4)(NO3) + NaOH = NH3 + H2O + NaNO3 =>
(NH4)(NO3) + NaOH = NH3 + H2O + NaNO3
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
NaCrO2 + Cl2 + NaOH = NaCl + NaCrO4 + H2O =>
NaCrO2 + 2 Cl2 + 4 NaOH = 4 NaCl + NaCrO4 + 2 H2O
MgO + HClO3 = MgO(HClO3)2 =>
MgO + 2 HClO3 = MgO(HClO3)2
C6H5(CHOH)CH(NHCH3)CH3 + HI = C6H5CH2CH(NHCH3)CH3 + I + H2O =>
C6H5(CHOH)CH(NHCH3)CH3 + 2 HI = C6H5CH2CH(NHCH3)CH3 + 2 I + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Xe + Fe2 = XeFe2 =>
Xe + Fe2 = XeFe2
Au + CsGaO2 + NH3 = Au(NO3)3 + Ga + CsOH =>
Au + 9 CsGaO2 + 3 NH3 = Au(NO3)3 + 9 Ga + 9 CsOH
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Ca + Cu2O = CaO + Cu2 =>
Ca + Cu2O = CaO + Cu2
Ti(OH)3 = TiO2 + H2O + H2 =>
2 Ti(OH)3 = 2 TiO2 + 2 H2O + H2
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C6H2(NO2)3COOH + C2H5OH = C6H2(NO2)3COOCH2CH3 + H2O =>
C6H2(NO2)3COOH + C2H5OH = C6H2(NO2)3COOCH2CH3 + H2O
Y(NO3)2GaPO4 = YPO4Ga(NO3)2 =>
Y(NO3)2GaPO4 = YPO4Ga(NO3)2
KBrO4 + Na2HAsO3 + HCl = KBr + H3AsO4 + NaCl =>
KBrO4 + 4 Na2HAsO3 + 8 HCl = KBr + 4 H3AsO4 + 8 NaCl
CH3NO2 + H2O2 = CO2 + H2O + N2 =>
2 CH3NO2 + 3 H2O2 = 2 CO2 + 6 H2O + N2
Zn(ii)S + O = Zn(ii)O + SO2 =>
Zn(ii)S + 3 O = Zn(ii)O + SO2
PbCl2 + HCl + Cl2 = PbCl6*H2 =>
PbCl2 + 2 HCl + Cl2 = PbCl6*H2
H2NCH2COOH + Mg = (H2NCH2COO)2Mg + H2 =>
2 H2NCH2COOH + Mg = (H2NCH2COO)2Mg + H2
CuCl2 + Al2(SO4)3 = Cu2(SO4)2 + AlCl3 =>
6 CuCl2 + 2 Al2(SO4)3 = 3 Cu2(SO4)2 + 4 AlCl3
Cu + PbNo3 = Cu(No3)2 + Pb =>
Cu + 2 PbNo3 = Cu(No3)2 + 2 Pb
Ag2CrO4 + NH4OH = Ag(NH3)2 + H2O + CrO4 =>
Ag2CrO4 + 4 NH4OH = 2 Ag(NH3)2 + 4 H2O + CrO4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaOH + HBrO3 = H2O + NaBrO3 =>
NaOH + HBrO3 = H2O + NaBrO3
Cu(Cl)2 + Al = Cu + AlCl3 =>
3 Cu(Cl)2 + 2 Al = 3 Cu + 2 AlCl3
CuBr2 + NaI + H2O = NaBr + Cu(OH)2 + HI =>
CuBr2 + 2 NaI + 2 H2O = 2 NaBr + Cu(OH)2 + 2 HI
NaHCO3 = H2 + O2 + CO2 + Na2CO3 =>
4 NaHCO3 = 2 H2 + O2 + 2 CO2 + 2 Na2CO3
Al + Cu{2+} = Cu + Al{+3} =>
2 Al + 3 Cu{2+} = 3 Cu + 2 Al{+3}
Hg2(NO3) + NH3 = HgNH2 + Hg + HNO3 =>
Hg2(NO3) + NH3 = HgNH2 + Hg + HNO3
Fe(SCN)2 + H2O = Fe(SCN)2*H2O =>
Fe(SCN)2 + H2O = Fe(SCN)2*H2O
Ca(HCO3)2(aq) + Li2CO3(aq) = LiHCO3(aq) + CaCO3(s) =>
Ca(HCO3)2(aq) + Li2CO3(aq) = 2 LiHCO3(aq) + CaCO3(s)
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NO3K = NO2K + O2 =>
2 NO3K = 2 NO2K + O2
NaCH3CH2SO4*01Na2CO3 + CaCl2 = Ca(CH3CH2SO4)2 + CaCO3 + NaCl =>
2 NaCH3CH2SO4*01Na2CO3 + 3 CaCl2 = Ca(CH3CH2SO4)2 + 2 CaCO3 + 6 NaCl
Sn + FeCl3 = SnCl4 + Fe =>
3 Sn + 4 FeCl3 = 3 SnCl4 + 4 Fe
SO2 + Ca(OH)2 + O2 = CaSO4*H2O =>
2 SO2 + 2 Ca(OH)2 + O2 = 2 CaSO4*H2O
HCIO4(aq) + Ba(OH)2(aq) = Ba(CIO4)2(aq) + H2O(l) =>
2 HCIO4(aq) + Ba(OH)2(aq) = Ba(CIO4)2(aq) + 2 H2O(l)
Cu(NH3)4Cl2 + KCN + H2O = NH3 + NH4Cl + K2Cu(CN)3 + KCNO + KCl =>
2 Cu(NH3)4Cl2 + 7 KCN + H2O = 6 NH3 + 2 NH4Cl + 2 K2Cu(CN)3 + KCNO + 2 KCl
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