| Équations équilibrées la veille | Équations équilibrées le lendemain |
7 K2CO3 + 8 Zn(C2H3O2)2 = 14 KC2H3O2 + 8 Zn + 3 H2O + 11 CO2
Na + C2H5 = C2H5Na =>
Na + C2H5 = C2H5Na
AsF3 + CCl4 = AsCl3 + CCl2F2 =>
2 AsF3 + 3 CCl4 = 2 AsCl3 + 3 CCl2F2
Na + Cu3(PO4)2 = NaCu3 + (PO4)2 =>
Na + Cu3(PO4)2 = NaCu3 + (PO4)2
C + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C + 2 K2Cr2O7 + 8 H2SO4 = 3 CO2 + 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O
HC2H3O2 + NaOH = Na{+} + H2O + C2H3O2{-} =>
HC2H3O2 + NaOH = Na{+} + H2O + C2H3O2{-}
MnO4 + C2O3 = MnO2 + CO2 =>
MnO4 + 2 C2O3 = MnO2 + 4 CO2
K + water = KOH + H =>
K + H2O = KOH + H
C6H5CH3 + H{+} + Cr2O7{-2} = C6H5COOH + Cr{+3} + H2O =>
C6H5CH3 + 8 H{+} + Cr2O7{-2} = C6H5COOH + 2 Cr{+3} + 5 H2O
SO2 + N2O4 = NO + SO4 =>
SO2 + N2O4 = 2 NO + SO4
Ce + I2 = CeI =>
2 Ce + I2 = 2 CeI
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
LiN2 = Li + N =>
LiN2 = Li + 2 N
Fe(NO2)2 + Al2(CO3)3 = FeCO3 + Al(NO2)3 =>
3 Fe(NO2)2 + Al2(CO3)3 = 3 FeCO3 + 2 Al(NO2)3
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Ta + HNO3 = Ta(NO3)5 + H =>
Ta + 5 HNO3 = Ta(NO3)5 + 5 H
C2H4 + KMnO4 = COOK + KOH + H2O + MnO2 =>
3 C2H4 + 10 KMnO4 = 6 COOK + 4 KOH + 4 H2O + 10 MnO2
K2CO3 + H2O = H2CO3 + K + OH =>
K2CO3 + 2 H2O = H2CO3 + 2 K + 2 OH
O2 = O3 =>
3 O2 = 2 O3
Sn(s) + Fe{3+} = Sn{2+} + Fe =>
3 Sn(s) + 2 Fe{3+} = 3 Sn{2+} + 2 Fe
SO = S8 + O2 =>
8 SO = S8 + 4 O2
Ca2Cl2 + CuSO4 = Ca2SO4 + CuCl2 =>
Ca2Cl2 + CuSO4 = Ca2SO4 + CuCl2
LiOH(aq) + H2CO3(aq) = H2O(l) + Li2CO3 =>
2 LiOH(aq) + H2CO3(aq) = 2 H2O(l) + Li2CO3
B3O3 + C + Cl2 = CO + BCl3 =>
2 B3O3 + 6 C + 9 Cl2 = 6 CO + 6 BCl3
HN3 = H + N =>
HN3 = H + 3 N
CH3NH2 + KNO2 + HCl = CH3OH + N2 + KCl + H2O =>
CH3NH2 + KNO2 + HCl = CH3OH + N2 + KCl + H2O
MnSO4 + KBrO3 + KOH = K2MnO4 + KBr + K2SO4 + H2O =>
3 MnSO4 + 2 KBrO3 + 12 KOH = 3 K2MnO4 + 2 KBr + 3 K2SO4 + 6 H2O
P4O10 + PCl5 = POCl3 =>
P4O10 + 6 PCl5 = 10 POCl3
Cu + O2 + S8 = CuSO4 =>
8 Cu + 16 O2 + S8 = 8 CuSO4
Fe + Cu3(PO4)2 = FePO4 + Cu =>
2 Fe + Cu3(PO4)2 = 2 FePO4 + 3 Cu
CH3OH + CO2 = CH3COH + O2 =>
CH3OH + CO2 = CH3COH + O2
C2H5NO2 + O2 + OH({-}) = CO3{-}2 + H2O + N2 =>
4 C2H5NO2 + 11 O2 + 8 OH({-}) = 8 CO3{-}2 + 14 H2O + 2 N2
(l)CaC2(s) + H2O(l) = C2H2(g) + CaO(s) =>
(l)CaC2(s) + H2O(l) = C2H2(g) + CaO(s)
Mg3As2 + HClO3 = Mg3(AsO4)2 + Cl2 + H2O =>
5 Mg3As2 + 16 HClO3 = 5 Mg3(AsO4)2 + 8 Cl2 + 8 H2O
Br2 + KI = Br2I + KBr =>
3 Br2 + 2 KI = 2 Br2I + 2 KBr
Sb2O3 + CaCO3 = Ca3(SbO3)2 + CO2 =>
Sb2O3 + 3 CaCO3 = Ca3(SbO3)2 + 3 CO2
Fe + OH = Fe(OH)3 =>
Fe + 3 OH = Fe(OH)3
C12H24O2 + H2O = CH3COO{-} + H2 + H{+} =>
C12H24O2 + 10 H2O = 6 CH3COO{-} + 10 H2 + 6 H{+}
C8H8O3 + MnO2 = C8H6O3 + MnO + H2O =>
C8H8O3 + MnO2 = C8H6O3 + MnO + H2O
S + Br = SBr4 =>
S + 4 Br = SBr4
KI + H2O = KOH + HI =>
KI + H2O = KOH + HI
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
Al + LiOH + H2O = AlLi(OH)4 + H2 =>
2 Al + 2 LiOH + 6 H2O = 2 AlLi(OH)4 + 3 H2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Ca3(PO4)2 + (NH4)2C2O4 = CaC2O4 + (NH4)3PO4 =>
Ca3(PO4)2 + 3(NH4)2C2O4 = 3 CaC2O4 + 2(NH4)3PO4
Na2 + CO3 + HCl = NaCl + HCO3 =>
Na2 + 2 CO3 + 2 HCl = 2 NaCl + 2 HCO3
Mg3(PO4)2 + AgBr = MgBr2 + Ag3PO4 =>
Mg3(PO4)2 + 6 AgBr = 3 MgBr2 + 2 Ag3PO4
NH4Cl + BaCl2 = BaNH4 + Cl =>
NH4Cl + BaCl2 = BaNH4 + 3 Cl
Cl + CrBr3 = ClCr + Br =>
Cl + CrBr3 = ClCr + 3 Br
KOH + Ba(NO3)2 = K(NO3)2 + BaOH =>
KOH + Ba(NO3)2 = K(NO3)2 + BaOH
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