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2 HCHO = CH3COOH
C5H11OH + KMnO4 + H2SO4 = C5H10O + K2SO4 + MnSO4 + H2O =>
5 C5H11OH + 2 KMnO4 + 3 H2SO4 = 5 C5H10O + K2SO4 + 2 MnSO4 + 8 H2O
MnO2 + H{+} + NO2{-} = Mn{2+} + NO3{-} + H2O =>
MnO2 + 2 H{+} + NO2{-} = Mn{2+} + NO3{-} + H2O
NaOH + Cl12 = NaCl + NaClO + H2O =>
12 NaOH + Cl12 = 6 NaCl + 6 NaClO + 6 H2O
H2TeO4 + Na2S2O5 + NaOH = TeO2 + Na2SO4 + H2O =>
2 H2TeO4 + Na2S2O5 + 2 NaOH = 2 TeO2 + 2 Na2SO4 + 3 H2O
WO2 + Zn + NaOH = Na2W2O4 + Zn(OH)2 =>
2 WO2 + Zn + 2 NaOH = Na2W2O4 + Zn(OH)2
C7H5NO3S + H2O + BaCl2 = C7H5NO3Cl2 + H2 + BaSO4 =>
C7H5NO3S + 4 H2O + BaCl2 = C7H5NO3Cl2 + 4 H2 + BaSO4
Fe2O3 + H2O = Fe{+3} + OH{-} =>
Fe2O3 + 3 H2O = 2 Fe{+3} + 6 OH{-}
V2O5 + HI = V2O3 + I2 + H2O =>
V2O5 + 4 HI = V2O3 + 2 I2 + 2 H2O
HgI2 + KI = HgI4 + K =>
HgI2 + 2 KI = HgI4 + 2 K
PbO2 + Sb + K(OH) = PbO + K(SbO2) + H2O =>
3 PbO2 + 2 Sb + 2 K(OH) = 3 PbO + 2 K(SbO2) + H2O
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
C7H5O7 + O2 = CO2 + H2O =>
4 C7H5O7 + 19 O2 = 28 CO2 + 10 H2O
H2 + (CI)2 = HCI =>
H2 + (CI)2 = 2 HCI
NH2 + H2SO4 = (NH4)2 + SO4 =>
2 NH2 + 2 H2SO4 = (NH4)2 + 2 SO4
LiHCO3 = Li + H + CO3 =>
LiHCO3 = Li + H + CO3
CrO72{-} + H{+} + SO3{-}2 = Cr{+} + SO4{-}2 + H2O =>
CrO72{-} + 2 H{+} + 71 SO3{-}2 = Cr{+} + 71 SO4{-}2 + H2O
PhCOH + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCOH + 2 KMnO4 + 3 H2SO4 = 5 PhCOOH + K2SO4 + 2 MnSO4 + 3 H2O
K(OH)2 + AlCl = KCl + Al(OH)2 =>
K(OH)2 + AlCl = KCl + Al(OH)2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
P4(s) + NaOH(aq) + H2O(l) = PH3(g) + Na2HPO3(aq) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(g) + 2 Na2HPO3(aq)
H2SO4 + MgO = Mg2(SO4)2 + H2O =>
2 H2SO4 + 2 MgO = Mg2(SO4)2 + 2 H2O
NO + HOH + Br2 = HNO2 + H{+} + Br{-} =>
2 NO + 2 HOH + Br2 = 2 HNO2 + 2 H{+} + 2 Br{-}
COO + O2 = CO3O4 =>
2 COO + 5 O2 = 2 CO3O4
Rb(PO) + AuF = RbF + Au(PO) =>
Rb(PO) + AuF = RbF + Au(PO)
Fe3(PO4)2 + Ga2(SO4)3 = FeSO4 + GaPO4 =>
Fe3(PO4)2 + Ga2(SO4)3 = 3 FeSO4 + 2 GaPO4
Ni2(CO3)3(s) = Ni2(s) + (CO3)3(g) =>
Ni2(CO3)3(s) = Ni2(s) + (CO3)3(g)
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Na + HBrO4 = NaBrO4 + H2 =>
2 Na + 2 HBrO4 = 2 NaBrO4 + H2
Mg + Li2CO3 = Li + MgCO3 =>
Mg + Li2CO3 = 2 Li + MgCO3
Mg + HNO3 = Mg(NO3)2 + N2O + H1O =>
3 Mg + 10 HNO3 = 3 Mg(NO3)2 + 2 N2O + 10 H1O
Zn + NaOH = H + Na2ZnO2 =>
Zn + 2 NaOH = 2 H + Na2ZnO2
HCl + HNO3 = H2O + NOCl + Cl =>
3 HCl + HNO3 = 2 H2O + NOCl + 2 Cl
Cr2O7{-2} + CH3CH2OH + H{+} = Cr{+3} + C2H4O2 + H2O =>
2 Cr2O7{-2} + 3 CH3CH2OH + 16 H{+} = 4 Cr{+3} + 3 C2H4O2 + 11 H2O
MgS = Mg + S8 =>
8 MgS = 8 Mg + S8
PbNO6 = PbO + NO2 + O2 =>
2 PbNO6 = 2 PbO + 2 NO2 + 3 O2
BeO + CrO3 = BeCrO4 =>
BeO + CrO3 = BeCrO4
Ag + Cd(NO3)2 = AgNO3 + Cd =>
2 Ag + Cd(NO3)2 = 2 AgNO3 + Cd
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
HCl + KI = KCl + HI =>
HCl + KI = KCl + HI
Pb + H2SO4 = Pb(SO4)2 + H2 =>
Pb + 2 H2SO4 = Pb(SO4)2 + 2 H2
Fe2O2 + H2S = FeS + H2O =>
Fe2O2 + 2 H2S = 2 FeS + 2 H2O
CaPO4 + Al(SO4) = Ca(SO4) + AlPO4 =>
CaPO4 + Al(SO4) = Ca(SO4) + AlPO4
CuCI2 + KI = CuI + KCI + I =>
CuCI2 + KI = CuI + KCI + I
Ba(NO3)2 + Na2CrO4 = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3
NO3 + PO4 = NO3PO4 =>
NO3 + PO4 = NO3PO4
Ca(OH)2(s) + H3PO4(aq) = Ca3(PO4)2(s) + H2O(l) =>
3 Ca(OH)2(s) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O(l)
CaHPO4 + NaOH = Na3PO4 + Ca(OH)2 + H2O =>
CaHPO4 + 3 NaOH = Na3PO4 + Ca(OH)2 + H2O
NaOH + H2SO4 = NaO4HS + H2O =>
NaOH + H2SO4 = NaO4HS + H2O
Cu + H2SO4 = Cu(SO4)2 + SO2 + H2O =>
Cu + 4 H2SO4 = Cu(SO4)2 + 2 SO2 + 4 H2O
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