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2 Eu + Cl2 = 2 EuCl
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
Al + AuSO4 = Al2(SO4)3 + Au =>
2 Al + 3 AuSO4 = Al2(SO4)3 + 3 Au
C2H5NH2 + CO2 + H2O = (C2H5NH2)2CO3 + H2 =>
2 C2H5NH2 + CO2 + H2O = (C2H5NH2)2CO3 + H2
K2S + Ni(NO2)2 = NiS + KNO2 =>
K2S + Ni(NO2)2 = NiS + 2 KNO2
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
CH3CH2COOH + Br2 = CH3CH(Br)COOH + HBr =>
CH3CH2COOH + Br2 = CH3CH(Br)COOH + HBr
Pb(NO3)2(aq) + K(aq) = Pb2(s) + KNO3(aq) =>
2 Pb(NO3)2(aq) + 4 K(aq) = Pb2(s) + 4 KNO3(aq)
Al(HO)3 = Al2O3 + H2O =>
2 Al(HO)3 = Al2O3 + 3 H2O
KIO3 + KI + H2SO4 = K2SO4 + H2O + I =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 6 I
Pb3O4 + MnO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
3 Pb3O4 + 2 MnO2 + 18 HNO3 = 2 HMnO4 + 9 Pb(NO3)2 + 8 H2O
Fe3O4 = Fe + O2 =>
Fe3O4 = 3 Fe + 2 O2
H2 + CO = H2O + (CH2)H2 =>
3 H2 + CO = H2O + (CH2)H2
Na2CO3 + KI = K2CO3 + NaI =>
Na2CO3 + 2 KI = K2CO3 + 2 NaI
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
C(g) + H2O(l) = CH2O(g) =>
C(g) + H2O(l) = CH2O(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Zn(OH)2 + Ca(OH)2 = CaZnO2 + H2O =>
Zn(OH)2 + Ca(OH)2 = CaZnO2 + 2 H2O
MgNO3(aq) + NaOH(aq) = MgOH(s) + NaNO3(aq) =>
MgNO3(aq) + NaOH(aq) = MgOH(s) + NaNO3(aq)
BrO3 + Na = Na4BrO3 =>
BrO3 + 4 Na = Na4BrO3
HClO4 + CaCO3 = CO2 + Ca(ClO4)2 + H2O =>
2 HClO4 + CaCO3 = CO2 + Ca(ClO4)2 + H2O
C5H10O3 + NH3 = CO(NH2)2 + C3H8O + H2O =>
3 C5H10O3 + 6 NH3 = 3 CO(NH2)2 + 4 C3H8O + 2 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
(NH4)2Cr2O7 + Al(OH)3 = Al2(Cr2O7)3 + NH3 + H2O =>
3(NH4)2Cr2O7 + 2 Al(OH)3 = Al2(Cr2O7)3 + 6 NH3 + 6 H2O
NaCl + SrNO3 = SrCl + NaNO3 =>
NaCl + SrNO3 = SrCl + NaNO3
I2O2 + BrF3 = IF5 + O2 + BrF2 =>
I2O2 + 10 BrF3 = 2 IF5 + O2 + 10 BrF2
H2SO4 + Pb(CH3COO)2 = PbSO4 + HC2H3O2 =>
H2SO4 + Pb(CH3COO)2 = PbSO4 + 2 HC2H3O2
Ag(s) + HNO3(aq) = NO2(g) + AgNO3(aq) + H2O(l) =>
Ag(s) + 2 HNO3(aq) = NO2(g) + AgNO3(aq) + H2O(l)
S + OH{-} = S{-2} + S2O3{-3} + H2O =>
7 S + 12 OH{-} = 3 S{-2} + 2 S2O3{-3} + 6 H2O
(CH3)NNH2 + N2O4 = H2O + N2 + CO2 =>
8(CH3)NNH2 + 9 N2O4 = 20 H2O + 17 N2 + 8 CO2
MgSO4*7H2O + (NH4)2C2O4*H2O = MgC2O4*H2O + (NH4)2SO4 + H2O =>
MgSO4*7H2O + (NH4)2C2O4*H2O = MgC2O4*H2O + (NH4)2SO4 + 7 H2O
KNO3 + C(s) = CO(g) + N(g) + K2CO3(s) =>
2 KNO3 + 4 C(s) = 3 CO(g) + 2 N(g) + K2CO3(s)
Ba(OH)2*8H2O + NH4Cl = BaCl2 + H2O + NH3 =>
Ba(OH)2*8H2O + 2 NH4Cl = BaCl2 + 10 H2O + 2 NH3
KMnO4 + HNO2 + H2SO4 = K2SO4 + MnSO4 + H2O + HNO3 =>
2 KMnO4 + 5 HNO2 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 5 HNO3
KU2 + KMnO4 + H2SO4 = U2 + MnSO4 + K2SO4 + H2O =>
5 KU2 + KMnO4 + 4 H2SO4 = 5 U2 + MnSO4 + 3 K2SO4 + 4 H2O
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
Cu + K4Fe(CN)6 = Cu2Fe(CN)6 + K =>
2 Cu + K4Fe(CN)6 = Cu2Fe(CN)6 + 4 K
Ba + Mg = Ba2Mg2 =>
2 Ba + 2 Mg = Ba2Mg2
U3O8 + HNO3 = UO2(NO3)2 + NO2 + H2O =>
U3O8 + 8 HNO3 = 3 UO2(NO3)2 + 2 NO2 + 4 H2O
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
LiOH + BaCl2 = LiCl + Ba(OH)2 =>
2 LiOH + BaCl2 = 2 LiCl + Ba(OH)2
NH4HCO3 + H + SO4 = (NH4)2SO4 + CO2 + H2O =>
2 NH4HCO3 + 2 H + SO4 = (NH4)2SO4 + 2 CO2 + 2 H2O
B2H6 + KMnO4 = B2H3O + KMn + H2O =>
8 B2H6 + 5 KMnO4 = 8 B2H3O + 5 KMn + 12 H2O
As2S3 + O2 = As2O3 + S0 =>
2 As2S3 + 3 O2 = 2 As2O3 + 6 S0
UO2(NO3)2 + K4[Fe(CN)6] = (UO2)2[Fe(CN)6] + KNO3 =>
2 UO2(NO3)2 + K4[Fe(CN)6] = (UO2)2[Fe(CN)6] + 4 KNO3
HNO3 + LiOH = H2O + LiNO3 =>
HNO3 + LiOH = H2O + LiNO3
Cu2CO3(OH)2 + HCOOH + H2O = CuH8O4(O2CH)2 + CO2 =>
Cu2CO3(OH)2 + 4 HCOOH + 5 H2O = 2 CuH8O4(O2CH)2 + CO2
FeCl3 + H2S = FeH3 + Cl2S =>
2 FeCl3 + 3 H2S = 2 FeH3 + 3 Cl2S
Hg3N2 = Hg + N2 =>
Hg3N2 = 3 Hg + N2
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
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