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Na2S + Zn + 2 HCl = 2 NaCl + ZnS + H2
C6H14O6 + CaCO3 = C6H8O6 + H2O + Ca =>
16 C6H14O6 + 18 CaCO3 = 19 C6H8O6 + 36 H2O + 18 Ca
Fe + Sn{4+} = Fe{2+} + Sn =>
2 Fe + Sn{4+} = 2 Fe{2+} + Sn
HCOOH + Al2O3 = (HCOO)3Al + H2O =>
6 HCOOH + Al2O3 = 2(HCOO)3Al + 3 H2O
FeCr2O4 + KNO3 + KOH = K2FeO4 + K2CrO4 + H2O + KNO2 =>
FeCr2O4 + 5 KNO3 + 6 KOH = K2FeO4 + 2 K2CrO4 + 3 H2O + 5 KNO2
KMnO4 + HCl + K4[Fe(CN)6] = MnCl2 + K3[Fe(CN)6] + KO + H2O =>
KMnO4 + 2 HCl + 2 K4[Fe(CN)6] = MnCl2 + 2 K3[Fe(CN)6] + 3 KO + H2O
Cu + Ba(OH)2 = Cu(OH)2 + Ba =>
Cu + Ba(OH)2 = Cu(OH)2 + Ba
KMnO4 + HCl + K4[Fe(CN)6] = MnCl2 + K3[Fe(CN)6] + KO + H2O =>
KMnO4 + 2 HCl + 2 K4[Fe(CN)6] = MnCl2 + 2 K3[Fe(CN)6] + 3 KO + H2O
Mg + Pt(OH)2 = Mg(OH)2 + Pt =>
Mg + Pt(OH)2 = Mg(OH)2 + Pt
C2H5COOH + Mg = (C2H5COO)2Mg + H2 =>
2 C2H5COOH + Mg = (C2H5COO)2Mg + H2
NaNO2 + HNO3 = NaNO3 + H2O + NO =>
3 NaNO2 + 2 HNO3 = 3 NaNO3 + H2O + 2 NO
Li2S(aq) + Mg(C2H3O2)2(aq) = LiC2H3O2(aq) + MgS(s) =>
Li2S(aq) + Mg(C2H3O2)2(aq) = 2 LiC2H3O2(aq) + MgS(s)
SbCl3 + NaBH4 = NaCl + SbH3 + BH3 =>
SbCl3 + 3 NaBH4 = 3 NaCl + SbH3 + 3 BH3
HI(aq)H2O(l) = H3OI =>
HI(aq)H2O(l) = H3OI
H3PO4 + Na2B4O7 + C3H8O3 = BP + NaOH + CO2 + H2O =>
28 H3PO4 + 7 Na2B4O7 + 16 C3H8O3 = 28 BP + 14 NaOH + 48 CO2 + 99 H2O
C2HCl3 + H + Fe{0+} = C2H4 + Fe{2+} + Cl{-} =>
2 C2HCl3 + 6 H + 3 Fe{0+} = 2 C2H4 + 3 Fe{2+} + 6 Cl{-}
HBrO3 + Ni = NiBrO3 + H2 =>
2 HBrO3 + 2 Ni = 2 NiBrO3 + H2
Al2(SO4)3 + Na(OH) = Al(OH)3 + Na2(SO4) =>
Al2(SO4)3 + 6 Na(OH) = 2 Al(OH)3 + 3 Na2(SO4)
Mg + KMnO4 = K + MgMnO4 =>
Mg + KMnO4 = K + MgMnO4
KIO3 + Cl2 = KClO3 + I2 =>
2 KIO3 + Cl2 = 2 KClO3 + I2
Cr(OH)3 + Cl2 + NaOH = NaCl + Na2CrO4 + H2O =>
2 Cr(OH)3 + 3 Cl2 + 10 NaOH = 6 NaCl + 2 Na2CrO4 + 8 H2O
Mg(PO4) + H2 = Mg + H3PO4 =>
2 Mg(PO4) + 3 H2 = 2 Mg + 2 H3PO4
HNO3 + Sr = Sr(NO3)2 + H2O + NH4NO3 =>
10 HNO3 + 4 Sr = 4 Sr(NO3)2 + 3 H2O + NH4NO3
S2 = S3 =>
3 S2 = 2 S3
