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4 AgNO3 + HCHO + 4 NaOH = 4 Ag + 4 NaNO3 + 3 H2O + CO2
(NH4)3AsO4 + Li2S = Li3AsO4 + (NH4)2S =>
2(NH4)3AsO4 + 3 Li2S = 2 Li3AsO4 + 3(NH4)2S
AlOAsO3 = AlAsO4 =>
AlOAsO3 = AlAsO4
H2SO4 + KOH = K2(SO4) + H2O =>
H2SO4 + 2 KOH = K2(SO4) + 2 H2O
He8 + O2 = HeO3 =>
He8 + 12 O2 = 8 HeO3
Mg(NO3)2 + LiOH = MgOHLi(NO3)2 =>
Mg(NO3)2 + LiOH = MgOHLi(NO3)2
Fe3O4 + HCl = Fe2Cl + FeCl3 + H2O =>
5 Fe3O4 + 40 HCl = Fe2Cl + 13 FeCl3 + 20 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
O5O = O =>
O5O = 6 O
NaBrAgNO3 = NaNO3AgBr =>
NaBrAgNO3 = NaNO3AgBr
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Na2S + AlCl3 + H2O = H2S + Al(OH)3 + NaCl =>
3 Na2S + 2 AlCl3 + 6 H2O = 3 H2S + 2 Al(OH)3 + 6 NaCl
CH3CH2OH + Mg = (CH3CHO)2Mg + H2 =>
2 CH3CH2OH + Mg = (CH3CHO)2Mg + 2 H2
Na2S + AlCl3 + H2O = H2S + Al(OH)3 + NaCl =>
3 Na2S + 2 AlCl3 + 6 H2O = 3 H2S + 2 Al(OH)3 + 6 NaCl
CH3Cl + Mg = CH3MgCl =>
CH3Cl + Mg = CH3MgCl
Al(OH)3 + HCl = AlCl2 + H2(OH)3 =>
Al(OH)3 + 2 HCl = AlCl2 + H2(OH)3
NaCl + H2O = Na + H2OCl =>
NaCl + H2O = Na + H2OCl
HNO3(aq) + Na2CO3 = NaNO3(aq) + CO2(g) + H2O =>
2 HNO3(aq) + Na2CO3 = 2 NaNO3(aq) + CO2(g) + H2O
Br2 + N2H4 = HBr + N2 =>
2 Br2 + N2H4 = 4 HBr + N2
CH3COONH4 + P4O10 = CH3CONH2 + H3PO4 =>
6 CH3COONH4 + P4O10 = 6 CH3CONH2 + 4 H3PO4
CaO + H2 = Ca(OH2) =>
CaO + H2 = Ca(OH2)
O2 + CHCl3 = H2O + Cl2 + COCl2 =>
3 O2 + 4 CHCl3 = 2 H2O + 2 Cl2 + 4 COCl2
Cr2O3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
Cr2O3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 5 H2O
O2 + Cl2 = Cl2O =>
O2 + 2 Cl2 = 2 Cl2O
Al(SO4)3 + Ca(NO3)2 = Al(NO3)3 + Ca(SO4)2 =>
2 Al(SO4)3 + 3 Ca(NO3)2 = 2 Al(NO3)3 + 3 Ca(SO4)2
BeO + HCl = BeCl + OH =>
BeO + HCl = BeCl + OH
KI + Cu(SO4) = CuI2 + K2SO4 =>
2 KI + Cu(SO4) = CuI2 + K2SO4
K2S2O8 + H2O + Ag = Ag2O2 + H2SO4 + K2SO4 =>
2 K2S2O8 + 2 H2O + 2 Ag = Ag2O2 + 2 H2SO4 + 2 K2SO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
FeCl2 + H2SO4 = FeSO4 + Cl2H2 =>
FeCl2 + H2SO4 = FeSO4 + Cl2H2
Na2S + AlCl3 + H2O = H2S + Al(OH)3 + NaCl =>
3 Na2S + 2 AlCl3 + 6 H2O = 3 H2S + 2 Al(OH)3 + 6 NaCl
H2CO3 + HCl = H3O + Cl + CO2 =>
H2CO3 + HCl = H3O + Cl + CO2
BaSO4 + H2 = Ba + H2SO4 =>
BaSO4 + H2 = Ba + H2SO4
Zn(NO3)2(aq) + Mg(NO3)2 = Zn(NO3)4Mg =>
Zn(NO3)2(aq) + Mg(NO3)2 = Zn(NO3)4Mg
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
Ag + Li = AgLi =>
Ag + Li = AgLi
Ca(Na3)2 + Na2CO3 = CaCO3 + Na7 =>
7 Ca(Na3)2 + 7 Na2CO3 = 7 CaCO3 + 8 Na7
Fe2N = Fe + N2 =>
2 Fe2N = 4 Fe + N2
Al2SO4 + BaCl2 = AlCl + BaSO4 =>
Al2SO4 + BaCl2 = 2 AlCl + BaSO4
NH4Cl + K2[HgI4] + NaOH = [Hg2NH2O]I + NaCl + H2O + KI + NaI =>
NH4Cl + 2 K2[HgI4] + 4 NaOH = [Hg2NH2O]I + NaCl + 3 H2O + 4 KI + 3 NaI
Mg + FeSO4 = MgFe + (SO4)2 =>
2 Mg + 2 FeSO4 = 2 MgFe + (SO4)2
Na2SiO3ZnO = Na2OZnSiO3 =>
Na2SiO3ZnO = Na2OZnSiO3
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
MgCO3 + HClO4 = CO2 + Mg(ClO4)2 + H2O =>
MgCO3 + 2 HClO4 = CO2 + Mg(ClO4)2 + H2O
FeTiO3 + NH4F + O2 = (NH4)2TiF6 + H2O + NH3 + Fe2O3 =>
4 FeTiO3 + 24 NH4F + O2 = 4(NH4)2TiF6 + 8 H2O + 16 NH3 + 2 Fe2O3
AuCl3 + KI = AuCl + KCl + I =>
AuCl3 + 2 KI = AuCl + 2 KCl + 2 I
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
21 C6H5CH(OH)CH3 + 20 K2Cr2O7 + 80 H2SO4 = 20 Cr2(SO4)3 + 20 K2SO4 + 24 C6H5COOH + 113 H2O
S + OH{-} = SO3{2-} + S{2-} + H2O =>
3 S + 6 OH{-} = SO3{2-} + 2 S{2-} + 3 H2O
H2 + S = H2S =>
H2 + S = H2S
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