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Pb2S2 + 4 O = 2 Pb + 2 SO2
AgNO3 + NaOH + Na2SO3 = Ag + Na2SO4 + NaNO3 + H2O =>
2 AgNO3 + 2 NaOH + Na2SO3 = 2 Ag + Na2SO4 + 2 NaNO3 + H2O
CaH2C2O6 = CaCO3 + H2O + CO2 =>
CaH2C2O6 = CaCO3 + H2O + CO2
(NH4)2Fe(SO4)2 + Na2CO3 + H2O = Fe(OH)2 + Na2SO4 + (NH4)2SO4 + CO2 =>
(NH4)2Fe(SO4)2 + Na2CO3 + H2O = Fe(OH)2 + Na2SO4 + (NH4)2SO4 + CO2
Al2O3 + SIO2 = Al2SIO5 =>
Al2O3 + SIO2 = Al2SIO5
C7H8 + Cl2 + NaCN = C8H7N + HCN + NaCl =>
C7H8 + Cl2 + 2 NaCN = C8H7N + HCN + 2 NaCl
CO2 + H2O = C + OH =>
CO2 + 2 H2O = C + 4 OH
K = K2 =>
2 K = K2
Cr(C2H3O2)3 + Na3PO4 = CrPO4 + Na3(C2H3O2)3 =>
Cr(C2H3O2)3 + Na3PO4 = CrPO4 + Na3(C2H3O2)3
V2(CrO4)5 + Os(OH)8 = V(OH)5 + Os(CrO4)4 =>
4 V2(CrO4)5 + 5 Os(OH)8 = 8 V(OH)5 + 5 Os(CrO4)4
Cr + AgNo3 = Ag + Cr(No3)3 =>
Cr + 3 AgNo3 = 3 Ag + Cr(No3)3
K[Al(OH)4] = KOH + Al(OH)3 =>
K[Al(OH)4] = KOH + Al(OH)3
CH3CH2CH2COOCH3 + NaOH = CH3CH2CH2COONa + CH3OH =>
CH3CH2CH2COOCH3 + NaOH = CH3CH2CH2COONa + CH3OH
SnCl2 + Fe(NO3)3 = Sn(NO3)3 + FeCl2 =>
SnCl2 + Fe(NO3)3 = Sn(NO3)3 + FeCl2
FeO + HNO3 = FeO(NO3)3 + NO + H2O =>
FeO + 4 HNO3 = FeO(NO3)3 + NO + 2 H2O
BrF4 = Br2 + F2 =>
2 BrF4 = Br2 + 4 F2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CuS + O = CuO + SO =>
CuS + 2 O = CuO + SO
SrCl2 + Na2(CO3) = Sr(CO3) + NaCl =>
SrCl2 + Na2(CO3) = Sr(CO3) + 2 NaCl
C2H4O = C4H6O + H2O =>
2 C2H4O = C4H6O + H2O
N + HCl = NCl + H2 =>
2 N + 2 HCl = 2 NCl + H2
P + Mg = Mg5P2 =>
2 P + 5 Mg = Mg5P2
MnO4 + HBr = MnBr2 + Br2 + H2O =>
MnO4 + 8 HBr = MnBr2 + 3 Br2 + 4 H2O
C3H6 + H2 = C3H8 =>
C3H6 + H2 = C3H8
CH3CH2NO2 + H2 = CH3CH2NH2 + H2O =>
CH3CH2NO2 + 3 H2 = CH3CH2NH2 + 2 H2O
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
FeH3 + NaOH = Fe(OH)3 + NaH =>
FeH3 + 3 NaOH = Fe(OH)3 + 3 NaH
CI2 + O2 = CI2O5 =>
2 CI2 + 5 O2 = 2 CI2O5
HCIO3 + P + H2O = H3PO4 + HCI =>
5 HCIO3 + 6 P + 9 H2O = 6 H3PO4 + 5 HCI
B + HCl = BCl3 + H2 =>
2 B + 6 HCl = 2 BCl3 + 3 H2
PbO2 + Cr = Pb + Cr2O7 =>
7 PbO2 + 4 Cr = 7 Pb + 2 Cr2O7
AgNO2 + H2SO4 = Ag2SO4 + HNO2 =>
2 AgNO2 + H2SO4 = Ag2SO4 + 2 HNO2
H2PHO3 + Zn + HCl = PH3 + ZnCl2 + H2O =>
H2PHO3 + 3 Zn + 6 HCl = PH3 + 3 ZnCl2 + 3 H2O
KMnO4 + H2SO4 + CH3CHOHCH2CH2CHO = K2SO4 + MnSO4 + CH3COOHC2CH2COOH + H2O =>
82 KMnO4 + 123 H2SO4 + 60 CH3CHOHCH2CH2CHO = 41 K2SO4 + 82 MnSO4 + 50 CH3COOHC2CH2COOH + 248 H2O
Al2(SO4)3 + Cu(NO3)2 = CuSO4 + Al(NO3)3 =>
Al2(SO4)3 + 3 Cu(NO3)2 = 3 CuSO4 + 2 Al(NO3)3
KHSO4 + H2O = H3O{+} + KSO4{-} =>
KHSO4 + H2O = H3O{+} + KSO4{-}
KI(s) = K(s) + I2(s) =>
2 KI(s) = 2 K(s) + I2(s)
H3PO4 + HNO3 = H2PO4 + H2NO3 =>
H3PO4 + HNO3 = H2PO4 + H2NO3
NaHSO4 + Pb(NO3)2 = NaNO3 + PbSO4 + HNO3 =>
NaHSO4 + Pb(NO3)2 = NaNO3 + PbSO4 + HNO3
HNO3N2O + HNO3 = NNO3 + H2O =>
HNO3N2O + HNO3 = 2 NNO3 + H2O
Ai + P = Ai3P3 =>
3 Ai + 3 P = Ai3P3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
ZnSO4 + NaOH = Na2SO4 + Zn(OH)2 =>
ZnSO4 + 2 NaOH = Na2SO4 + Zn(OH)2
C5H12 + Cl2 = C5H10Cl2 + HCl =>
C5H12 + 2 Cl2 = C5H10Cl2 + 2 HCl
MgCl2 + H3PO4 = MgHPO4 + HCl =>
MgCl2 + H3PO4 = MgHPO4 + 2 HCl
Ne + Cl = NeCl =>
Ne + Cl = NeCl
P2O5 + BaO = Ba3(PO4)2 =>
P2O5 + 3 BaO = Ba3(PO4)2
FeCl2 + SnCl4 = FeCl3 + SnCl2 =>
2 FeCl2 + SnCl4 = 2 FeCl3 + SnCl2
C15H31COO{-} + H2O + H{+} = CH4 + CO2 =>
2 C15H31COO{-} + 14 H2O + 2 H{+} = 23 CH4 + 9 CO2
C15H31COONa + H2O = C15H31COOH + NaOH =>
C15H31COONa + H2O = C15H31COOH + NaOH
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