| Équations équilibrées la veille |
Ti + 4 FeSO4 = Ti(SO4)4 + 4 Fe
C2H4 + KMnO4 + H2O = C2H6O2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H6O2 + 2 MnO2 + 2 KOH
Ba(OH)2 + H3AsO4 = Ba3(AsO4)2 + H2O =>
3 Ba(OH)2 + 2 H3AsO4 = Ba3(AsO4)2 + 6 H2O
MnCl3 + KOH + KClO3 = KCl + K2MnO4 + H2O =>
2 MnCl3 + 10 KOH + KClO3 = 7 KCl + 2 K2MnO4 + 5 H2O
Cr(s) + H2O(g) = Cr(OH)2 + H2(g) =>
Cr(s) + 2 H2O(g) = Cr(OH)2 + H2(g)
Mg(NO3) + KOH = Mg(OH)2 + K2NO3 =>
Mg(NO3) + 2 KOH = Mg(OH)2 + K2NO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C6H12 + H2O + MnO4{-} + H{+} = C6H14O2 + Mn{2+} =>
5 C6H12 + 2 H2O + 2 MnO4{-} + 6 H{+} = 5 C6H14O2 + 2 Mn{2+}
Na2S2O8 + Na2S + H2O = Na2SO4 + H2SO4 =>
4 Na2S2O8 + Na2S + 4 H2O = 5 Na2SO4 + 4 H2SO4
Ca(OH)2 + H2SO4 = CaH2SO5 + H2O =>
Ca(OH)2 + H2SO4 = CaH2SO5 + H2O
NaI(s) + Br2(l) = NaBr2(l) + I2(s) =>
2 NaI(s) + 2 Br2(l) = 2 NaBr2(l) + I2(s)
As2S2 + H(NO3) = H(AsO3) + H2(SO4) + H2O + NO2 =>
As2S2 + 22 H(NO3) = 2 H(AsO3) + 2 H2(SO4) + 8 H2O + 22 NO2
CaCO3 + CH2O2 = Ca(CHOO)2 + H2O + CO2 =>
CaCO3 + 2 CH2O2 = Ca(CHOO)2 + H2O + CO2
H2 + K = H2K =>
H2 + K = H2K
Cr + H2C2O4 = H2 + Cr2(C2O4)3 =>
2 Cr + 3 H2C2O4 = 3 H2 + Cr2(C2O4)3
Ca3(PO4)2 + NaF = CaF2 + Na3PO4 =>
Ca3(PO4)2 + 6 NaF = 3 CaF2 + 2 Na3PO4
Ra(OH)2 + HCl = RaCl2 + H2O =>
Ra(OH)2 + 2 HCl = RaCl2 + 2 H2O
Br2(aq) + NaOH(aq) = NaBrO(aq) + NaBr(aq) + H2O(l) =>
Br2(aq) + 2 NaOH(aq) = NaBrO(aq) + NaBr(aq) + H2O(l)
FeSO4 + HNO3 = Fe(NO3)2 + H2SO4 =>
FeSO4 + 2 HNO3 = Fe(NO3)2 + H2SO4
I2O59 + BrF3 = IF5 + O2 + Br2 =>
6 I2O59 + 20 BrF3 = 12 IF5 + 177 O2 + 10 Br2
C2H5Br + H4 = C4H10 + HBr =>
4 C2H5Br + H4 = 2 C4H10 + 4 HBr
Fe(NO3)3 + SO2 + H2O = FeSO4 + NO + H2SO4 =>
Fe(NO3)3 + 5 SO2 + 4 H2O = FeSO4 + 3 NO + 4 H2SO4
CaCO3K2Cr2O7 = K2CO3CaCr2O7 =>
CaCO3K2Cr2O7 = K2CO3CaCr2O7
CO3{2-} + Ba{2+} = BaCO3 =>
CO3{2-} + Ba{2+} = BaCO3
NO(g) + H2(g) = NH3(g) + H2O(g) =>
2 NO(g) + 5 H2(g) = 2 NH3(g) + 2 H2O(g)
SO2 + PH3 + H2O = S4O6{2-} + PO4{3-} + H{+} =>
