| Équations équilibrées la veille |
2 F2(g) + 4 NaOH(aq) = 4 NaF(aq) + 2 H2O(l) + O2(g)
C7H7NO2 + KMnO4 + H2SO4 = C7H5O4N + K2SO4 + MnSO4 + H2O =>
5 C7H7NO2 + 6 KMnO4 + 9 H2SO4 = 5 C7H5O4N + 3 K2SO4 + 6 MnSO4 + 14 H2O
CH2CHCH2Cl + NaOH = NaCl + CH2CHCH2OH =>
CH2CHCH2Cl + NaOH = NaCl + CH2CHCH2OH
AuI3 = Au + I2 =>
2 AuI3 = 2 Au + 3 I2
Zn(SO4) + Ag = Ag2(SO4) + Zn =>
Zn(SO4) + 2 Ag = Ag2(SO4) + Zn
As(HCO3)5 = As2(CO3)5 + CO2 + H2O =>
2 As(HCO3)5 = As2(CO3)5 + 5 CO2 + 5 H2O
Fe2(SO4)3 + KOH = Fe2O3 + K2SO4 + H2O =>
Fe2(SO4)3 + 6 KOH = Fe2O3 + 3 K2SO4 + 3 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ag(aq) + SO4(aq) = Ag2SO4(s) =>
2 Ag(aq) + SO4(aq) = Ag2SO4(s)
Al(s) + H{+} = Al{3+} + H2 =>
2 Al(s) + 6 H{+} = 2 Al{3+} + 3 H2
(CH3COO)2Pb + Na2SO4 = PbSO4 + CH3COONa =>
(CH3COO)2Pb + Na2SO4 = PbSO4 + 2 CH3COONa
XeF6(S) + H2O(l) = XeO3(S) + HF(g) =>
XeF6(S) + 3 H2O(l) = XeO3(S) + 6 HF(g)
Na2HPO4 + (NH4)2MoO4 + HNO3 = (NH4)3PO4*12MoO3 + NaNO3 + NH4NO3 + H2O =>
Na2HPO4 + 12(NH4)2MoO4 + 23 HNO3 = (NH4)3PO4*12MoO3 + 2 NaNO3 + 21 NH4NO3 + 12 H2O
N4 + H = NH4 =>
N4 + 16 H = 4 NH4
Ca(SO4) = CaO + SO3 =>
Ca(SO4) = CaO + SO3
Cr + OH{-} + H2O2 = CrO4{2-} + H2O =>
Cr + 2 OH{-} + 3 H2O2 = CrO4{2-} + 4 H2O
MgO + C20H14O4 = Mg(OH)2 + C20H12O3 =>
MgO + C20H14O4 = Mg(OH)2 + C20H12O3
CoBr2 + K2S = CoS + KBr =>
CoBr2 + K2S = CoS + 2 KBr
C7H6O3 + OH = CO3 + H2O =>
C7H6O3 + 42 OH = 7 CO3 + 24 H2O
C2H5(OH) = C2H4 + H2O =>
C2H5(OH) = C2H4 + H2O
FeSO4 + NaOCl + H2O = Fe(OH)3 + NaCl + H2SO4 =>
2 FeSO4 + NaOCl + 5 H2O = 2 Fe(OH)3 + NaCl + 2 H2SO4
Hg2(NO3)2 + KCN = Hg + Hg(CN)2 + KNO3 =>
Hg2(NO3)2 + 2 KCN = Hg + Hg(CN)2 + 2 KNO3
Si(s) + NaOH(aq) = Na4SiO4(s) + H2(g) =>
Si(s) + 4 NaOH(aq) = Na4SiO4(s) + 2 H2(g)
NaClO2 + H3PO4 = ClO2 + Na3PO4 + NaCl + H2O =>
15 NaClO2 + 4 H3PO4 = 12 ClO2 + 4 Na3PO4 + 3 NaCl + 6 H2O
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
HCl + Na2CO3 = NaCl + H + HCO3 =>
