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Se + 2 Pb{+4} + 3 H2O = 2 Pb{+2} + SeO3{-2} + 6 H{+}
CH2O = COH2 =>
CH2O = COH2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + (H2O) =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6(H2O)
C(s) + S(s) = CS2(l) =>
C(s) + 2 S(s) = CS2(l)
Co(CH3COO)2 + NaOH = Co(OH)2 + NaCH3COO =>
Co(CH3COO)2 + 2 NaOH = Co(OH)2 + 2 NaCH3COO
Hg + CuCl2 = HgCl + Cu =>
2 Hg + CuCl2 = 2 HgCl + Cu
FeCI2 + Ba(OH)2 = Fe(OH)2 + BaCI2 =>
FeCI2 + Ba(OH)2 = Fe(OH)2 + BaCI2
CaSO4 + NaS = CaS + NaSO4 =>
CaSO4 + NaS = CaS + NaSO4
Ce2O3 + H2S = Ce2S3 + H2O =>
Ce2O3 + 3 H2S = Ce2S3 + 3 H2O
CaSO4 + NaS = CaS + NaSO4 =>
CaSO4 + NaS = CaS + NaSO4
SnS2 = SnS + S =>
SnS2 = SnS + S
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CaSO4 + NaS = CaS + NaSO4 =>
CaSO4 + NaS = CaS + NaSO4
Na[Cr(OH)4] + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na[Cr(OH)4] + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
Ag(s) + F2(g) = AgF(s) =>
2 Ag(s) + F2(g) = 2 AgF(s)
CaSO4 + NaS = CaS + NaSO4 =>
CaSO4 + NaS = CaS + NaSO4
CH2O = C6H12O6 =>
6 CH2O = C6H12O6
Na2SiO3 + H2SO4 = SiO2 + Na2SO4 + H2O =>
Na2SiO3 + H2SO4 = SiO2 + Na2SO4 + H2O
Ba3(PO4)2 + H{+} = Ba{2+} + H3PO4 =>
Ba3(PO4)2 + 6 H{+} = 3 Ba{2+} + 2 H3PO4
C6H6 + Cl2 + FeCl3 = C6H6FeCl5 =>
C6H6 + Cl2 + FeCl3 = C6H6FeCl5
I2 + Zn + H2O = HI + Zn(OH)2 =>
I2 + Zn + 2 H2O = 2 HI + Zn(OH)2
Al + FeO = AlOFe =>
Al + FeO = AlOFe
C4H8(OH)2 + Br2 = C4H7(OH)2Br + HBr =>
C4H8(OH)2 + Br2 = C4H7(OH)2Br + HBr
CH3(g) + Cl2(g) = CCl(l) + HCl =>
CH3(g) + 2 Cl2(g) = CCl(l) + 3 HCl
KClO4 + KCrO2 + KOH = KCl + K2CrO4 + H2O =>
3 KClO4 + 8 KCrO2 + 8 KOH = 3 KCl + 8 K2CrO4 + 4 H2O
Xe + F = XeF2 =>
Xe + 2 F = XeF2
(NH4)2SO4 + H2SO4 = NH4HSO4 =>
(NH4)2SO4 + H2SO4 = 2 NH4HSO4
MnO4 + H2S = Mn + S + H2O =>
MnO4 + 4 H2S = Mn + 4 S + 4 H2O
Na2S2O3(aq) + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3(aq) + 2 HCl = 2 NaCl + SO2 + S + H2O
Na + Cl = (NaCl) =>
Na + Cl = (NaCl)
NaCl + O = ClO + Na =>
NaCl + O = ClO + Na
Cu + Al = Cu3Al2 =>
3 Cu + 2 Al = Cu3Al2
Hg(OH)2 + HBr = HgBr2 + H2O =>
Hg(OH)2 + 2 HBr = HgBr2 + 2 H2O
Mg(s) + Cl(g) = MgCl2(s) =>
Mg(s) + 2 Cl(g) = MgCl2(s)
CuNO3 + (NH4)2CO3 = Cu2CO3 + NH4NO3 =>
2 CuNO3 + (NH4)2CO3 = Cu2CO3 + 2 NH4NO3
Hg + HSO4 = HgSO4 + H2O + SO2 =>
3 Hg + 4 HSO4 = 3 HgSO4 + 2 H2O + SO2
CaSO4 + NaS = CaS + NaSO4 =>
CaSO4 + NaS = CaS + NaSO4
H2S + MnO4 = Mn + SO4 + H2O =>
4 H2S + 5 MnO4 = 5 Mn + 4 SO4 + 4 H2O
MnSO4 + CaOCl2 + NaOH = MnO2 + CaCl2 + Na2SO4 + H2O =>
MnSO4 + CaOCl2 + 2 NaOH = MnO2 + CaCl2 + Na2SO4 + H2O
C3 = C =>
C3 = 3 C
Na[Cr(OH)4] + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na[Cr(OH)4] + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
Fe + CuBr2 = FeBr3 + Cu =>
2 Fe + 3 CuBr2 = 2 FeBr3 + 3 Cu
Ba(OH)2 + NH4Cl = BaCl2(aq) + NH3(g) + H2O =>
Ba(OH)2 + 2 NH4Cl = BaCl2(aq) + 2 NH3(g) + 2 H2O
P4 + CuSO4 + H2O = Cu + H3PO4 + H2SO4 =>
P4 + 10 CuSO4 + 16 H2O = 10 Cu + 4 H3PO4 + 10 H2SO4
CH3COOH(aq) + K2CO3(aq) = CH3COOK(aq) + CO2(g) + H2O(l) =>
2 CH3COOH(aq) + K2CO3(aq) = 2 CH3COOK(aq) + CO2(g) + H2O(l)
K3N + O2 = K2O + NO2 =>
4 K3N + 7 O2 = 6 K2O + 4 NO2
Zn + NaOH = H2 + Na2ZnO2 =>
Zn + 2 NaOH = H2 + Na2ZnO2
(NH4)2C2O4H2O + KMnO4 + H2SO4 = MnSO4 + K2O2 + CO2 + N2 + H2O =>
(NH4)2C2O4H2O + 2 KMnO4 + 2 H2SO4 = 2 MnSO4 + K2O2 + 2 CO2 + N2 + 7 H2O
Li + H2SO3 = Li2SO3 + H =>
2 Li + H2SO3 = Li2SO3 + 2 H
CaSO4 + NaS = CaS + NaSO4 =>
CaSO4 + NaS = CaS + NaSO4
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