16 SO2 + 3 PH3 + 4 H2O = 4 S4O6{2-} + 3 PO4{3-} + 17 H{+}
AlPb(SO4)2 = Al(SO4)2Pb =>
AlPb(SO4)2 = Al(SO4)2Pb
Fe(C2H3O2)2 + Ag = Fe + Ag(C2H3O2) =>
Fe(C2H3O2)2 + 2 Ag = Fe + 2 Ag(C2H3O2)
I2 + NaClO + KOH = KIO3 + NaCl + H2O =>
I2 + 5 NaClO + 2 KOH = 2 KIO3 + 5 NaCl + H2O
Mg + SnO = MgO + Sn =>
Mg + SnO = MgO + Sn
P + Cl6 = PCl4 =>
3 P + 2 Cl6 = 3 PCl4
(C2H5)2NH2NO2 + HCl = (C2H5)2NH2Cl + HNO2 =>
(C2H5)2NH2NO2 + HCl = (C2H5)2NH2Cl + HNO2
NiS + NH3 + O2 = [Ni(NH3)6]SO4 =>
NiS + 6 NH3 + 2 O2 = [Ni(NH3)6]SO4
CH3OH + C6H4(OH)COOH = H2O + C8H8O3 =>
CH3OH + C6H4(OH)COOH = H2O + C8H8O3
Fe(NO3)3 + SO2 + H2O = FeSO4 + NO + H2SO4 =>
Fe(NO3)3 + 5 SO2 + 4 H2O = FeSO4 + 3 NO + 4 H2SO4
SnCl2 + K3[Fe(CN)6] + KCl = SnCl4 + K4[Fe(CN)6] =>
SnCl2 + 2 K3[Fe(CN)6] + 2 KCl = SnCl4 + 2 K4[Fe(CN)6]
CaCo3 + NaHCO3 = Ca(HCO3)2 + Na2Co3 =>
CaCo3 + 2 NaHCO3 = Ca(HCO3)2 + Na2Co3
C2H7NO2 + O2 = CO2 + H2O + NH3 =>
C2H7NO2 + 2 O2 = 2 CO2 + 2 H2O + NH3
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu =>
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu
BaCl2 + Ra + H2SO4 = BaRaSO4 + Cl + H =>
BaCl2 + Ra + H2SO4 = BaRaSO4 + 2 Cl + 2 H
C2H5Cl + Na + Pb = Pb(C2H5)4 + NaCl =>
4 C2H5Cl + 4 Na + Pb = Pb(C2H5)4 + 4 NaCl
Fe(NO3)3 + SO2 + H2O = FeSO4 + NO + H2SO4 =>
Fe(NO3)3 + 5 SO2 + 4 H2O = FeSO4 + 3 NO + 4 H2SO4
CH3COOH = CH3CH2CH2COOH + CO2 + H2O =>
5 CH3COOH = 2 CH3CH2CH2COOH + 2 CO2 + 2 H2O
C + CoSO4*7H2O + KClO3 + H2O2 = KCoO4 + K2SO4 + CClO2 + H2O =>
3 C + CoSO4*7H2O + 3 KClO3 + H2O2 = KCoO4 + K2SO4 + 3 CClO2 + 8 H2O
Fe(NO3)3 + SO2 + H2O = FeSO4 + NO + H2SO4 =>
Fe(NO3)3 + 5 SO2 + 4 H2O = FeSO4 + 3 NO + 4 H2SO4
Na2CO3 + CuCl2 = Na2Cl2 + CuCO3 =>
Na2CO3 + CuCl2 = Na2Cl2 + CuCO3
HI(aq) + KHCO3(aq) = KI + H2O + CO2 =>
HI(aq) + KHCO3(aq) = KI + H2O + CO2
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
C12H22O16 + O2 = CO2 + H2O =>
2 C12H22O16 + 19 O2 = 24 CO2 + 22 H2O
Fe + C = Fe2C2 =>
2 Fe + 2 C = Fe2C2
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