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2 FeCl3 + 3 H2O = Fe2O3 + 6 HCl
(N2H4) = N2 + NH3 =>
3(N2H4) = N2 + 4 NH3
Na2SO3 + KIO3 + H2SO4 = K2SO4 + Na2SO4 + I2 + H2O =>
5 Na2SO3 + 2 KIO3 + H2SO4 = K2SO4 + 5 Na2SO4 + I2 + H2O
Sn(OH)4 + NaOH = Na2[Sn(OH)6] =>
Sn(OH)4 + 2 NaOH = Na2[Sn(OH)6]
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
NaOH(aq) + H3PO4(aq) = H2O(l) + Na3PO4(aq) =>
3 NaOH(aq) + H3PO4(aq) = 3 H2O(l) + Na3PO4(aq)
HF + Cu = CuF2 + H =>
2 HF + Cu = CuF2 + 2 H
MnO2 + H2O2 + K2SO4 = K2MnO4 + H2SO4 =>
MnO2 + H2O2 + K2SO4 = K2MnO4 + H2SO4
Ag = Ag37 =>
37 Ag = Ag37
CH3COOH = H + CH3COO =>
CH3COOH = H + CH3COO
MgCO3NaOH = MgOHNaCO3 =>
MgCO3NaOH = MgOHNaCO3
Pb2S2 + O = Pb + SO2 =>
Pb2S2 + 4 O = 2 Pb + 2 SO2
Hg + CrCl3 = HgCl2 + Cr =>
3 Hg + 2 CrCl3 = 3 HgCl2 + 2 Cr
C7H5NO3 + C3H6O = C16H10N2O2 + O2 + H2O =>
6 C7H5NO3 + 2 C3H6O = 3 C16H10N2O2 + 4 O2 + 6 H2O
Li(g) + O2(g) = Li2O(g) =>
4 Li(g) + O2(g) = 2 Li2O(g)
BrO3{-} + S4O62{-} + H2O = Br{-} + SO42{-} + H{+} =>
209 BrO3{-} + 6 S4O62{-} + 9 H2O = 209 Br{-} + 24 SO42{-} + 18 H{+}
KOHBa(OH)2 = K(OH)2BaOH =>
KOHBa(OH)2 = K(OH)2BaOH
C2H2 + [Cu(NH3)2]Cl = C2CuH + NH3 + HCl =>
C2H2 + [Cu(NH3)2]Cl = C2CuH + 2 NH3 + HCl
Hg + H2CO3 = Hg(CO3) + H2 =>
Hg + H2CO3 = Hg(CO3) + H2
Zn + Cl2 + NaOH = Zn(OH)2 + NaCl2 =>
Zn + 2 Cl2 + 2 NaOH = Zn(OH)2 + 2 NaCl2
Cu + Fe2(SO4)3 = CuSO4 + Fe =>
3 Cu + Fe2(SO4)3 = 3 CuSO4 + 2 Fe
CH3COO{-} + Na{+} = CH3COONa =>
CH3COO{-} + Na{+} = CH3COONa
KOH + N2 = NO2 + K + H2O =>
8 KOH + N2 = 2 NO2 + 8 K + 4 H2O
SO4 + H2O = H2SO4 + O2 =>
2 SO4 + 2 H2O = 2 H2SO4 + O2
FeCl3 + H2O = Fe2O3 + HCl =>
2 FeCl3 + 3 H2O = Fe2O3 + 6 HCl
SO4 + HCl = H2SO4 + Cl2 =>
SO4 + 2 HCl = H2SO4 + Cl2
ABCD2 = A2 + B2 + C2 + D3 =>
6 ABCD2 = 3 A2 + 3 B2 + 3 C2 + 4 D3
CaCo3 + MnCl2 = CaCl2 + MnCo3 =>
CaCo3 + MnCl2 = CaCl2 + MnCo3
F2 + NaOH = NaF + O2 + H2O =>
2 F2 + 4 NaOH = 4 NaF + O2 + 2 H2O
NaC1 + H2SO4 = Na2SO4 + HC1 =>
2 NaC1 + H2SO4 = Na2SO4 + 2 HC1
NaOH + Na2S2O8 + KI = KIO3 + Na2SO4 + H2O =>
6 NaOH + 3 Na2S2O8 + KI = KIO3 + 6 Na2SO4 + 3 H2O
Fe + SCN = Fe(SCN) =>
Fe + SCN = Fe(SCN)
KMnO4(s) + C3H8O3(l) = K2CO3(s) + CO2(g) + H2O(g) + Mn2O3(s) =>
14 KMnO4(s) + 4 C3H8O3(l) = 7 K2CO3(s) + 5 CO2(g) + 16 H2O(g) + 7 Mn2O3(s)
MnO2 + HCl = MnCl2(H2O) + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2(H2O) + Cl2 + H2O
Pb + O = PbO =>
Pb + O = PbO
CrCl3 + K2CO3 + H2O = Cr(OH)3 + H2CO3 + KCl =>
2 CrCl3 + 3 K2CO3 + 6 H2O = 2 Cr(OH)3 + 3 H2CO3 + 6 KCl
Na2CO3 + H2O = Na2O + H2CO3 =>
Na2CO3 + H2O = Na2O + H2CO3
C3H6HCl = C3H7Cl =>
C3H6HCl = C3H7Cl
CH3COOH + Al(OH)3 = H2O + C6H9AlO6 =>
3 CH3COOH + Al(OH)3 = 3 H2O + C6H9AlO6
CH3OHC2H5COOH = C2H5COOCH3H2O =>
CH3OHC2H5COOH = C2H5COOCH3H2O
HClO + AgNO3 = AgClO + HNO3 =>
HClO + AgNO3 = AgClO + HNO3
CH3COOCOCH3 + CH3OH = CH3COOCH3 + CH3COOH =>
CH3COOCOCH3 + CH3OH = CH3COOCH3 + CH3COOH
Pt + H3PO4 = Pt3(PO4)5 + H2 =>
6 Pt + 10 H3PO4 = 2 Pt3(PO4)5 + 15 H2
Ba + H2SO4 = Ba(SO4)2 + H =>
Ba + 2 H2SO4 = Ba(SO4)2 + 4 H
SnCl4(aq) + Al(s) = AlCl4 + Sn =>
SnCl4(aq) + Al(s) = AlCl4 + Sn
Hg(NO3)2 + KI = KI(NO3)2 + Hg =>
Hg(NO3)2 + KI = KI(NO3)2 + Hg
C2H5COCI3 + KOH = C2H5COCH3 + KOI =>
C2H5COCI3 + 3 KOH = C2H5COCH3 + 3 KOI
HI + CO2 = CI + HO2 =>
HI + CO2 = CI + HO2
Fe + SCN = FeSCN =>
Fe + SCN = FeSCN
Pb(CH3COO)2 + Zn = Pb + Zn(CH3COO)2 =>
Pb(CH3COO)2 + Zn = Pb + Zn(CH3COO)2
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