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2 COH(g) + O2(g) = 2 CHO2(g)
(NH4)S + ZnCl2 = (NH4)Cl2 + ZnS =>
(NH4)S + ZnCl2 = (NH4)Cl2 + ZnS
Sn(CO3)2 = SnO2 + CO2 =>
Sn(CO3)2 = SnO2 + 2 CO2
Ir(OH)2 + HF = IrF2 + H2O =>
Ir(OH)2 + 2 HF = IrF2 + 2 H2O
Hg(NO3)2 + NaBrO3 = Hg(BrO3)2 + NaNO3 =>
Hg(NO3)2 + 2 NaBrO3 = Hg(BrO3)2 + 2 NaNO3
O4 + Br2 = OBr3 =>
O4 + 6 Br2 = 4 OBr3
CH2O2 + NaOH = H2O + NaCHOO =>
CH2O2 + NaOH = H2O + NaCHOO
Cu(NH3)4 + H2SO4 = CuSO4 + (NH4)2SO4 + H =>
Cu(NH3)4 + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Al + FeCl3 = AlCl3 + FeCl2 =>
Al + 3 FeCl3 = AlCl3 + 3 FeCl2
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
AlSO4 + I = Al + I(SO4)2 =>
2 AlSO4 + I = 2 Al + I(SO4)2
Fe2 + C6H8O7 = Fe2O3 + C6H5O4 + H =>
Fe2 + C6H8O7 = Fe2O3 + C6H5O4 + 3 H
H3As + Te(OH)2 = Te3As2 + H2O =>
2 H3As + 3 Te(OH)2 = Te3As2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
NH4PO4 + NaNO3 = NH4NO3 + NaPO4 =>
NH4PO4 + NaNO3 = NH4NO3 + NaPO4
G8 + O7 = GO =>
7 G8 + 8 O7 = 56 GO
HCl + MgBr2 = HBr + MgCl2 =>
2 HCl + MgBr2 = 2 HBr + MgCl2
KSCN + KMnO4 + HCl = SO2 + CO2 + NO + MnCl2 + KCl + H2O =>
5 KSCN + 11 KMnO4 + 38 HCl = 5 SO2 + 5 CO2 + 5 NO + 11 MnCl2 + 16 KCl + 19 H2O
C6H10O3 + H2O = CH4 + CO2 =>
2 C6H10O3 + 4 H2O = 7 CH4 + 5 CO2
(CN)2(g) + H2O(l) = H2C2O4(aq) + NH3(g) =>
(CN)2(g) + 4 H2O(l) = H2C2O4(aq) + 2 NH3(g)
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NO + H2O = N2O + OH =>
2 NO + H2O = N2O + 2 OH
Ca(MnO4)2 = Ca + MnO4 =>
Ca(MnO4)2 = Ca + 2 MnO4
Na2(CO3) + Ca(OH)2 = CaCO3 + NaOH =>
Na2(CO3) + Ca(OH)2 = CaCO3 + 2 NaOH
CuSO4 + BaCl2 = CuCl2 + BaSO4 =>
CuSO4 + BaCl2 = CuCl2 + BaSO4
NH4Cl(aq) + Pb(NO3)2(aq) = NH4NO3 + PbCl2 =>
2 NH4Cl(aq) + Pb(NO3)2(aq) = 2 NH4NO3 + PbCl2
CuSO3 + O2 = CuO + SO3 =>
2 CuSO3 + O2 = 2 CuO + 2 SO3
H4SiO4 + Ca(OH)2 = Ca2SiO4 + H2O =>
H4SiO4 + 2 Ca(OH)2 = Ca2SiO4 + 4 H2O
KOH + HNO3 = KNO3H2O =>
KOH + HNO3 = KNO3H2O
K2SO4 + Pb(CH3COO)2 = K2(CH3COO)2 + SO4Pb =>
K2SO4 + Pb(CH3COO)2 = K2(CH3COO)2 + SO4Pb
Al2(CO3)3 + BeCl2 = AlCl3 + BeCO3 =>
Al2(CO3)3 + 3 BeCl2 = 2 AlCl3 + 3 BeCO3
Co(CH3COO)2 + HNO3 + KNO2 = K3[Co(NO2)6] + KNO3 + CH3COOK + H2O =>
2 Co(CH3COO)2 + 2 HNO3 + 11 KNO2 = 2 K3[Co(NO2)6] + KNO3 + 4 CH3COOK + H2O
CO2 + H2O + N2 = H{+} + NO3{-} + CH4 =>
5 CO2 + 14 H2O + 4 N2 = 8 H{+} + 8 NO3{-} + 5 CH4
Na2Cr2O7 + KOH = K2Cr2O7 + NaOH =>
Na2Cr2O7 + 2 KOH = K2Cr2O7 + 2 NaOH
Al + SO4 = Al2(SO4) =>
2 Al + SO4 = Al2(SO4)
Zn + HCl + K2Cr2O7 = Cr2O3 + H2O + KCl + ZnCl2 =>
3 Zn + 8 HCl + K2Cr2O7 = Cr2O3 + 4 H2O + 2 KCl + 3 ZnCl2
Pb(NO3)2(aq) + NaOH(aq) = Pb(OH)2 + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaOH(aq) = Pb(OH)2 + 2 NaNO3(aq)
LiO + HBr = LiH + BrO =>
LiO + HBr = LiH + BrO
Fe(OH)3 + H2O2 + NaOH = Na2FeO4 + H2O =>
2 Fe(OH)3 + 3 H2O2 + 4 NaOH = 2 Na2FeO4 + 8 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
KMnO4 + KNO2 + NaOH = K2MnO4 + NaNO3 + H2 =>
2 KMnO4 + 2 KNO2 + 2 NaOH = 2 K2MnO4 + 2 NaNO3 + H2
C8H10 + KMnO4 + H2SO4 = C7H6 + K2SO4 + MnSO4 + H2O =>
35 C8H10 + 22 KMnO4 + 33 H2SO4 = 40 C7H6 + 11 K2SO4 + 22 MnSO4 + 88 H2O
SnO2 + KOH = K2SnO3 + H2O =>
SnO2 + 2 KOH = K2SnO3 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ga + H2SO4 = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2SO4 = Ga2(SO4)3 + 3 H2
Al + Cu(ClO3)4 = Cu + Al(ClO3)3 =>
4 Al + 3 Cu(ClO3)4 = 3 Cu + 4 Al(ClO3)3
I{-} + Al{3+} = I2 + Al =>
6 I{-} + 2 Al{3+} = 3 I2 + 2 Al
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
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