| Équations équilibrées la veille |
2(NH4)2Cr2O7 = 4 CrO + 2 N2 + 8 H2O + O2
Al + NO3{-} + H2O = Al{3+} + NH3 + OH{-} =>
8 Al + 3 NO3{-} + 18 H2O = 8 Al{3+} + 3 NH3 + 27 OH{-}
C6H13OH + CuO = C6H11OH + Cu + H2O =>
C6H13OH + CuO = C6H11OH + Cu + H2O
LiCl + Na2HPO4 = Li2HPO4 + NaCl =>
2 LiCl + Na2HPO4 = Li2HPO4 + 2 NaCl
HNO2 + H2 = N2 + H2O =>
2 HNO2 + 3 H2 = N2 + 4 H2O
Mg + HI = MgI2 + H2 =>
Mg + 2 HI = MgI2 + H2
Pb{2+} + Cl{-} = Pb + Cl2 =>
Pb{2+} + 2 Cl{-} = Pb + Cl2
NH4OH + H2C2O4 = (NH4)2C2O4 + H2O =>
2 NH4OH + H2C2O4 = (NH4)2C2O4 + 2 H2O
Ba(NO3)2 + H3(PO4) = Ba3(PO4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3(PO4) = Ba3(PO4)2 + 6 HNO3
Fe + S2 = FeS2 =>
Fe + S2 = FeS2
Sr(ClO3)2 + Al2(SO4)3 = Sr(SO4) + Al(ClO3)3 =>
3 Sr(ClO3)2 + Al2(SO4)3 = 3 Sr(SO4) + 2 Al(ClO3)3
Fe + S2 = FeS2 =>
Fe + S2 = FeS2
U2F = U + F2 =>
2 U2F = 4 U + F2
Cd(s) + HCl = H2 + CdCl2 =>
Cd(s) + 2 HCl = H2 + CdCl2
Mg(OH)2 + C6H8O6 = H2O + C6H6MgO6 =>
Mg(OH)2 + C6H8O6 = 2 H2O + C6H6MgO6
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
CrO3 + S = Cr3O8 + SO2 =>
6 CrO3 + S = 2 Cr3O8 + SO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe3O4 + C = Fe + CO =>
Fe3O4 + 4 C = 3 Fe + 4 CO
S8 + O3 = SO3 =>
S8 + 8 O3 = 8 SO3
LiOH(s) + CO2 = Li2CO3 + H2O =>
2 LiOH(s) + CO2 = Li2CO3 + H2O
CH + H2 = CH2 =>
2 CH + H2 = 2 CH2
MgO + Ca(OH)2 = MgOH + Ca(O)2 =>
2 MgO + Ca(OH)2 = 2 MgOH + Ca(O)2
Mg(s) + ZnCl2(aq) = MgCl2(aq) + Zn(s) =>
Mg(s) + ZnCl2(aq) = MgCl2(aq) + Zn(s)
CO + H3PO4 = P2O3 + CO2 + H2O =>
2 CO + 2 H3PO4 = P2O3 + 2 CO2 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
P4 + Na(OH) + H2O = PH3 + Na2HPO3 =>
P4 + 4 Na(OH) + 2 H2O = 2 PH3 + 2 Na2HPO3
NaOHH2O + H3PO4 = H2O + Na2HPO4 =>
2 NaOHH2O + H3PO4 = 4 H2O + Na2HPO4
F2 + CsBr = BrF + Cs =>
F2 + 2 CsBr = 2 BrF + 2 Cs
F2(g) + KCl(aq) = KF(s) + Cl2(g) =>
F2(g) + 2 KCl(aq) = 2 KF(s) + Cl2(g)
CaMg(CO3)2 + SiO2 + H2O = Ca2Mg5Si8O22(OH)2 + CaCO3 + CO2 =>
5 CaMg(CO3)2 + 8 SiO2 + H2O = Ca2Mg5Si8O22(OH)2 + 3 CaCO3 + 7 CO2
K2CO3 + Fe(NO3)2 = KNO3 + FeCO3 =>
K2CO3 + Fe(NO3)2 = 2 KNO3 + FeCO3
NaHCO3 + MnO2 = MnHCO3 + NaO2 =>
NaHCO3 + MnO2 = MnHCO3 + NaO2
CH3CO2K + (NH4)2SO4 = K2SO4 + NH4CH3CO2 =>
2 CH3CO2K + (NH4)2SO4 = K2SO4 + 2 NH4CH3CO2
Br2 + Sn = Br{-} + Sn{2+} =>
Br2 + Sn = 2 Br{-} + Sn{2+}
SiH4 + N2F4 = SiF4 + N2 + H2 =>
SiH4 + N2F4 = SiF4 + N2 + 2 H2
NaI + PbO2 + H2SO4 = Na2SO4 + PbSO4 + I2 + H2O =>
2 NaI + PbO2 + 2 H2SO4 = Na2SO4 + PbSO4 + I2 + 2 H2O
C2H6O(l) + O2(g) = CO2(g) + H2O(g) =>
C2H6O(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
(NH4)2CrO4 + Cr(NO3)3 = (NH4)(NO3) + Cr2(CrO4)3 =>
3(NH4)2CrO4 + 2 Cr(NO3)3 = 6(NH4)(NO3) + Cr2(CrO4)3
C6H5Cl(aq) + O2(g) = C6H4(aq) + H2O(l) + Cl(g) =>
4 C6H5Cl(aq) + O2(g) = 4 C6H4(aq) + 2 H2O(l) + 4 Cl(g)
Zn(s) + Na2SO4(aq) = ZnSO4(aq) + Na(s) =>
Zn(s) + Na2SO4(aq) = ZnSO4(aq) + 2 Na(s)
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
CO2 + N = NO + CO =>
CO2 + N = NO + CO
NaHCO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
NaHCO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq)
C2 + H2 + O = C8H18O =>
4 C2 + 9 H2 + O = C8H18O
CO2 + H2O + NO2 = C2H5N + O2 =>
8 CO2 + 10 H2O + 4 NO2 = 4 C2H5N + 17 O2
Mg(CO3) + HClO4 = Mg(ClO4)2 + H2O + CO2 =>
Mg(CO3) + 2 HClO4 = Mg(ClO4)2 + H2O + CO2
CaS + H2O = Ca(OH)2 + H2S =>
CaS + 2 H2O = Ca(OH)2 + H2S
Zn + CuO4S = O4SZn + Cu =>
Zn + CuO4S = O4SZn + Cu
CuO + H{+} + HSO4{-} = Cu2{+} + (SO4)2{-} + H2O =>
2 CuO + 2 H{+} + 2 HSO4{-} = Cu2{+} + (SO4)2{-} + 2 H2O
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