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Fe2 + 4 Br = 2 FeBr2
Na3N + O2 = NaO + N2 =>
2 Na3N + 3 O2 = 6 NaO + N2
Hg + I = Hg2I2 =>
2 Hg + 2 I = Hg2I2
C7H6O3(S) + C4H6O3(l) = C9H8O4(S) + C2H4O2(S) =>
13 C7H6O3(S) + 3 C4H6O3(l) = 11 C9H8O4(S) + 2 C2H4O2(S)
H2(g)Cl2(g) = HCl(g) =>
H2(g)Cl2(g) = 2 HCl(g)
H2SO4 + CH2O = H2S + CO2 + H2O =>
H2SO4 + 2 CH2O = H2S + 2 CO2 + 2 H2O
(NH4)3PO4 + Pb(NO3)5 = Pb3(PO4)5 + NH4NO3 =>
5(NH4)3PO4 + 3 Pb(NO3)5 = Pb3(PO4)5 + 15 NH4NO3
Ag(NO3) + Na2CrO4 = Ag2CrO4 + NaNO3 =>
2 Ag(NO3) + Na2CrO4 = Ag2CrO4 + 2 NaNO3
CHCH + KMnO4 = C2O4K2 + MnO2 + KOH + H2O =>
3 CHCH + 8 KMnO4 = 3 C2O4K2 + 8 MnO2 + 2 KOH + 2 H2O
NiCl2(aq) + (NH4)2S(aq) = NiS(s) + NH4Cl(aq) =>
NiCl2(aq) + (NH4)2S(aq) = NiS(s) + 2 NH4Cl(aq)
N2H4(l) + O2(l) = NO2(g) + H2O(g) =>
N2H4(l) + 3 O2(l) = 2 NO2(g) + 2 H2O(g)
NaO + C = Na + CO =>
NaO + C = Na + CO
Ba + NiPO4 = Ni + BaPO4 =>
Ba + NiPO4 = Ni + BaPO4
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
Hg2Cl2(s) = Hg(l) + Cl(aq) =>
Hg2Cl2(s) = 2 Hg(l) + 2 Cl(aq)
I + Cl = ICl3 =>
I + 3 Cl = ICl3
K3Po4 + CaCl2 = Ca3(Po4)2 + KCl =>
2 K3Po4 + 3 CaCl2 = Ca3(Po4)2 + 6 KCl
Zn + KNO3 + NaOH = Na2ZnO2 + NH3 + H2O + KOH =>
4 Zn + KNO3 + 8 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O + KOH
NaOH(aq) + CaBr2(aq) = Ca(OH)2 + NaBr(aq) =>
2 NaOH(aq) + CaBr2(aq) = Ca(OH)2 + 2 NaBr(aq)
Cr(OH)3 + IO3 + OH{-} = CrO4{2-} + I{-} + H2O =>
7 Cr(OH)3 + 3 IO3 + 17 OH{-} = 7 CrO4{2-} + 3 I{-} + 19 H2O
C4H10 = C2H2 + H2 =>
C4H10 = 2 C2H2 + 3 H2
Fe2(SO3)3 + H2O = Fe(OH)3 + SO2 =>
Fe2(SO3)3 + 3 H2O = 2 Fe(OH)3 + 3 SO2
Fe(s) + Cu(NO3)2(aq) = Fe(NO3)2(aq) + Cu(s) =>
Fe(s) + Cu(NO3)2(aq) = Fe(NO3)2(aq) + Cu(s)
Sn(NO3)2 = SnO2 + NO2 =>
Sn(NO3)2 = SnO2 + 2 NO2
OH + CO2 = CO3 + H =>
OH + CO2 = CO3 + H
Pd(NO3)2 = Pd + NO3 =>
Pd(NO3)2 = Pd + 2 NO3
Na2HPO4 + Ba(OH)2 = BaHPO4 + NaOH =>
Na2HPO4 + Ba(OH)2 = BaHPO4 + 2 NaOH
K4Fe(CN)6 + KMnO4 = K3Fe(CN)6 + MnO2 + Fe2O3 + KCN =>
9 K4Fe(CN)6 + 3 KMnO4 = 5 K3Fe(CN)6 + 3 MnO2 + 2 Fe2O3 + 24 KCN
V2O5 + V2O3 = V3O7 =>
5 V2O5 + V2O3 = 4 V3O7
KOH + C7H5ClO = C7H7ClO + C7H4ClO2K =>
KOH + 2 C7H5ClO = C7H7ClO + C7H4ClO2K
Hg2(NO3)2(aq) + HBr(aq) = H2NO3(aq) + HgBr2(s) =>
Hg2(NO3)2(aq) + 4 HBr(aq) = 2 H2NO3(aq) + 2 HgBr2(s)
SO + O2 = SO3 =>
SO + O2 = SO3
N + H2O = NOH + H2 =>
2 N + 2 H2O = 2 NOH + H2
Zn + HC1 = ZnC12 + H2 =>
Zn + 12 HC1 = ZnC12 + 6 H2
NaHSO4 + NaClO2 = Na2SO4 + ClO2 + H2 =>
2 NaHSO4 + 2 NaClO2 = 2 Na2SO4 + 2 ClO2 + H2
NaOH + KOH = NaKO + H2O =>
NaOH + KOH = NaKO + H2O
Na + H(OH) = NaOH + H2 =>
2 Na + 2 H(OH) = 2 NaOH + H2
Rb + CH3COOH = C2H3O2Rb + H2 =>
2 Rb + 2 CH3COOH = 2 C2H3O2Rb + H2
C4H11NO2 + O2 = CO2 + H2O + NO2 =>
4 C4H11NO2 + 27 O2 = 16 CO2 + 22 H2O + 4 NO2
KF(s) = K(s) + F2(g) =>
2 KF(s) = 2 K(s) + F2(g)
Ag(NO3) + Na(OH) = Ag(OH) + Na(NO3) =>
Ag(NO3) + Na(OH) = Ag(OH) + Na(NO3)
Li + AuCl3 = LiCl + Au =>
3 Li + AuCl3 = 3 LiCl + Au
Sr(NO3)2 + CaSO4 = Sr(SO4) + Ca(NO3)2 =>
Sr(NO3)2 + CaSO4 = Sr(SO4) + Ca(NO3)2
CH3COOH + Cl = CH3COO + HCl =>
CH3COOH + Cl = CH3COO + HCl
Mg2 + H2O = Mg(OH)2 + H2 =>
Mg2 + 4 H2O = 2 Mg(OH)2 + 2 H2
AlCl3 + K3(PO4) = AlPO4 + KCl =>
AlCl3 + K3(PO4) = AlPO4 + 3 KCl
P4 + (OH){-} + H2O = H2PO2{-} + PH3 =>
P4 + 3(OH){-} + 3 H2O = 3 H2PO2{-} + PH3
C10H12O3 + H2O = H2 + CO =>
C10H12O3 + 7 H2O = 13 H2 + 10 CO
COS = CO + S =>
COS = CO + S
Ag{+} + NH3 = Ag(NH3)2{+} =>
Ag{+} + 2 NH3 = Ag(NH3)2{+}
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