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2 H2SO4 + S + H2O = 3 H2SO3
(FeOH)2SO4 + H2SO4 = FeSO4 + H2O =>
(FeOH)2SO4 + H2SO4 = 2 FeSO4 + 2 H2O
H2SO4 + S + H2O = H2SO3 =>
2 H2SO4 + S + H2O = 3 H2SO3
FeSO4 + K3Fe(CN)6 = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3Fe(CN)6 = Fe3[Fe(CN)6]2 + 3 K2SO4
MgCO3 + Al(OH)3 = Mg(OH)2 + Al2(CO3)3 =>
3 MgCO3 + 2 Al(OH)3 = 3 Mg(OH)2 + Al2(CO3)3
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
CH3CH2CH2CH3 + Br2 = CH3CH2CHBrCH3 + HBr =>
CH3CH2CH2CH3 + Br2 = CH3CH2CHBrCH3 + HBr
C2H5OH(l) + O2(g) = CH3CO2H(l) + H2O(l) =>
C2H5OH(l) + O2(g) = CH3CO2H(l) + H2O(l)
C2H4O + NH3 = C4H11O2N =>
2 C2H4O + NH3 = C4H11O2N
K2Cr2O7 + HCl + KI = I2 + CrCl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl + 8 KI = 4 I2 + 2 CrCl2 + 10 KCl + 7 H2O
KMnO4 + Na2(COO)2 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 + Na2SO4 =>
2 KMnO4 + 5 Na2(COO)2 + 8 H2SO4 = 10 CO2 + 8 H2O + K2SO4 + 2 MnSO4 + 5 Na2SO4
C2H4O + NH3 = C4H11O2N =>
2 C2H4O + NH3 = C4H11O2N
CH3CH2CH2CH3 + Br2 = CH3CH2CH2CH2* + HBr =>
2 CH3CH2CH2CH3 + Br2 = 2 CH3CH2CH2CH2* + 2 HBr
NaCl2 + SO2 + H2O = Na2SO4 + HCl =>
2 NaCl2 + SO2 + 2 H2O = Na2SO4 + 4 HCl
CH3CH2CH2CH3 + Br2 = CH3CHBrCHBrCH3 + HBr =>
CH3CH2CH2CH3 + 2 Br2 = CH3CHBrCHBrCH3 + 2 HBr
Li2SO4 + Ba3(PO4)2 = Li3PO4 + BaSO4 =>
3 Li2SO4 + Ba3(PO4)2 = 2 Li3PO4 + 3 BaSO4
K + HCl = K2Cl + H2 =>
4 K + 2 HCl = 2 K2Cl + H2
Na4523 = Na =>
Na4523 = 4523 Na
Cu + KOH = K + Cu(OH)2 =>
Cu + 2 KOH = 2 K + Cu(OH)2
Bi(OH)3 + SnO2{2-} = Bi + SnO3{2-} + H2O =>
2 Bi(OH)3 + 3 SnO2{2-} = 2 Bi + 3 SnO3{2-} + 3 H2O
MnO2 + NaNO3 + NaOH = Na2MnO4 + NaNO2 + H2O =>
MnO2 + NaNO3 + 2 NaOH = Na2MnO4 + NaNO2 + H2O
H2SO4 + S + H2O = H2SO3 =>
2 H2SO4 + S + H2O = 3 H2SO3
LiOH + HClO4 = H2O + LiClO4 =>
LiOH + HClO4 = H2O + LiClO4
NH3 + HBr = NH3HBr =>
NH3 + HBr = NH3HBr
Fe + Pd2 = FePd =>
2 Fe + Pd2 = 2 FePd
C2H4O + NH3 = H2NCH2CH2OH =>
C2H4O + NH3 = H2NCH2CH2OH
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
AgNO3 + MgCl{2} = AgCl + Mg(NO3){2} =>
AgNO3 + MgCl{2} = AgCl + Mg(NO3){2}
PbO2 + C4 = Pb + CO =>
2 PbO2 + C4 = 2 Pb + 4 CO
CaO + SO4 = (CaO)2SO4 =>
2 CaO + SO4 = (CaO)2SO4
C2H4O + NH3 = C6H15NO3 =>
3 C2H4O + NH3 = C6H15NO3
Ca(HCO3)2 + H2O = H2CO3 + Ca(OH)2 =>
Ca(HCO3)2 + 2 H2O = 2 H2CO3 + Ca(OH)2
Fe + HBr = FeBr + H2 =>
2 Fe + 2 HBr = 2 FeBr + H2
C2H8OH + O2 = CO2 + H2O =>
4 C2H8OH + 15 O2 = 8 CO2 + 18 H2O
C3H8 + O2 = CO2 + H2O4 =>
C3H8 + 11 O2 = 3 CO2 + 4 H2O4
NH4CN + CH3COCH3 = (CH3)2C(NH2)CN + H2O =>
NH4CN + CH3COCH3 = (CH3)2C(NH2)CN + H2O
Na + Br2 = NaBr = =>
2 Na + Br2 = 2 NaBr
C2H4O + NH3 = C4H11O2N =>
2 C2H4O + NH3 = C4H11O2N
Bi2S3 + H2SO4 = Bi3(SO4)2 + SO3 + H =>
3 Bi2S3 + 31 H2SO4 = 2 Bi3(SO4)2 + 36 SO3 + 62 H
Cr2 + CO3 = CrCO3 =>
Cr2 + 2 CO3 = 2 CrCO3
C2H4O + NH3 = C4H11NO2 =>
2 C2H4O + NH3 = C4H11NO2
H3BO3 + CH3CH2OH = (CH3CH2)H2BO3 + H2O =>
H3BO3 + CH3CH2OH = (CH3CH2)H2BO3 + H2O
Na2CO3 + H2O = NaHCO3 + NaOH =>
Na2CO3 + H2O = NaHCO3 + NaOH
H2S + HSO3 = HS + H2O =>
6 H2S + HSO3 = 7 HS + 3 H2O
OH{-} + Cr(OH)4{-} + H2O2 = CrO4{2-} + H2O =>
2 OH{-} + 2 Cr(OH)4{-} + 3 H2O2 = 2 CrO4{2-} + 8 H2O
CuSO4 + I{-} = CuI + I3{-} + SO4{-2} =>
2 CuSO4 + 5 I{-} = 2 CuI + I3{-} + 2 SO4{-2}
Ga + O2 = GaO =>
2 Ga + O2 = 2 GaO
C2H4O + NH3 = C6H7N + H + O =>
3 C2H4O + NH3 = C6H7N + 8 H + 3 O
PBr3 = P4 + Br2 =>
4 PBr3 = P4 + 6 Br2
CaCl2(ac) + Na2CO3(ac) = CaCO3 + NaCl =>
CaCl2(ac) + Na2CO3(ac) = CaCO3 + 2 NaCl
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