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Fe3O4 + Fe = 2 Fe2O2
C9H19COH + O2 = CO2 + H2O =>
2 C9H19COH + 29 O2 = 20 CO2 + 20 H2O
Re + O2 + KBr + HBr = K2ReBr6 + H2O =>
Re + O2 + 2 KBr + 4 HBr = K2ReBr6 + 2 H2O
HI + K2SO3 = H2O + SO2 + KI =>
2 HI + K2SO3 = H2O + SO2 + 2 KI
HNO3 + Se + HCl = H2O + NO + SeCl4 =>
4 HNO3 + 3 Se + 12 HCl = 8 H2O + 4 NO + 3 SeCl4
NH4Cl + Hg(C2H3O2) = NH4C2H3O2 + Hg2Cl2 =>
2 NH4Cl + 2 Hg(C2H3O2) = 2 NH4C2H3O2 + Hg2Cl2
Mg(NO3)2 + KH2PO4 = Mg(H2PO4)2 + KNO3 =>
Mg(NO3)2 + 2 KH2PO4 = Mg(H2PO4)2 + 2 KNO3
Li*Cl = Li + Cl =>
Li*Cl = Li + Cl
Fe(SO4) + AgNO3 = Fe(NO3)2 + Ag2(SO4) =>
Fe(SO4) + 2 AgNO3 = Fe(NO3)2 + Ag2(SO4)
Ca + H2O = Ca(OH)2 + H2 = = Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CuS + Pb = PbS + Cu =>
CuS + Pb = PbS + Cu
KNO2 + NaHCO3 = HNO2 + Na2CO3 + K2CO3 =>
2 KNO2 + 2 NaHCO3 = 2 HNO2 + Na2CO3 + K2CO3
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
Fe + NH3 = Fe2N + H2 =>
4 Fe + 2 NH3 = 2 Fe2N + 3 H2
Cu(aq) + NaOH = Cu(OH) + Na* =>
Cu(aq) + NaOH = Cu(OH) + Na*
CuO + Cl2 = Cu2Cl + O2 =>
4 CuO + Cl2 = 2 Cu2Cl + 2 O2
PdCl2 + HNo3 = Pd(No3)2 + HCl =>
PdCl2 + 2 HNo3 = Pd(No3)2 + 2 HCl
H2O + SCl = S2O + HCl =>
H2O + 2 SCl = S2O + 2 HCl
MnO4 + NH3 = NO3 + MnO2 + H2 =>
3 MnO4 + 2 NH3 = 2 NO3 + 3 MnO2 + 3 H2
Na2SO4 + Cu(NO3)2 = Na2NO3 + SO4 + (Cu)2 =>
4 Na2SO4 + 2 Cu(NO3)2 = 4 Na2NO3 + 4 SO4 + (Cu)2
Cu(NO3)2(aq) + Li2S(aq) = LiNO3 + CuS =>
Cu(NO3)2(aq) + Li2S(aq) = 2 LiNO3 + CuS
FeS2 + KOH = Fe(OH)3 + K2S + S =>
2 FeS2 + 6 KOH = 2 Fe(OH)3 + 3 K2S + S
Ca(IO3)2 = CaI2 + O2 =>
Ca(IO3)2 = CaI2 + 3 O2
K2SO3 + H2S = K2S + H2SO3 =>
K2SO3 + H2S = K2S + H2SO3
NaI + KNO3 = KI + NaNO3 =>
NaI + KNO3 = KI + NaNO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
SO2 + KOH = SO2H + KO =>
SO2 + KOH = SO2H + KO
CaNi(PO4) = Ca(PO4)Ni =>
CaNi(PO4) = Ca(PO4)Ni
AlCl3 + Na2S + H2O = NaCl + H2S + Al(OH)3 =>
2 AlCl3 + 3 Na2S + 6 H2O = 6 NaCl + 3 H2S + 2 Al(OH)3
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
K2Cr2O7 + HCl + FeSO4 = KCl + CrCl3 + FeCl3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 14 HCl + 6 FeSO4 = 2 KCl + 2 CrCl3 + 2 FeCl3 + 2 Fe2(SO4)3 + 7 H2O
COO = CO2 =>
COO = CO2
NaOH + NH4NO3 = NH3 + NaNO3 + OH =>
5 NaOH + 6 NH4NO3 = 7 NH3 + 5 NaNO3 + 8 OH
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
H2C2O4 + KMnO4 + KHCO3 = K3(Mn(C2O4)) + CO2 + H2O =>
5 H2C2O4 + KMnO4 + 2 KHCO3 = K3(Mn(C2O4)) + 10 CO2 + 6 H2O
Strontiumoxide + water = Strontiumhydroxide =>
SrO + H2O = Sr(OH)2
H3C6H5O7 + Fe2O3 = FeC6H5O7 + H2O =>
2 H3C6H5O7 + Fe2O3 = 2 FeC6H5O7 + 3 H2O
Ca(HCO3)2 + LiCl = Li(HCO3) + CaCl2 =>
Ca(HCO3)2 + 2 LiCl = 2 Li(HCO3) + CaCl2
Sr + H2SO4 = SrSO4 + SO2 + H2O =>
Sr + 2 H2SO4 = SrSO4 + SO2 + 2 H2O
B + Cl2 = BCl3 =>
2 B + 3 Cl2 = 2 BCl3
Ni(OH)2 + HNO3 = NiOH(NO3) + H2O =>
Ni(OH)2 + HNO3 = NiOH(NO3) + H2O
PhO + NaBH4 + H2O = PhOH + NaH2BO3 =>
8 PhO + NaBH4 + 3 H2O = 8 PhOH + NaH2BO3
KMnO4 + Na2S203 + H2SO4 = K2SO4 + MnSO4 + Na2SO2 + H2O =>
1216 KMnO4 + 5 Na2S203 + 814 H2SO4 = 608 K2SO4 + 1216 MnSO4 + 5 Na2SO2 + 814 H2O
NaOH + SO3 = NaO + S(OH)3 =>
3 NaOH + SO3 = 3 NaO + S(OH)3
CaCO3 + HNO3 = Ca(NO3)2CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2CO2 + H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
FeCl3(aq) + FeSO4(aq) = Fe(SO4)3(aq) + FeCl(aq) =>
FeCl3(aq) + 3 FeSO4(aq) = Fe(SO4)3(aq) + 3 FeCl(aq)
HCl + NH4Br = HBr + NH4Cl =>
HCl + NH4Br = HBr + NH4Cl
Al2O3 + ZnO = Al2ZnO4 =>
Al2O3 + ZnO = Al2ZnO4
BeF2 + SiF4 + H2O = BeSiO3 + HF =>
BeF2 + SiF4 + 3 H2O = BeSiO3 + 6 HF
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