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Si + 2 PbO2 = SiO2 + 2 PbO
Ni(OH)2 + Na2S = NiS + Na(OH) =>
Ni(OH)2 + Na2S = NiS + 2 Na(OH)
Co(HSO4)2 + Co(OH)2 = CoSO4 + H2O =>
Co(HSO4)2 + Co(OH)2 = 2 CoSO4 + 2 H2O
Cu + HNO3 = Cu1NO3 + H2O + NO2 =>
Cu + 2 HNO3 = Cu1NO3 + H2O + NO2
KClO3 + Na2SO3 + H2SO4 = Na2SO4 + K2SO4 + Cl2 + H2O =>
2 KClO3 + 5 Na2SO3 + H2SO4 = 5 Na2SO4 + K2SO4 + Cl2 + H2O
CH3CHCH2 + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CHCH2 + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3CH2COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O
H3PO4 + Bi(OH)2 = Bi3(PO4)2 + H2O =>
2 H3PO4 + 3 Bi(OH)2 = Bi3(PO4)2 + 6 H2O
C3H8(l) + O2(g) = CO2(g) + H2O(l) =>
C3H8(l) + 5 O2(g) = 3 CO2(g) + 4 H2O(l)
Al + CuCe2 = AlCe3 + Cu =>
2 Al + 3 CuCe2 = 2 AlCe3 + 3 Cu
MoS4{2-} + H2SO4 = MoS3 + SO4{2-} + H2S =>
MoS4{2-} + H2SO4 = MoS3 + SO4{2-} + H2S
Si + Cu2O = SiO + Cu =>
Si + Cu2O = SiO + 2 Cu
C8H18 + Br = C8H9Br9 + HBr =>
C8H18 + 18 Br = C8H9Br9 + 9 HBr
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
LiNO2 + H2O = LiOH + HNO2 =>
LiNO2 + H2O = LiOH + HNO2
Zn + HCI = H2 + ZnCI =>
2 Zn + 2 HCI = H2 + 2 ZnCI
H30 + Ca(NO3)2 + (NH4)2HPO4 + NH3 = Ca10(PO4)6(OH)2 + NH4NO3 =>
8 H30 + 450 Ca(NO3)2 + 270(NH4)2HPO4 + 300 NH3 = 45 Ca10(PO4)6(OH)2 + 870 NH4NO3
CaCl2 + (NH4)2C2O4 = CaC2O4 + NH4Cl =>
CaCl2 + (NH4)2C2O4 = CaC2O4 + 2 NH4Cl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaOH + KNO3 = NaNO3 + KOH =>
NaOH + KNO3 = NaNO3 + KOH
Hg2(NO3)2 + KI = Hg2I + K(NO3)2 =>
Hg2(NO3)2 + KI = Hg2I + K(NO3)2
MgCl2 + Na2SO4 = MgSO4 + NaCl =>
MgCl2 + Na2SO4 = MgSO4 + 2 NaCl
MnSO4 + (NH4)2S2O8 + H2SO4 = HMnO4 + (NH4)2SO4 + SO2 =>
2 MnSO4 + (NH4)2S2O8 + H2SO4 = 2 HMnO4 + (NH4)2SO4 + 4 SO2
P2O3(s) + H2O(l) = H3PO3 =>
P2O3(s) + 3 H2O(l) = 2 H3PO3
I3{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{-} =>
3 I3{-} + 2 HSO3{-} + 2 H2O = 9 I{-} + 6 H{+} + 2 SO4{-}
C7H5N3O6 + C4H6N4O12 = CO2 + N2 + H2O =>
2 C7H5N3O6 + 21 C4H6N4O12 = 98 CO2 + 45 N2 + 68 H2O
Ag2S(s) + Fe(s) = FeS(s) + Ag(s) =>
Ag2S(s) + Fe(s) = FeS(s) + 2 Ag(s)
Na2O2(s) + H2O(l) + CO2(g) = NaHCO3(s) + O2(g) =>
2 Na2O2(s) + 2 H2O(l) + 4 CO2(g) = 4 NaHCO3(s) + O2(g)
H2Te + Pb(OH)4 = Pb2Te4 + H2O =>
4 H2Te + 2 Pb(OH)4 = Pb2Te4 + 8 H2O
AgC2H3O2(aq) + MgCl2(aq) = AgCl(s) + Mg(C2H3O2)2(aq) =>
2 AgC2H3O2(aq) + MgCl2(aq) = 2 AgCl(s) + Mg(C2H3O2)2(aq)
C8H16 + O2 = CO2 + H2O =>
C8H16 + 12 O2 = 8 CO2 + 8 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
KBrO3 + Cr(OH)3 + KOH = K2CrO4 + KBr + H2O =>
KBrO3 + 2 Cr(OH)3 + 4 KOH = 2 K2CrO4 + KBr + 5 H2O
C2H5OH + K2Cr2O7 + H2SO4 = C2H4O + Cr2SO4 + K2SO4 + H2O =>
5 C2H5OH + K2Cr2O7 + 2 H2SO4 = 5 C2H4O + Cr2SO4 + K2SO4 + 7 H2O
FeSO4 + HCl + BaCl2 = BaSO4 + FeCl3 + H2 =>
2 FeSO4 + 2 HCl + 2 BaCl2 = 2 BaSO4 + 2 FeCl3 + H2
Na2S + CuSO4 = Na2(SO4) + CuS =>
Na2S + CuSO4 = Na2(SO4) + CuS
F + Cr = FCr =>
F + Cr = FCr
VO2{+} + Zn + H{+} = V{2+} + Zn{2+} + H2O =>
2 VO2{+} + 3 Zn + 8 H{+} = 2 V{2+} + 3 Zn{2+} + 4 H2O
FeCl3 + H2SO4 + Na2S = Na2SO4 + FeCl2 + HCl + S =>
2 FeCl3 + H2SO4 + Na2S = Na2SO4 + 2 FeCl2 + 2 HCl + S
PCl5 = P + Cl3 =>
3 PCl5 = 3 P + 5 Cl3
NaNO3 + FeSO + H2SO4 = Na2SO4 + Fe(SO4)3 + H2O + NO =>
10 NaNO3 + 3 FeSO + 11 H2SO4 = 5 Na2SO4 + 3 Fe(SO4)3 + 11 H2O + 10 NO
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
HCl + H2S + KNO3 = NO2 + S + KCl + H2O =>
2 HCl + H2S + 2 KNO3 = 2 NO2 + S + 2 KCl + 2 H2O
KOH + KClO3 + P2O3 = K3PO4 + Cl2 + H2O =>
26 KOH + 4 KClO3 + 5 P2O3 = 10 K3PO4 + 2 Cl2 + 13 H2O
FeCl3 + Fe = FeCl2 =>
2 FeCl3 + Fe = 3 FeCl2
BaCl2 + AgBr = BaBr2 + AgCl =>
BaCl2 + 2 AgBr = BaBr2 + 2 AgCl
Cu{2+} + NH3 = Cu(NH3)4{2+} =>
Cu{2+} + 4 NH3 = Cu(NH3)4{2+}
Sn(OH) + HBr = H2O + SnBr =>
Sn(OH) + HBr = H2O + SnBr
Rb + O2 = RbO2 =>
Rb + O2 = RbO2
H3N{-}CH2COO + OH = H2N{-}CH2COO + H2O =>
H3N{-}CH2COO + OH = H2N{-}CH2COO + H2O
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