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9 Al2S3(S) = 18 Al(s) + 4 S8(S)
FeS(s) + HCl(g) = FeCl2(s) + H2S(g) =>
FeS(s) + 2 HCl(g) = FeCl2(s) + H2S(g)
NaHSO4 + Ba(OH)2 = NaOH + BaSO4 + H2O =>
NaHSO4 + Ba(OH)2 = NaOH + BaSO4 + H2O
FeBr3 + Nh4S = FeS3 + Nh4Br =>
FeBr3 + 3 Nh4S = FeS3 + 3 Nh4Br
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
K + CuCl = KCu + Cl =>
K + CuCl = KCu + Cl
CH2O + O2 = CO2 + H2O =>
CH2O + O2 = CO2 + H2O
CH3OH + KMnO4 = HCOOH + MnO2 + KOH + H2O =>
3 CH3OH + 4 KMnO4 = 3 HCOOH + 4 MnO2 + 4 KOH + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu + NaPO4 = NaCu + PO4 =>
Cu + NaPO4 = NaCu + PO4
NH4OH + HCl = H2O + NH4Cl =>
NH4OH + HCl = H2O + NH4Cl
Li2O + H2Cl = Li2Cl + H2O =>
Li2O + H2Cl = Li2Cl + H2O
Fe2O3 + Al = Fe + AlO =>
Fe2O3 + 3 Al = 2 Fe + 3 AlO
P5 + O2 = P5O =>
2 P5 + O2 = 2 P5O
H2SO4(aq) + HI(aq) = H2S(aq) + I2(aq) + H2O(l) =>
H2SO4(aq) + 8 HI(aq) = H2S(aq) + 4 I2(aq) + 4 H2O(l)
Mg(SO4)2*12H2O + Ba(NO3)2 = Mg(NO3)2 + Ba(SO4)2*12H2O =>
Mg(SO4)2*12H2O + Ba(NO3)2 = Mg(NO3)2 + Ba(SO4)2*12H2O
KHSO3 + HBr = KBr + SO2 + H2O =>
KHSO3 + HBr = KBr + SO2 + H2O
Cu{2+} + CN{-} = CuCN + (CN)2 =>
2 Cu{2+} + 4 CN{-} = 2 CuCN + (CN)2
K2Pt(OH)6 = K + OH + Pt =>
K2Pt(OH)6 = 2 K + 6 OH + Pt
CaCO3 + (HCOOH)2 = Ca(HCOO)2 + CO2 + H2O =>
CaCO3 + (HCOOH)2 = Ca(HCOO)2 + CO2 + H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
Cu{+2} + I{-} = CuI + I2 =>
2 Cu{+2} + 4 I{-} = 2 CuI + I2
C6H5CH(CH3)2 + O2 = C6H5OH + CH3C(O)CH3 =>
C6H5CH(CH3)2 + O2 = C6H5OH + CH3C(O)CH3
Cr2 = Cr4 =>
2 Cr2 = Cr4
Cu(aq) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(aq) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
SrO + HBr = BrSrO + H =>
SrO + HBr = BrSrO + H
HBr(aq) + MgS(s) = H2S(aq) + MgBr2(aq) =>
2 HBr(aq) + MgS(s) = H2S(aq) + MgBr2(aq)
(C2H5)2NH + H2O = OH{-} + (C2H5)2NH2{+} =>
(C2H5)2NH + H2O = OH{-} + (C2H5)2NH2{+}
Cr2O3 + KOH + O2 = K2Cr3O7 + H2O =>
6 Cr2O3 + 8 KOH + 3 O2 = 4 K2Cr3O7 + 4 H2O
Au(NO3)3(aq) + Ag(s) = Ag(NO3) + Au =>
Au(NO3)3(aq) + 3 Ag(s) = 3 Ag(NO3) + Au
C7H8 + H2 = CH4 =>
C7H8 + 10 H2 = 7 CH4
SbH3 + H2O = Sb2O3 + H2 =>
2 SbH3 + 3 H2O = Sb2O3 + 6 H2
Cu + NH3(OH) = Cu(OH)2 + NH3 =>
Cu + 2 NH3(OH) = Cu(OH)2 + 2 NH3
H[SbCl6] + NaOH = SbO(OH)3 + NaCl + H2O =>
H[SbCl6] + 6 NaOH = SbO(OH)3 + 6 NaCl + 2 H2O
Al + Z2 = AlZ3 =>
2 Al + 3 Z2 = 2 AlZ3
NH4(HCO3) + Ca(OH)2 = Ca(HCO3)2 + NH4(OH) =>
2 NH4(HCO3) + Ca(OH)2 = Ca(HCO3)2 + 2 NH4(OH)
Fe(NO3)2 + Al = AlNO3 + Fe =>
Fe(NO3)2 + 2 Al = 2 AlNO3 + Fe
CH3CoOH + KOH = CH3CoOK + H2O =>
CH3CoOH + KOH = CH3CoOK + H2O
Fe(III)Cl + NH4OH = Fe(III)OH + NH4Cl =>
Fe(III)Cl + NH4OH = Fe(III)OH + NH4Cl
Mn(ClO4)3 = Mn(ClO2)3 + O2 =>
Mn(ClO4)3 = Mn(ClO2)3 + 3 O2
AgNO3(aq) + K2CrO4(aq) = Ag2CrO4 + KNO3 =>
2 AgNO3(aq) + K2CrO4(aq) = Ag2CrO4 + 2 KNO3
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
H2O2 + KOH + K2CrO4 = H2O + K3CrO8 =>
7 H2O2 + 2 KOH + 2 K2CrO4 = 8 H2O + 2 K3CrO8
Fe + ZnO = FeOZn =>
Fe + ZnO = FeOZn
N2O = N2 + O =>
N2O = N2 + O
MnO4{-1)+As2O3+H2O = Mn2O3+AsO4{3-}+H3O{+} =>
2 MnO4{-1)+2As2O3+15H2O = Mn2O3+4AsO4{3-}+10H3O{+}
BaO + Li = Ba + LiO2 =>
2 BaO + Li = 2 Ba + LiO2
Al2Se3 + H2O = Al(OH)3 + H2Se =>
Al2Se3 + 6 H2O = 2 Al(OH)3 + 3 H2Se
Hg2Na + ClNO3 = Hg2NO3 + NaCl =>
Hg2Na + ClNO3 = Hg2NO3 + NaCl
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