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CuSO4 + 4 H2S = CuS + 4 H2O + 4 S
Fe(CN)6{4-} + Ce{4+} + OH{-} = Ce(OH)3 + Fe(OH)3 + CO3{2-} + NO3{-} + H2O =>
Fe(CN)6{4-} + 61 Ce{4+} + 258 OH{-} = 61 Ce(OH)3 + Fe(OH)3 + 6 CO3{2-} + 6 NO3{-} + 36 H2O
Fe + ZnSO4 = FeSO4 + Zn =>
Fe + ZnSO4 = FeSO4 + Zn
CaO + SO3 = CaSO + O2 =>
2 CaO + 2 SO3 = 2 CaSO + 3 O2
Hg2(NO3)2 + Na3PO4 = Hg3PO4 + NaNO3 =>
3 Hg2(NO3)2 + 2 Na3PO4 = 2 Hg3PO4 + 6 NaNO3
C13H10O + NaBH4 = C13H12O + NaBH =>
3 C13H10O + 2 NaBH4 = 3 C13H12O + 2 NaBH
MgCO3 = MgO + CO2MgCO3 = MgO + CO2 =>
2 MgCO3 = MgO + CO2MgCO3
KCr(SO4)2*12H2O + H2C2O4*2H2O + KOH = K3[Cr(C2O4)3]*3H2O + K2SO4 + H2O =>
KCr(SO4)2*12H2O + 3 H2C2O4*2H2O + 6 KOH = K3[Cr(C2O4)3]*3H2O + 2 K2SO4 + 21 H2O
KOH + Fe(Cl)2 = KCl2 + FeOH =>
KOH + Fe(Cl)2 = KCl2 + FeOH
Al2(SO4)3 + KIO3 = Al2(KIO3)3 + SO4 =>
Al2(SO4)3 + 3 KIO3 = Al2(KIO3)3 + 3 SO4
CaCl2(aq) + Na2CO3(aq) = NaCl(aq) + CaCO3(awq) =>
CaCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CaCO3(awq)
CH3CH20H + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2S04 + H2O =>
4 CH3CH20H + 3 K2Cr2O7 + 21 H2SO4 = 4 CH3COOH + 3 Cr2(SO4)3 + 3 K2S04 + 61 H2O
Y2 + HNO3 = HYO3 + NO + H2O =>
3 Y2 + 10 HNO3 = 6 HYO3 + 10 NO + 2 H2O
Fe(CN)6{3-} + Ce{4+} + OH{-} = Ce(OH)3 + Fe(OH)3 + CO3{2-} + NO3{-} + H2O =>
Fe(CN)6{3-} + 60 Ce{4+} + 255 OH{-} = 60 Ce(OH)3 + Fe(OH)3 + 6 CO3{2-} + 6 NO3{-} + 36 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
K + B2O3 = B + K2O =>
6 K + B2O3 = 2 B + 3 K2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Zn(s) + H2So4(aq) = Zn2So42(aq) + H2(g) =>
4 Zn(s) + 21 H2So4(aq) = 2 Zn2So42(aq) + 21 H2(g)
H3PO4 = HPO3 + H2O =>
H3PO4 = HPO3 + H2O
Mn2(s) + H2O2(aq) = MnO2(s) + H2O(l) =>
Mn2(s) + 4 H2O2(aq) = 2 MnO2(s) + 4 H2O(l)
BaCO3 + H3PO3 = PO3CO3 + H3Ba =>
BaCO3 + H3PO3 = PO3CO3 + H3Ba
H + AgCl = HCl + Ag =>
H + AgCl = HCl + Ag
NH3 + O2 = N2 + H22O =>
44 NH3 + 3 O2 = 22 N2 + 6 H22O
CuCl2(s) + Al(s) = Cu(s) + AlCl3 =>
3 CuCl2(s) + 2 Al(s) = 3 Cu(s) + 2 AlCl3
PbO2 + HNO3 = Pb(NO3)2 + H2 + O2 =>
PbO2 + 2 HNO3 = Pb(NO3)2 + H2 + O2
Ba + AgC2H3O2 = BaC2H3O2 + Ag =>
Ba + AgC2H3O2 = BaC2H3O2 + Ag
Mg + HCl = H + MgCl =>
Mg + HCl = H + MgCl
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
SiC + CO = C + SiO2 =>
SiC + 2 CO = 3 C + SiO2
Li2CO3 + MoBr4 = LiBr + Mo2(CO3)4 =>
4 Li2CO3 + 2 MoBr4 = 8 LiBr + Mo2(CO3)4
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Pb(NO3)2 + Kl = KlNO3 + Pb2 =>
2 Pb(NO3)2 + 4 Kl = 4 KlNO3 + Pb2
NaOH(aq) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) =>
NaOH(aq) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l)
Zn(NO3)2 + NaCl = ZnCl2 + NaNO3 =>
Zn(NO3)2 + 2 NaCl = ZnCl2 + 2 NaNO3
Cr2O3 + Al = Al2O3 + Cr =>
Cr2O3 + 2 Al = Al2O3 + 2 Cr
Zn + HCe = ZnCe + H2 =>
2 Zn + 2 HCe = 2 ZnCe + H2
CO2 + Ca(OH)2(aq) = CaCO3 + H2O =>
CO2 + Ca(OH)2(aq) = CaCO3 + H2O
Fe + KOH = Fe(OH)3 + K =>
Fe + 3 KOH = Fe(OH)3 + 3 K
LiOH + H2C2O4 = H2O + LiHC2O4 =>
LiOH + H2C2O4 = H2O + LiHC2O4
HBrO + Pb = Pb(BrO)2 + H2 =>
2 HBrO + Pb = Pb(BrO)2 + H2
Cr2O7{2-} + H{+} + {-} = Cr{3+} + H2O =>
Cr2O7{2-} + 14 H{+} + 6e = 2 Cr{3+} + 7 H2O
MnO4{-} + VO + OH{-} = Mn2O5{2-} + VO3{-} + H2O =>
2 MnO4{-} + 2 VO + 2 OH{-} = Mn2O5{2-} + 2 VO3{-} + H2O
Al(NO3)3 + CH3COONa + C14H6O2(OH)2 = Al(OH)2C14H6O2(OH) + CH3COOH + Na(NO3)3 =>
10 Al(NO3)3 + 10 CH3COONa + 9 C14H6O2(OH)2 = 10 Al(OH)2C14H6O2(OH) + 3 CH3COOH + 10 Na(NO3)3
K2FeO4 + HBr = KBr + FeBr3 + Br2 + H2O =>
2 K2FeO4 + 16 HBr = 4 KBr + 2 FeBr3 + 3 Br2 + 8 H2O
(CH3)2CO + N2 = C3H4N2 + H2O =>
(CH3)2CO + N2 = C3H4N2 + H2O
NH3 + Mg = MgN2 + H2 =>
2 NH3 + Mg = MgN2 + 3 H2
H2O + Zn = ZnO2 + H2Zn =>
2 H2O + 3 Zn = ZnO2 + 2 H2Zn
HCHO + Ag(NH3)2OH = NH4CO3 + Ag + NH3 + H2O =>
HCHO + 5 Ag(NH3)2OH = NH4CO3 + 5 Ag + 9 NH3 + 3 H2O
I{-} + O2{-} + H{+} = I2 + H2O =>
6 I{-} + 2 O2{-} + 8 H{+} = 3 I2 + 4 H2O
WO3(s) + H2(g) = W(s) + H2O(l) =>
WO3(s) + 3 H2(g) = W(s) + 3 H2O(l)
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