| Équations équilibrées la veille |
4 Fe2O3 + 6 Cr2O3 + 9 O2 = 4 Fe2Cr3O12
Cu + HCl + HNO3 = NO + CuCl3 + H2O =>
Cu + 3 HCl + HNO3 = NO + CuCl3 + 2 H2O
H39 + O2 = H2O =>
4 H39 + 39 O2 = 78 H2O
CH3CO2H + CH3CH2OH = CH3(CO)OCH2CH3 + H2O =>
CH3CO2H + CH3CH2OH = CH3(CO)OCH2CH3 + H2O
C60 = C =>
C60 = 60 C
HCl = H{+} + Cl{-} =>
HCl = H{+} + Cl{-}
MgSO3 = MgSO4 + MgS =>
4 MgSO3 = 3 MgSO4 + MgS
Na2 + SO3 + HCl = NaCl + HSO3 =>
Na2 + 2 SO3 + 2 HCl = 2 NaCl + 2 HSO3
LiCl + AuI = LiI + ClAu =>
LiCl + AuI = LiI + ClAu
Na2SO4 + Ca(NO3)2 = NaNO3 + CaSO4 =>
Na2SO4 + Ca(NO3)2 = 2 NaNO3 + CaSO4
Al(OH)3 + K2C2O4*H2O + H2C2O4*2H2O = K3(Al(C2O4)3) + H2O =>
2 Al(OH)3 + 3 K2C2O4*H2O + 3 H2C2O4*2H2O = 2 K3(Al(C2O4)3) + 15 H2O
MnO4({-}) + CrI2 + H2O = MnO2 + Cr(OH)3 + IO3({-}) + OH({-}) =>
13 MnO4({-}) + 3 CrI2 + 8 H2O = 13 MnO2 + 3 Cr(OH)3 + 6 IO3({-}) + 7 OH({-})
CuSO4(aq) + NaOH(aq) = NaSO4 + CuOH =>
CuSO4(aq) + NaOH(aq) = NaSO4 + CuOH
WBr3 + I2 = WI3 + Br =>
2 WBr3 + 3 I2 = 2 WI3 + 6 Br
ZnO + HNO2 = Zn + HNO3 =>
ZnO + HNO2 = Zn + HNO3
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
B1 + O2 = B2O1 =>
4 B1 + O2 = 2 B2O1
CO2 + H2O = C2H6O2 + O =>
2 CO2 + 3 H2O = C2H6O2 + 5 O
Sr(HCO3)2 = SrCO3 + CO2 + H2O =>
Sr(HCO3)2 = SrCO3 + CO2 + H2O
Al2O3 + O3 = AlO2 =>
3 Al2O3 + O3 = 6 AlO2
MgCl2 + F = MgF + Cl2 =>
MgCl2 + F = MgF + Cl2
Cu6 + HgNO3 = Cu(NO3)2 + Hg =>
Cu6 + 12 HgNO3 = 6 Cu(NO3)2 + 12 Hg
CH3CH2CH3 + H2SO4 = CH3SO4 + CH3CH3H2 =>
6 CH3CH2CH3 + 8 H2SO4 = 8 CH3SO4 + 5 CH3CH3H2
Fe2[SO4]3 + NaOH = Fe[OH]3 + Na2SO4 =>
Fe2[SO4]3 + 6 NaOH = 2 Fe[OH]3 + 3 Na2SO4
ZnO2 + H2O = Zn + OH =>
ZnO2 + 2 H2O = Zn + 4 OH
PbI2 + H2SO4 = PbSO4 + I2 + H2S + H2O =>
4 PbI2 + 5 H2SO4 = 4 PbSO4 + 4 I2 + H2S + 4 H2O
NH4 + OH + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4 + 2 OH + H2SO4 = (NH4)2SO4 + 2 H2O
C2H2 + KMnO4 + H2SO4 = H2C2O4 + K2SO4 + MnSO4 + H2O =>
5 C2H2 + 8 KMnO4 + 12 H2SO4 = 5 H2C2O4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Na2CO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(aq) =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2(aq)
Rb3N + Cl = RbCl + N =>
Rb3N + 3 Cl = 3 RbCl + N
Pb + HCl = PbCl2 + H =>
Pb + 2 HCl = PbCl2 + 2 H
KI + FeNO3 = KNO3 + FeI =>
KI + FeNO3 = KNO3 + FeI
H2O + C2Cl4 + O2 = CO2 + HCl =>
2 H2O + C2Cl4 + O2 = 2 CO2 + 4 HCl
AgNO3 + SnCl4 = AgCl4 + NO3Sn =>
AgNO3 + SnCl4 = AgCl4 + NO3Sn
CuCl2 + NaNO3 = Cu(NO3)2 + NaCl =>
CuCl2 + 2 NaNO3 = Cu(NO3)2 + 2 NaCl
C2H3O2Na + HCl = C2H3O2Cl + NaH =>
C2H3O2Na + HCl = C2H3O2Cl + NaH
HOCH2CH2OH + KMnO4 + H2SO4 = HOCCOH + MnSO4 + H2O + K2SO4 =>
5 HOCH2CH2OH + 4 KMnO4 + 6 H2SO4 = 5 HOCCOH + 4 MnSO4 + 16 H2O + 2 K2SO4
Na + Be(OH)2 = Na(OH)2 + Be =>
Na + Be(OH)2 = Na(OH)2 + Be
CaCO3 + H3PO4 = Ca(PO4)2 + H2O + H2CO =>
CaCO3 + 2 H3PO4 = Ca(PO4)2 + 2 H2O + H2CO
NaH2PO4 + H3PO4 = NaPO4 + H5PO4 =>
NaH2PO4 + H3PO4 = NaPO4 + H5PO4
Ca(OH)2 + C15H31COOH = (C15H31COO)2Ca + H2O =>
Ca(OH)2 + 2 C15H31COOH = (C15H31COO)2Ca + 2 H2O
Fe(C2O4)3 = FeC2O4 + CO2 =>
Fe(C2O4)3 = FeC2O4 + 4 CO2
HC2H3O2 + Ni = H2 + Ni(C2H3O2)2 =>
2 HC2H3O2 + Ni = H2 + Ni(C2H3O2)2
HCl + C8H10N4O2 + C9H8O4 = Cl2 + C17H21NO4 + C8H10O4 =>
206 HCl + 2 C8H10N4O2 + 64 C9H8O4 = 103 Cl2 + 8 C17H21NO4 + 57 C8H10O4
MnO4{-} + H{+} + Br{-} = Mn{2+} + Br2 + H2O =>
2 MnO4{-} + 16 H{+} + 10 Br{-} = 2 Mn{2+} + 5 Br2 + 8 H2O
MgCl2(aq) + NaOH = Mg(OH)2 + NaCl(aq) =>
MgCl2(aq) + 2 NaOH = Mg(OH)2 + 2 NaCl(aq)
RaI2 + Fr = FrI + Ra =>
RaI2 + 2 Fr = 2 FrI + Ra
K2Cr2O7 + H2SO4 + Na2SO3 = Na2SO4 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = 3 Na2SO4 + K2SO4 + Cr2(SO4)3 + 4 H2O
CuSO4*5H2O + NaHCO3 = CO2 + CuCO3 + H2O + Na2SO4 =>
CuSO4*5H2O + 2 NaHCO3 = CO2 + CuCO3 + 6 H2O + Na2SO4
H3PO4 + RbOH = H2O + Rb3PO4 =>
H3PO4 + 3 RbOH = 3 H2O + Rb3PO4
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