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C2H4(g) + O3(g) = 2 CHO(g) + H2O(g)
Hl + Ca = Hl4Ca2 =>
4 Hl + 2 Ca = Hl4Ca2
HBF4 + NaCl = HCl + NaBF4 =>
HBF4 + NaCl = HCl + NaBF4
EDTA + NaOH = NaEDTA + OH =>
EDTA + NaOH = NaEDTA + OH
MnO4{-} + HNO2 + H3O{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO4{-} + 5 HNO2 + H3O{+} = 2 Mn{2+} + 5 NO3{-} + 4 H2O
Cr2O7{2-} + H{+} + Sn = Cr + Sn{2+} + H2O =>
Cr2O7{2-} + 14 H{+} + 6 Sn = 2 Cr + 6 Sn{2+} + 7 H2O
NaCrO3 + C2H5OH + HCl = C2H4O + Cr2O3 + H2O + NaCl =>
2 NaCrO3 + 2 C2H5OH + 2 HCl = 2 C2H4O + Cr2O3 + 3 H2O + 2 NaCl
R0 + O2 = R2O3 =>
4 R0 + 3 O2 = 2 R2O3
Mg2Si + H2O = Mg2O + H2Si =>
Mg2Si + H2O = Mg2O + H2Si
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + HgBr =>
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + 2 HgBr
Ag{+} + PO4{3-} = AgPO4{2-} =>
Ag{+} + PO4{3-} = AgPO4{2-}
K4[Fe(CN)6] + FeSO4 = K2SO4 + K2Fe[Fe(CN)6] =>
K4[Fe(CN)6] + FeSO4 = K2SO4 + K2Fe[Fe(CN)6]
SrBr2 + K2SO4 = SrSO4 + KBr =>
SrBr2 + K2SO4 = SrSO4 + 2 KBr
NaOCl + NaI = NaCl + I2 + Na2O =>
NaOCl + 2 NaI = NaCl + I2 + Na2O
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + HgBr =>
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + 2 HgBr
CaCl2 + NaBr = CaBr2 + NaCl =>
CaCl2 + 2 NaBr = CaBr2 + 2 NaCl
BiCuOSe = BiOCuSe =>
BiCuOSe = BiOCuSe
C6H6 + I2 = C6H5I + HI =>
C6H6 + I2 = C6H5I + HI
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
H2SO4 + K3P = K2SO4 + PH3 =>
3 H2SO4 + 2 K3P = 3 K2SO4 + 2 PH3
NaOH + NaClO3 + CrCl3 = NaCl + Na2CrO4 + H2O =>
10 NaOH + NaClO3 + 2 CrCl3 = 7 NaCl + 2 Na2CrO4 + 5 H2O
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + HgBr =>
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + 2 HgBr
NaI + KClO3 + H2SO4 = I2 + KCl + NaSO4 + H2O =>
6 NaI + 2 KClO3 + 6 H2SO4 = 3 I2 + 2 KCl + 6 NaSO4 + 6 H2O
NaI + Fe = FeI3 + Na =>
3 NaI + Fe = FeI3 + 3 Na
K2CO3 + HBr = CO2 + H2O + K3Br3 =>
3 K2CO3 + 6 HBr = 3 CO2 + 3 H2O + 2 K3Br3
Cl2 + KBr = KCl + Br =>
Cl2 + 2 KBr = 2 KCl + 2 Br
N2O2 + H2O = H4N4O6 =>
2 N2O2 + 2 H2O = H4N4O6
Cu2S + HNO3 = Cu(NO3)2 + H2O + N2 + H2SO4 =>
Cu2S + 6 HNO3 = 2 Cu(NO3)2 + 2 H2O + N2 + H2SO4
CH2CH2CH2OH + KMnO4 + H2SO4 = CH3CH2CH2COOH + K2SO4 + MnSO4 + H2O =>
20 CH2CH2CH2OH + 8 KMnO4 + 12 H2SO4 = 15 CH3CH2CH2COOH + 4 K2SO4 + 8 MnSO4 + 22 H2O
Mn{2+} + MnO4{-} + H2O = MnO2 + H3O{+} =>
3 Mn{2+} + 2 MnO4{-} + 6 H2O = 5 MnO2 + 4 H3O{+}
Cu2S + HNO3 = Cu(NO3)2 + H2O + N2 + H2SO4 =>
Cu2S + 6 HNO3 = 2 Cu(NO3)2 + 2 H2O + N2 + H2SO4
NH4Cl + Ni(NO3)2 = NH4NO3 + NiCl2 =>
2 NH4Cl + Ni(NO3)2 = 2 NH4NO3 + NiCl2
CaCO3 + Na2SO4 = CaSO4 + Na2CO3 =>
CaCO3 + Na2SO4 = CaSO4 + Na2CO3
Ba(OH)2 + Na2CO3 = BaCO3 + Na2(OH)2 =>
Ba(OH)2 + Na2CO3 = BaCO3 + Na2(OH)2
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + HgBr =>
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + 2 HgBr
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
BaF2 + (NH4)3PO4 = Ba3(PO4)2 + NH4F =>
3 BaF2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6 NH4F
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + HgBr =>
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + 2 HgBr
AsS3{-} + H{+} = As2S5 + H2S =>
2 AsS3{-} + 2 H{+} = As2S5 + H2S
Cu2S + HNO3 = Cu(NO3)2 + H2O + N2 + H2SO4 =>
Cu2S + 6 HNO3 = 2 Cu(NO3)2 + 2 H2O + N2 + H2SO4
HBr + Sb2S3 = H3SbBr6 + H2S =>
12 HBr + Sb2S3 = 2 H3SbBr6 + 3 H2S
Cu2S + HNO3 = Cu(NO3)2 + H2O + N2 + H2SO4 =>
Cu2S + 6 HNO3 = 2 Cu(NO3)2 + 2 H2O + N2 + H2SO4
CHCl3 + HF = CHCl2F + HCl =>
CHCl3 + HF = CHCl2F + HCl
Cu2S + HNO3 = Cu(NO3)2 + H2O + N2 + H2SO4 =>
Cu2S + 6 HNO3 = 2 Cu(NO3)2 + 2 H2O + N2 + H2SO4
V{3+} + H2O = V3O5 + H{+} + {-} =>
3 V{3+} + 5 H2O = V3O5 + 10 H{+} + e
(CH3COO)2Ca + C2H5OH = Ca(OH)2 + CH3COOC2H5 =>
(CH3COO)2Ca + 2 C2H5OH = Ca(OH)2 + 2 CH3COOC2H5
K + ZnCO3 = KZnCO3 =>
K + ZnCO3 = KZnCO3
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + HgBr =>
MnBr2 + Hg2(NO3)2 = Mn(NO3)2 + 2 HgBr
Co + P4 = Co3P2 =>
6 Co + P4 = 2 Co3P2
CuO + Cl2 = CuOCl =>
2 CuO + Cl2 = 2 CuOCl
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