| Équations équilibrées la veille |
2 Cr2O7{2-} + 2 H2O + 3 S = 3 SO2 + 4 OH{-} + 2 Cr2O3
Fe2CO3 + C = Fe + CO =>
Fe2CO3 + 2 C = 2 Fe + 3 CO
H2SO4(aw) + NaOH = H2O + Na2SO4 =>
H2SO4(aw) + 2 NaOH = 2 H2O + Na2SO4
Mg(s) + H3O(aq) = MgO + H3Mg =>
2 Mg(s) + H3O(aq) = MgO + H3Mg
H2SO4 + H2O = H3O{+} + SO4{2-} =>
H2SO4 + 2 H2O = 2 H3O{+} + SO4{2-}
C3H8 + N6Cl12 = H12 + N6 + C3Cl12 =>
3 C3H8 + 3 N6Cl12 = 2 H12 + 3 N6 + 3 C3Cl12
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
NaOH + KI = KIOH + Na =>
NaOH + KI = KIOH + Na
Ag + HNO3 = Ag(NO3)2 + N2 + H2O =>
5 Ag + 12 HNO3 = 5 Ag(NO3)2 + N2 + 6 H2O
Sn(OH)3{-} + BI(OH)3 + OH{-} = Sn(OH)6{2-} + BI =>
3 Sn(OH)3{-} + 2 BI(OH)3 + 3 OH{-} = 3 Sn(OH)6{2-} + 2 BI
C8H6O2 + NH4O = C8H6NO + H2O =>
C8H6O2 + NH4O = C8H6NO + 2 H2O
HI + KMnO4 + HSO4 = I + MnSO4 + K2SO4 + H2O =>
13 HI + 2 KMnO4 + 3 HSO4 = 13 I + 2 MnSO4 + K2SO4 + 8 H2O
C7H7O3 + CH3OH = H2O + C8H8O2 =>
12 C7H7O3 + 20 CH3OH = 30 H2O + 13 C8H8O2
HC4H7O2 + LiOH = H2O + Li + C4H7O2 =>
HC4H7O2 + LiOH = H2O + Li + C4H7O2
AlCl3 + LiOH = AlLi + OHCl3 =>
AlCl3 + LiOH = AlLi + OHCl3
K2(SO4) + Cr3(PO4)2 = Cr3(SO4)2 + K2(PO4) =>
2 K2(SO4) + Cr3(PO4)2 = Cr3(SO4)2 + 2 K2(PO4)
(NH4)3PO4 + (CH3COO)2Ca = Ca3(PO4)2 + CH3COONH4 =>
2(NH4)3PO4 + 3(CH3COO)2Ca = Ca3(PO4)2 + 6 CH3COONH4
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
FeBr3 + H2O = FeOBr + HBr =>
FeBr3 + H2O = FeOBr + 2 HBr
O*O = O =>
O*O = 2 O
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
LiCl(aq) + NaOH(aq) = LiOH + NaCl =>
LiCl(aq) + NaOH(aq) = LiOH + NaCl
Zn3Sb2 + H2O = ZnO2H2 + SbH3 =>
Zn3Sb2 + 6 H2O = 3 ZnO2H2 + 2 SbH3
CaSNaF = CaFNaS =>
CaSNaF = CaFNaS
N2 = N5 =>
5 N2 = 2 N5
I{-}(aq) + I2(aq) = I3{-}(aq) =>
I{-}(aq) + I2(aq) = I3{-}(aq)
C18H18 + O2 = CO2 + H2O =>
2 C18H18 + 45 O2 = 36 CO2 + 18 H2O
C4H11N + HCl = C4H12ClN =>
C4H11N + HCl = C4H12ClN
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Ca(CO3) + HCl = CaCl2 + H2(CO3) =>
Ca(CO3) + 2 HCl = CaCl2 + H2(CO3)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cr2O3 + Na2CO3 + KClO3 = Na2CrO4 + CO2 + KCl =>
Cr2O3 + 2 Na2CO3 + KClO3 = 2 Na2CrO4 + 2 CO2 + KCl
Fe3O4 + Al = Al2O3 + Fe =>
3 Fe3O4 + 8 Al = 4 Al2O3 + 9 Fe
NH2CH2COOHNaOH = NH2CH2COONaH2O =>
NH2CH2COOHNaOH = NH2CH2COONaH2O
Na2CO3 + H2O2 = Na2CO3*15H2O2 =>
Na2CO3 + 15 H2O2 = Na2CO3*15H2O2
As4 + O2 = As4O6 =>
As4 + 3 O2 = As4O6
MnO2 + KClO3 + K2CO3 = KMnO4 + KCl + CO2 =>
2 MnO2 + KClO3 + K2CO3 = 2 KMnO4 + KCl + CO2
KOH(aq) + Cl2(g) = KCl(aq) + KClO(aq) + H2O(l) =>
2 KOH(aq) + Cl2(g) = KCl(aq) + KClO(aq) + H2O(l)
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2
AgBr + NH3 = Ag(NH3)2{+} + Br{-} =>
AgBr + 2 NH3 = Ag(NH3)2{+} + Br{-}
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
NaCn + HBr = NaBr + HCn =>
NaCn + HBr = NaBr + HCn
(NH4)3PO4 + (CH3COO)2Ca = Ca3(PO4)2 + CH3COONH4 =>
2(NH4)3PO4 + 3(CH3COO)2Ca = Ca3(PO4)2 + 6 CH3COONH4
HCl + C17H21NO4 = C17H22ClNO4 =>
HCl + C17H21NO4 = C17H22ClNO4
KCO3 + HI = KI + HCO3 =>
KCO3 + HI = KI + HCO3
Ca(CH3CO2)2 + Na2CO3 = NaCH3CO2 + Ca2(CO3)2 =>
2 Ca(CH3CO2)2 + 2 Na2CO3 = 4 NaCH3CO2 + Ca2(CO3)2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
FePO4 + Al2(SO4)3 = Fe2(SO4)3 + AlPO4 =>
2 FePO4 + Al2(SO4)3 = Fe2(SO4)3 + 2 AlPO4
NaHCO3(s) + C6H8O7(s) = Na3C6H5O7(aq) + CO2(g) + H2O(l) =>
3 NaHCO3(s) + C6H8O7(s) = Na3C6H5O7(aq) + 3 CO2(g) + 3 H2O(l)
CH3COCl + CH3CH2OH = CH3COOCH3CH2 + HCl =>
CH3COCl + CH3CH2OH = CH3COOCH3CH2 + HCl
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