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(H2SO4) = SO3 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaI + H2SO4 = HIO3 + H2S + Na2SO4 =>
4 NaI + 5 H2SO4 = 4 HIO3 + 3 H2S + 2 Na2SO4
Cu + HNO3 = Cu(HNO3)2 =>
Cu + 2 HNO3 = Cu(HNO3)2
(NH4)2S + KOH = K2S + NH4OH =>
(NH4)2S + 2 KOH = K2S + 2 NH4OH
ZnCl + NaCr = ZnCr + ClNa =>
ZnCl + NaCr = ZnCr + ClNa
H2S3O6 + Cl2 + NaOH = Na2SO4 + NaCl + H2O =>
H2S3O6 + 4 Cl2 + 14 NaOH = 3 Na2SO4 + 8 NaCl + 8 H2O
(NH4)2S(aq) + CoCl2(aq) = NH4Cl + CoS =>
(NH4)2S(aq) + CoCl2(aq) = 2 NH4Cl + CoS
C2H5OH + CH3COOH = C6H12O2 + H2O =>
2 C2H5OH + CH3COOH = C6H12O2 + 2 H2O
SnCl + HCl = SnH + Cl =>
SnCl + HCl = SnH + 2 Cl
CrS + H2SO3 = CrSO3 + H2S =>
CrS + H2SO3 = CrSO3 + H2S
(C2H6) + (O2) = (CO2) + (H2O) =>
2(C2H6) + 7(O2) = 4(CO2) + 6(H2O)
AgClO3 + LiOH = AgOH + LiClO3 =>
AgClO3 + LiOH = AgOH + LiClO3
FeO3H3 + H3PO4 = FePO4 + H2O =>
FeO3H3 + H3PO4 = FePO4 + 3 H2O
Fe + H2SO4 = Fe2(SO4)37 + H2 =>
2 Fe + 37 H2SO4 = Fe2(SO4)37 + 37 H2
Na + Cl2 = NaCl2 = H2 =>
Na + Cl2 = NaCl2
Zn(NO3)2 + Ca = Ca(NO3)2 + Zn =>
Zn(NO3)2 + Ca = Ca(NO3)2 + Zn
SO3 + H3PO4 = H2SO3 + PO4 =>
3 SO3 + 2 H3PO4 = 3 H2SO3 + 2 PO4
S(OH) + HCl = SCl + HOH =>
S(OH) + HCl = SCl + HOH
Ni + AgClO4 = NiClO4 + Ag =>
Ni + AgClO4 = NiClO4 + Ag
NaF + KOH = KF + NaOH =>
NaF + KOH = KF + NaOH
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
CrO3Cr = Cr2O3 =>
CrO3Cr = Cr2O3
KCl + KClO3 + HBr = Cl2 + KBr + H2O =>
5 KCl + KClO3 + 6 HBr = 3 Cl2 + 6 KBr + 3 H2O
barium + fluorine = bariumfluoride =>
Ba + F2 = BaF2
KSCN + NaOH = KOHNaSCN =>
KSCN + NaOH = KOHNaSCN
Mg6Al2CO3(OH)16*4H2O + HCl = MgCl2 + AlCl3 + CO2 + H2O =>
Mg6Al2CO3(OH)16*4H2O + 18 HCl = 6 MgCl2 + 2 AlCl3 + CO2 + 21 H2O
Br3F = Br + F =>
Br3F = 3 Br + F
Mg(NO3)2(s) = MgO(s) + NO2(g) + O2(g) =>
2 Mg(NO3)2(s) = 2 MgO(s) + 4 NO2(g) + O2(g)
Fe + Nb + C = FeNbC =>
Fe + Nb + C = FeNbC
Zn + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
SrBr2 + AlCl3 = SrCl2 + AlBr3 =>
3 SrBr2 + 2 AlCl3 = 3 SrCl2 + 2 AlBr3
Al(s) + CuNO3(aq) = Al(NO3)3(aq) + Cu(s) =>
Al(s) + 3 CuNO3(aq) = Al(NO3)3(aq) + 3 Cu(s)
C8H8O3 + H2O2 = CO2 + H2O =>
C8H8O3 + 17 H2O2 = 8 CO2 + 21 H2O
MgBa = Mg + Ba =>
MgBa = Mg + Ba
AgNO3(aq) + NaC(aq)l = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaC(aq)l = AgCl(s) + NaNO3(aq)
Si(CH3)4 + O2 = SiO2 + CO + H2O =>
Si(CH3)4 + 6 O2 = SiO2 + 4 CO + 6 H2O
Cr(OH)2 + HClO2 = Cr(ClO2)2 + H2O =>
Cr(OH)2 + 2 HClO2 = Cr(ClO2)2 + 2 H2O
ClO{-} + I{-} + H2O = I3{-} + Cl{-} + OH{-} =>
ClO{-} + 3 I{-} + H2O = I3{-} + Cl{-} + 2 OH{-}
Al(C2H3O2)3 + HNO3 = Al(NO3)3 + HC2H3O2 =>
Al(C2H3O2)3 + 3 HNO3 = Al(NO3)3 + 3 HC2H3O2
C2H5OH + Na = CH3CH2ONa + H2 =>
2 C2H5OH + 2 Na = 2 CH3CH2ONa + H2
Mn(HSO4)2 + K = KHSO4 + Mn =>
Mn(HSO4)2 + 2 K = 2 KHSO4 + Mn
Na2CO3 + NaNO3 + MnO = Na2MnO4 + NO + CO2 =>
Na2CO3 + 4 NaNO3 + 3 MnO = 3 Na2MnO4 + 4 NO + CO2
Me + HCl = MeCl2 + H2 =>
Me + 2 HCl = MeCl2 + H2
C9H10O + CH5N = C10H13N + H2O =>
C9H10O + CH5N = C10H13N + H2O
FeCl3 + C7H6O3 = Fe(C7H6O3)3 + Cl =>
FeCl3 + 3 C7H6O3 = Fe(C7H6O3)3 + 3 Cl
ClO{-} + I{-} + H2O = Cl{-} + I + OH{-} =>
ClO{-} + 2 I{-} + H2O = Cl{-} + 2 I + 2 OH{-}
AgNO3(aq) + CaCl2(aq) = AgCl(s) + Ca(NO3)2(aq)* =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(NO3)2(aq)*
Ca + CuSO4 = CaSO4 + Cu =>
Ca + CuSO4 = CaSO4 + Cu
Al{3+} + Co = Co{2+} + Al =>
2 Al{3+} + 3 Co = 3 Co{2+} + 2 Al
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