2 HCl + Na2CO3 = 2 NaCl + H + HCO3
H2SiO3 + Na(OH) = Na2SiO3 + H2O =>
H2SiO3 + 2 Na(OH) = Na2SiO3 + 2 H2O
Co(OH)3 + P2O5 = Co2(HPO4)3 + H2O =>
4 Co(OH)3 + 3 P2O5 = 2 Co2(HPO4)3 + 3 H2O
Zn + NaClO = Zn2O3 + NaCl =>
2 Zn + 3 NaClO = Zn2O3 + 3 NaCl
Sn + Hg2(NO3)2 = Sn(NO3)2 + Hg =>
Sn + Hg2(NO3)2 = Sn(NO3)2 + 2 Hg
I + Ca(NO3)2 = Ca + I(NO3)2 =>
I + Ca(NO3)2 = Ca + I(NO3)2
Fe(OH)2 + Cu2CO3 = FeCO3 + CuOH =>
Fe(OH)2 + Cu2CO3 = FeCO3 + 2 CuOH
K + NaOH = KOH + Na =>
K + NaOH = KOH + Na
Ca(OH)2(aq) + K2CO3(aq) = Ca(CO3)(s) + K2(OH)2(s) =>
Ca(OH)2(aq) + K2CO3(aq) = Ca(CO3)(s) + K2(OH)2(s)
FeCl3 + KI = KCl + FeCl2 + I2 =>
2 FeCl3 + 2 KI = 2 KCl + 2 FeCl2 + I2
K(s) + H2O = KOH + H2 =>
2 K(s) + 2 H2O = 2 KOH + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
(NH4)2SO4(aq) + Ba(BrO3)2(aq) = BaSO4(aq) + NH4BrO3(aq) =>
(NH4)2SO4(aq) + Ba(BrO3)2(aq) = BaSO4(aq) + 2 NH4BrO3(aq)
CO(NH2)2 + HNO3 = (NH2)2COHNO3 =>
CO(NH2)2 + HNO3 = (NH2)2COHNO3
Fe(SCN)3 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + HNO3 + CO2 + H2O =>
10 Fe(SCN)3 + 96 KMnO4 + 129 H2SO4 = 5 Fe2(SO4)3 + 96 MnSO4 + 48 K2SO4 + 30 HNO3 + 30 CO2 + 114 H2O
Ba + I = BaI2 =>
Ba + 2 I = BaI2
S + Na2O2 = Na2SO4 + Na2O =>
S + 3 Na2O2 = Na2SO4 + 2 Na2O
(NH4)2S + K2CrO4 + KOH + H2O = S + K3[Cr(OH)6] + NH4OH =>
3(NH4)2S + 2 K2CrO4 + 2 KOH + 8 H2O = 3 S + 2 K3[Cr(OH)6] + 6 NH4OH
K2SO4 + Pb(CH3COO)2 = PbSO4 + CH3COOK =>
K2SO4 + Pb(CH3COO)2 = PbSO4 + 2 CH3COOK
Na(aq) + HCl(aq) = NaCl + H2 =>
2 Na(aq) + 2 HCl(aq) = 2 NaCl + H2
Cs + O = CsO =>
Cs + O = CsO
BI(OH)3 + Br2 + NaOH = NaBIO3 + NaBr + H2O =>
BI(OH)3 + Br2 + 3 NaOH = NaBIO3 + 2 NaBr + 3 H2O
Al2O3 + CaSO4 = Al2(SO4)3 + CaO =>
Al2O3 + 3 CaSO4 = Al2(SO4)3 + 3 CaO
MgBr2 + Na2SO4 = MgSO4 + Na2Br2 =>
MgBr2 + Na2SO4 = MgSO4 + Na2Br2
HI + Na2Cr2O7 + SnI2 = SnI4 + Cr2O3 + NaI + H2O =>
8 HI + Na2Cr2O7 + 3 SnI2 = 3 SnI4 + Cr2O3 + 2 NaI + 4 H2O
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