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Fe2(SO4)3 + Fe = 3 FeSO4
(OH)2 = H2O2 =>
(OH)2 = H2O2
C2H5COOH + NaOH = C2H5OH + NaCOOH =>
C2H5COOH + NaOH = C2H5OH + NaCOOH
HNO3 + SO4 = H2SO4 + NO3 =>
2 HNO3 + SO4 = H2SO4 + 2 NO3
CdO + Se = CdSe + O2 =>
2 CdO + 2 Se = 2 CdSe + O2
Ba + K2(CO3) = K2 + Ba(CO3) =>
Ba + K2(CO3) = K2 + Ba(CO3)
N2 + Me = Me3N2 =>
N2 + 3 Me = Me3N2
Na2(CO3) + H2O + CO2 = NaHCO3 =>
Na2(CO3) + H2O + CO2 = 2 NaHCO3
Fe3O4 + C2 = CO2 + Fe =>
Fe3O4 + C2 = 2 CO2 + 3 Fe
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH3COOH + O2(g) = CO2(g) + H2O =>
CH3COOH + 2 O2(g) = 2 CO2(g) + 2 H2O
PbCl2 + AgI = PbI2 + AgCl =>
PbCl2 + 2 AgI = PbI2 + 2 AgCl
K2C2O4 + Cu(NO3)2 = K2(NO3)2 + CuC2O4 =>
K2C2O4 + Cu(NO3)2 = K2(NO3)2 + CuC2O4
NH4Cl(aq) + Ba(OH)2(aq) = BaCl2(aq) + NH3(aq) + H2O(l) =>
2 NH4Cl(aq) + Ba(OH)2(aq) = BaCl2(aq) + 2 NH3(aq) + 2 H2O(l)
CdSO4(aq) + K2S(aq) = CdS(s) + K2SO4(aq) =>
CdSO4(aq) + K2S(aq) = CdS(s) + K2SO4(aq)
Ag2SO4(aq) + AlCl3(aq) = AgCl + Al2(SO4)3 =>
3 Ag2SO4(aq) + 2 AlCl3(aq) = 6 AgCl + Al2(SO4)3
CaC2O4 + NaOH = Ca(OH)2 + Na2C2O4 =>
CaC2O4 + 2 NaOH = Ca(OH)2 + Na2C2O4
N2 + K2 = NK3 =>
N2 + 3 K2 = 2 NK3
Ni(HCO3)3 = Ni2O3 + CO2 + H2O =>
2 Ni(HCO3)3 = Ni2O3 + 6 CO2 + 3 H2O
HCOOH + C2H5OH = HCOOHC2H5 + H2O =>
6 HCOOH + 9 C2H5OH = 8 HCOOHC2H5 + 5 H2O
Co(NO3)2 + NH4Cl = CoCl2 + NH4NO3 =>
Co(NO3)2 + 2 NH4Cl = CoCl2 + 2 NH4NO3
K2Cr2O7 + As2S3 + H2SO4 = H3AsO4 + S + K2SO4 + Cr2(SO4)3 =>
4 K2Cr2O7 + 9 As2S3 + 27 H2SO4 = 18 H3AsO4 + 38 S + 4 K2SO4 + 4 Cr2(SO4)3
HC6H7O7 + NaHCO3 = Na2C6H6O7 + CO2 + H2O =>
HC6H7O7 + 2 NaHCO3 = Na2C6H6O7 + 2 CO2 + 2 H2O
CaCO3 + H2SO4 = Ca(HCO3)2 + Ca(HSO4)2 =>
2 CaCO3 + 2 H2SO4 = Ca(HCO3)2 + Ca(HSO4)2
NaHSO4 + Ba(NO3)2 = Ba(HSO4)2 + NaNO3 =>
2 NaHSO4 + Ba(NO3)2 = Ba(HSO4)2 + 2 NaNO3
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H{3}BO{3} = H{4}B{6}O{11} + H{2}O =>
2 H{3}BO{3} = H{4}B{6}O{11} + H{2}O
C2H4O + KMnO4 + KOH = C2H3O2K + K2MnO4 + H2O =>
C2H4O + 2 KMnO4 + 3 KOH = C2H3O2K + 2 K2MnO4 + 2 H2O
Ni(NO3)2(aq) + Na2CO3(aq) = NiCO3(s) + Na2(NO3)2(s) =>
Ni(NO3)2(aq) + Na2CO3(aq) = NiCO3(s) + Na2(NO3)2(s)
Ba + N2 = (Ba3N2) =>
3 Ba + N2 = (Ba3N2)
CuH2SO4 = CuSO4 + H2 =>
CuH2SO4 = CuSO4 + H2
BeI2 + Cu2SO4 = BeSO4 + ICu =>
BeI2 + Cu2SO4 = BeSO4 + 2 ICu
NH3 + H2O = NH4 + OH =>
NH3 + H2O = NH4 + OH
MnSO4 + CoCl2 = MnCl2 + CoSO4 =>
MnSO4 + CoCl2 = MnCl2 + CoSO4
MgCl2 + Zn(NO3)2 = ZnCl2 + Mg(NO3)2 =>
MgCl2 + Zn(NO3)2 = ZnCl2 + Mg(NO3)2
Na + CH3CO2 = NaCH3CO2 =>
Na + CH3CO2 = NaCH3CO2
LiF + H2O = LiOH + FH =>
LiF + H2O = LiOH + FH
Na2SO3 + H3PO3 = S + NaH2PO4 + H2O =>
Na2SO3 + 2 H3PO3 = S + 2 NaH2PO4 + H2O
Au + HI = AuI + H2 =>
2 Au + 2 HI = 2 AuI + H2
Mg + LiF = MgF2 + Li =>
Mg + 2 LiF = MgF2 + 2 Li
Ca10(PO4)6(OH)2 + H2SO4 = Ca(H2PO4)2 + CaSO4 + H2O =>
Ca10(PO4)6(OH)2 + 7 H2SO4 = 3 Ca(H2PO4)2 + 7 CaSO4 + 2 H2O
HCl + K2CrO4 = KCl + H2CrO4 =>
2 HCl + K2CrO4 = 2 KCl + H2CrO4
CrO + H2O = H2CrO2 =>
CrO + H2O = H2CrO2
NaBiO3 + H2SO4 = Na2SO4 + Bi2(SO4)3 + H2O + O2 =>
2 NaBiO3 + 4 H2SO4 = Na2SO4 + Bi2(SO4)3 + 4 H2O + O2
MgCl2 + NaHCO3 = Mg(HCO3)2 + NaCl =>
MgCl2 + 2 NaHCO3 = Mg(HCO3)2 + 2 NaCl
HI(aq) + K2SO3(aq) = KI(aq) + H2SO3(aq) =>
2 HI(aq) + K2SO3(aq) = 2 KI(aq) + H2SO3(aq)
CH3CH2OH2 + O2 = H2O + CH3COOH =>
4 CH3CH2OH2 + 5 O2 = 6 H2O + 4 CH3COOH
Zu + HNO3 = ZuNO3 + H2 =>
2 Zu + 2 HNO3 = 2 ZuNO3 + H2
C10H22 + O2 = CO2 + H2O(l) =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O(l)
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