| Équations équilibrées la veille |
CuCl2 + SO2 + 2 H2O = 2 HCl + Cu + H2SO4
HBr + CuCl2 = HCl2 + CuBr =>
HBr + CuCl2 = HCl2 + CuBr
Fe + HClO4 = FeClO4 + H2 =>
2 Fe + 2 HClO4 = 2 FeClO4 + H2
Co(NO3)2 + H2SO4 = H(NO3) + CoSO4 =>
Co(NO3)2 + H2SO4 = 2 H(NO3) + CoSO4
B + Br2 = BBr =>
2 B + Br2 = 2 BBr
SO2{-2} + OH = SO3{-2} + H2O =>
SO2{-2} + 2 OH = SO3{-2} + H2O
HClO + Cu(OH)2 = Cu(ClO)2 + H2O =>
2 HClO + Cu(OH)2 = Cu(ClO)2 + 2 H2O
Fe3O4 + H2O = Fe2O3 + H2 =>
2 Fe3O4 + H2O = 3 Fe2O3 + H2
Cr(OH)3 + HCl = H2O + Cr + Cl =>
Cr(OH)3 + 3 HCl = 3 H2O + Cr + 3 Cl
HPO3 + K2O = K3PO4 + H2O =>
2 HPO3 + 3 K2O = 2 K3PO4 + H2O
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
BaCl2 + Sb2(SO4)3 = BaSO4 + SbCl3 =>
3 BaCl2 + Sb2(SO4)3 = 3 BaSO4 + 2 SbCl3
Ni + Na2 = NiNa2 =>
Ni + Na2 = NiNa2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cu{+} + Cl{-} = CuCl3{2-} =>
Cu{+} + 3 Cl{-} = CuCl3{2-}
Na2SiO3 = SiO2Na2O =>
Na2SiO3 = SiO2Na2O
Zn3P2 + Na = Na3P + Zn =>
Zn3P2 + 6 Na = 2 Na3P + 3 Zn
H3BO3 + Mg = MgH + BO3 =>
H3BO3 + 3 Mg = 3 MgH + BO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(Na2CO3)*(NaHCO3)2 = (H2O) + CO2 + (Na2CO3) =>
(Na2CO3)*(NaHCO3)2 = (H2O) + CO2 + 2(Na2CO3)
NH4OH = NH4{-} + OH{+} =>
NH4OH = NH4{-} + OH{+}
BF3 + HF = HBF4 =>
BF3 + HF = HBF4
N2H4 + CuSO4 + NaOH = Cu2O + N2 + Na2SO4 + H2O =>
N2H4 + 4 CuSO4 + 8 NaOH = 2 Cu2O + N2 + 4 Na2SO4 + 6 H2O
N2 + P = N2P =>
N2 + P = N2P
Na2S(aq) + CdSO4(aq) = Na2SO4(aq) + SCd(s) =>
Na2S(aq) + CdSO4(aq) = Na2SO4(aq) + SCd(s)
Ca + S = CaS =>
Ca + S = CaS
FeBr3 + KOH = Fe(OH)3 + KBr =>
FeBr3 + 3 KOH = Fe(OH)3 + 3 KBr
FeO4 + Zn = ZnO + Fe =>
FeO4 + 4 Zn = 4 ZnO + Fe
NaCrO2 + Br2 + NaOH = NaCrO4 + NaBr + H2O =>
NaCrO2 + 2 Br2 + 4 NaOH = NaCrO4 + 4 NaBr + 2 H2O
C7H12O + K2Cr2O7 + H2SO4 = C7H12O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C7H12O + K2Cr2O7 + 4 H2SO4 = 3 C7H12O2 + K2SO4 + Cr2(SO4)3 + 4 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mn(ClO3)2(s) = MnCl2(s) + O2(g) =>
Mn(ClO3)2(s) = MnCl2(s) + 3 O2(g)
C6H5CH2CH3 + NaOCl = C6H5CH2CH2Cl + NaOH =>
C6H5CH2CH3 + NaOCl = C6H5CH2CH2Cl + NaOH
BaSO4H2O2 = Ba(OH)2SO4 =>
BaSO4H2O2 = Ba(OH)2SO4
HSO4 + KH = KSO4 + H =>
HSO4 + KH = KSO4 + 2 H
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C7H8 + KI + Br2 = C7H7(KI) + HBr =>
2 C7H8 + 2 KI + Br2 = 2 C7H7(KI) + 2 HBr
P + S = P4S6 =>
4 P + 6 S = P4S6
Na3(PO4) + Ca(OH)2 = Na(OH) + Ca3(PO4)2 =>
2 Na3(PO4) + 3 Ca(OH)2 = 6 Na(OH) + Ca3(PO4)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KAlO2 + NH3 = Al + KOH + KNO3 + H2O =>
8 KAlO2 + 3 NH3 = 8 Al + 5 KOH + 3 KNO3 + 2 H2O
H2O + Cd + Ni2O3 = Cd(OH)2 + Ni(OH)2 =>
3 H2O + Cd + Ni2O3 = Cd(OH)2 + 2 Ni(OH)2
CaCl2 + NaOH + H2O2 = CaO2 + NaCl + H2O =>
CaCl2 + 2 NaOH + H2O2 = CaO2 + 2 NaCl + 2 H2O
Pb(NO3)2 + ZnSO4 = Zn(NO3)2 + PbSO4 =>
Pb(NO3)2 + ZnSO4 = Zn(NO3)2 + PbSO4
HCOOH + ZnO = Zn + HCOO + H2O =>
2 HCOOH + ZnO = Zn + 2 HCOO + H2O
Pb + NH4OH = Pb(NH3) + H2O =>
Pb + NH4OH = Pb(NH3) + H2O
K2CrO4 + Hg2(NO3) = K2(NO3) + Hg2CrO4 =>
K2CrO4 + Hg2(NO3) = K2(NO3) + Hg2CrO4
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
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