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2 Cu + SO3 = Cu2SO3
K2S + CuCl2 = CuS + KCl =>
K2S + CuCl2 = CuS + 2 KCl
KCNS + Al + HCl = AlCl3 + H2S + NH4Cl + C + KCl =>
3 KCNS + 4 Al + 18 HCl = 4 AlCl3 + 3 H2S + 3 NH4Cl + 3 C + 3 KCl
HNO3(aq) + Cr(OH)3(s) = Cr(NO3)3(s) + H2O(l) =>
3 HNO3(aq) + Cr(OH)3(s) = Cr(NO3)3(s) + 3 H2O(l)
C + Se2 = C3Se4 =>
3 C + 2 Se2 = C3Se4
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 4 K2SO4 + 7 H2O
TiOSO4 + H2SO4 + H2O2 = H2[Ti(O2)(SO4)2] + H2O =>
TiOSO4 + H2SO4 + H2O2 = H2[Ti(O2)(SO4)2] + H2O
KAlO2 + HCl + H2O = KCl + Al(OH)3 =>
KAlO2 + HCl + H2O = KCl + Al(OH)3
Ag + KNO3 = AgNO3 + K =>
Ag + KNO3 = AgNO3 + K
Sb(NO3)3 + Na2S = Sb2S3 + NaNO3 =>
2 Sb(NO3)3 + 3 Na2S = Sb2S3 + 6 NaNO3
Ca(HCO3)2 + Ca(OH)2 = CaCO3 + H2O =>
Ca(HCO3)2 + Ca(OH)2 = 2 CaCO3 + 2 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C2H2 + KCl + H2O = (C2H3Cl)2 + KOH =>
2 C2H2 + 2 KCl + 2 H2O = (C2H3Cl)2 + 2 KOH
CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + H2O =>
3 CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + 3 H2O
Fe2 + S2 = FeS =>
Fe2 + S2 = 2 FeS
HgO = Hg2O + O2 =>
4 HgO = 2 Hg2O + O2
B2Br6 + NHO3 = B(NO3)3 + HBr =>
B2Br6 + 6 NHO3 = 2 B(NO3)3 + 6 HBr
H2SO4 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 H2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 H2O
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
H2S + Pt = PtS + H2 =>
H2S + Pt = PtS + H2
Fe{2+} + Cr2O7{2-} + H{+} = Cr3{+} + Fe{3+} + H2O =>
34 Fe{2+} + 3 Cr2O7{2-} + 42 H{+} = 2 Cr3{+} + 34 Fe{3+} + 21 H2O
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
Si + S = SiS2 =>
Si + 2 S = SiS2
V2O5 + C6H8O7 = VO(C6H7O7)2 + CO2 + H2O =>
9 V2O5 + 37 C6H8O7 = 18 VO(C6H7O7)2 + 6 CO2 + 22 H2O
Fe(OH)3 + (COOH)2 = Fe + CO2 + H2O =>
2 Fe(OH)3 + 3(COOH)2 = 2 Fe + 6 CO2 + 6 H2O
V2O5 + A1 = V + A12O3 =>
3 V2O5 + 60 A1 = 6 V + 5 A12O3
Ni(s) + HCl(aq) = H2(g) + NiCl2(aq) =>
Ni(s) + 2 HCl(aq) = H2(g) + NiCl2(aq)
Cr6 + O2 = Cr2O6 =>
Cr6 + 9 O2 = 3 Cr2O6
Fe(NO3)2 + HI = FeI2 + HNO3 =>
Fe(NO3)2 + 2 HI = FeI2 + 2 HNO3
CrO2{-} + H2O2 = CrO4{-} + H2O =>
CrO2{-} + 2 H2O2 = CrO4{-} + 2 H2O
Cu2 + Cl = CuCl2 =>
Cu2 + 4 Cl = 2 CuCl2
KOH + BaCl2 = KCl + Ba(OH)2 =>
2 KOH + BaCl2 = 2 KCl + Ba(OH)2
FeSO4 + I2 = FeI2 + SO4 =>
FeSO4 + I2 = FeI2 + SO4
H2FeO = FeH2O =>
H2FeO = FeH2O
NiNO3 + KCO3 = NiCO3 + KNO3 =>
NiNO3 + KCO3 = NiCO3 + KNO3
I + NaHCO3 = NaHCO3I2 =>
2 I + NaHCO3 = NaHCO3I2
ZnO = Zn + O2 =>
2 ZnO = 2 Zn + O2
Zn(NO3)2K4Fe(CN)6 = ZnK4Fe(CN)6(NO3)2 =>
Zn(NO3)2K4Fe(CN)6 = ZnK4Fe(CN)6(NO3)2
Pb(NO3)2 + Na2(SO4)2 = Pb(SO4)2 + NaNO3 =>
Pb(NO3)2 + Na2(SO4)2 = Pb(SO4)2 + 2 NaNO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
BaOSO3 = BaO2SO2 =>
BaOSO3 = BaO2SO2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Ba(NO3)2 + (NH4)2CO3 = BaCO3 + (NH4)(NO3) =>
Ba(NO3)2 + (NH4)2CO3 = BaCO3 + 2(NH4)(NO3)
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
Zn0Na2CO3 = ZnONa2CO2 =>
Zn0Na2CO3 = ZnONa2CO2
N2O4(l) + N2H2(l) = N2(g) + H2O(g) =>
N2O4(l) + 4 N2H2(l) = 5 N2(g) + 4 H2O(g)
FeNO33 = Fe2O3 + NO2 + O2 =>
4 FeNO33 = 2 Fe2O3 + 4 NO2 + 59 O2
TiO + C = Ti + CO =>
TiO + C = Ti + CO
Sb2S3 + HCl = SbCl3 + H2S =>
Sb2S3 + 6 HCl = 2 SbCl3 + 3 H2S
C6H5OH + I2 = C6H2I3OH + HI =>
C6H5OH + 3 I2 = C6H2I3OH + 3 HI
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