Al(s) + Cl2(g) = AlCl(aq) =>
2 Al(s) + Cl2(g) = 2 AlCl(aq)
Pt(s) + Cu(NO3)2(aq) = Cu + PtNO3 =>
2 Pt(s) + Cu(NO3)2(aq) = Cu + 2 PtNO3
AuCl3 + Ag = AgCl + Au =>
AuCl3 + 3 Ag = 3 AgCl + Au
C4H8Cl + Cl2 = C4H8Cl3 =>
C4H8Cl + Cl2 = C4H8Cl3
KOH + PbO2 + Cr(OH)3 = PbO + K2CrO4 + H2O =>
4 KOH + 3 PbO2 + 2 Cr(OH)3 = 3 PbO + 2 K2CrO4 + 5 H2O
Ca(OH)2 + KCl = CaCl2 + KOH =>
Ca(OH)2 + 2 KCl = CaCl2 + 2 KOH
Mg + H2PO4 = Mg3PO4 + H2 =>
3 Mg + H2PO4 = Mg3PO4 + H2
CH3COOH + C3H8O = CH3CH2COOCH2CH3 + H2O =>
CH3COOH + C3H8O = CH3CH2COOCH2CH3 + H2O
P + Br = PBr =>
P + Br = PBr
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
NaOH + Ag{+} = AgOH + Na{+} =>
NaOH + Ag{+} = AgOH + Na{+}
Cl2 + H2O = HCl + HClO =>
Cl2 + H2O = HCl + HClO
H{+} + CrO42{-} + N2O = Cr3{+} + NO + H2O =>
4 H{+} + 3 CrO42{-} + 124 N2O = Cr3{+} + 248 NO + 2 H2O
NiS + H2SO4 = NiSO4 + H2S =>
NiS + H2SO4 = NiSO4 + H2S
H2O2 + I2 = HIO3 + H2 =>
3 H2O2 + I2 = 2 HIO3 + 2 H2
C12H22O11 + Br2 + H2O = C11H22O12 + HBr =>
11 C12H22O11 + 12 Br2 + 23 H2O = 12 C11H22O12 + 24 HBr
Cu3(PO4)2 + H3PO4 = CuHPO4 =>
Cu3(PO4)2 + H3PO4 = 3 CuHPO4
Li2CO3 + H2CO3 = LiHCO3 =>
Li2CO3 + H2CO3 = 2 LiHCO3
NaH2PO4(aq) + CaCl2(aq) = Ca(H2PO4)2(aq) + NaCl(s) =>
2 NaH2PO4(aq) + CaCl2(aq) = Ca(H2PO4)2(aq) + 2 NaCl(s)
NaOH + (N2H8)SO4 = Na2SO4 + NH3 + H2O =>
2 NaOH + (N2H8)SO4 = Na2SO4 + 2 NH3 + 2 H2O
C4H8 + KMnO4 + H2SO4 = C4H6O4 + K2SO4 + MnSO4 + H2O =>
C4H8 + 2 KMnO4 + 3 H2SO4 = C4H6O4 + K2SO4 + 2 MnSO4 + 4 H2O
SiO2(s) + HF(aq) = H2SiF6(aq) + H2O(l) =>
SiO2(s) + 6 HF(aq) = H2SiF6(aq) + 2 H2O(l)
NaOH + AgNO3 + C6H12O6 = Ag + NaNO3 + H2O + C6H12O7 =>
2 NaOH + 2 AgNO3 + C6H12O6 = 2 Ag + 2 NaNO3 + H2O + C6H12O7
K2Cr2O7 + H2S = K2CrO4 + Cr(OH)3 + S =>
2 K2Cr2O7 + 3 H2S = 2 K2CrO4 + 2 Cr(OH)3 + 3 S
Si3H8(g) + O2(g) = SiO2(s) + H2O(l) =>
Si3H8(g) + 5 O2(g) = 3 SiO2(s) + 4 H2O(l)
AlPO4 + NaF = AlF3 + Na3PO4 =>
AlPO4 + 3 NaF = AlF3 + Na3PO4
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