| Équations équilibrées la veille |
2 CaSO + 3 O2 = 2 CaSO4
K3(Fe(CN)6) + KSCN = KCN + Fe(SCN)3 =>
K3(Fe(CN)6) + 3 KSCN = 6 KCN + Fe(SCN)3
NbO + Al = Nb + Al2O3 =>
3 NbO + 2 Al = 3 Nb + Al2O3
Na2CO3 = CO2 + Na2O =>
Na2CO3 = CO2 + Na2O
CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(g) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(g)
C2H4O2 + K2Cr2O7 + H2SO4 = CO2 + H2O + Cr2(SO4)3 + K2SO4 =>
3 C2H4O2 + 4 K2Cr2O7 + 16 H2SO4 = 6 CO2 + 22 H2O + 4 Cr2(SO4)3 + 4 K2SO4
Co{2+} + Cl{-} = (CoCl4){2-} =>
Co{2+} + 4 Cl{-} = (CoCl4){2-}
Mn + COCl2 = CO + MnCl2 =>
Mn + COCl2 = CO + MnCl2
CH2 + H2 = CH3CH3 =>
2 CH2 + H2 = CH3CH3
Cu + Cl{-2} = CuCl{-2} =>
Cu + Cl{-2} = CuCl{-2}
C10H10O4 + H2O = C16H34 + CO2 =>
7 C10H10O4 + 16 H2O = 3 C16H34 + 22 CO2
H12CuN4 + H2SO4 = CuSO4 + (NH4)2SO4 + H2 =>
H12CuN4 + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + H2
PbO2 + C = Pb + CO =>
PbO2 + 2 C = Pb + 2 CO
Zn(NO3)2 + Na3(PO4) = Zn(PO4) + Na3(NO3)2 =>
Zn(NO3)2 + Na3(PO4) = Zn(PO4) + Na3(NO3)2
KHSO4 + HCl = KCl + H2O + SO3 =>
KHSO4 + HCl = KCl + H2O + SO3
H2SO3 + Na2S = S + Na2SO3 + H2O =>
3 H2SO3 + 2 Na2S = 3 S + 2 Na2SO3 + 3 H2O
PBO2 + C = PB + CO2 =>
PBO2 + C = PB + CO2
FeCl2 + K3[Fe(Cn)6] = Fe3[Fe(Cn)6]2 + KCl =>
3 FeCl2 + 2 K3[Fe(Cn)6] = Fe3[Fe(Cn)6]2 + 6 KCl
KHSO4 + HCl = K2S2O3 + Cl2 + H2O =>
2 KHSO4 + 8 HCl = K2S2O3 + 4 Cl2 + 5 H2O
Al(s) + H2SO4(l) = Al(SO4)2(aq) + H2(g) =>
Al(s) + 2 H2SO4(l) = Al(SO4)2(aq) + 2 H2(g)
FeCl2 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + KCl =>
3 FeCl2 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 6 KCl
C4H4O4 + KMnO4 + H2O = C4H6O6 + MnO2 + KOH =>
3 C4H4O4 + 2 KMnO4 + 4 H2O = 3 C4H6O6 + 2 MnO2 + 2 KOH
C8H18 + O2 = CO + H2O =>
2 C8H18 + 17 O2 = 16 CO + 18 H2O
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
C6H10 + O2 = CO2 + H2O =>
2 C6H10 + 17 O2 = 12 CO2 + 10 H2O
CaCl2 + Br2 = CaBr + Cl =>
2 CaCl2 + Br2 = 2 CaBr + 4 Cl
N2 + CuCl2 = N2Cl + Cu =>
2 N2 + CuCl2 = 2 N2Cl + Cu
FeCl2 + K3[Fe(Cn)6] = KFe[Fe(Cn)6] + KCl =>
FeCl2 + K3[Fe(Cn)6] = KFe[Fe(Cn)6] + 2 KCl
Nb2O5 + Al = Nb + Al2O3 =>
3 Nb2O5 + 10 Al = 6 Nb + 5 Al2O3
PbO2 + C = Pb + CO =>
PbO2 + 2 C = Pb + 2 CO
CaCO3 + NaOH = Na2CO3 + Ca(OH)2 =>
CaCO3 + 2 NaOH = Na2CO3 + Ca(OH)2
HCl + TiCl3 + N2H6Cl2 = (NH4)2[TiCl6] + H2[TiCl6] =>
4 HCl + 2 TiCl3 + N2H6Cl2 = (NH4)2[TiCl6] + H2[TiCl6]
Br2 + P4 = PBr4 =>
8 Br2 + P4 = 4 PBr4
FeCl2 + K3[Fe(CN)6] = KFe[Fe(CN)6] + KCl =>
FeCl2 + K3[Fe(CN)6] = KFe[Fe(CN)6] + 2 KCl
KMnO4 + KCl + H2SO4 = MnSO4 + KHSO4 + H2O + Cl2 =>
2 KMnO4 + 10 KCl + 14 H2SO4 = 2 MnSO4 + 12 KHSO4 + 8 H2O + 5 Cl2
K2[Sn(OH)4] + PbO2 + KOH + H2O = K2[Pb(OH)4] + K2[Sn(OH)6] =>
K2[Sn(OH)4] + PbO2 + 2 KOH + 2 H2O = K2[Pb(OH)4] + K2[Sn(OH)6]
FeCl3 + AgNO3 = AgCl + Fe(NO3)3 =>
FeCl3 + 3 AgNO3 = 3 AgCl + Fe(NO3)3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Dy + HNO3 = DyNO3 + H2 =>
2 Dy + 2 HNO3 = 2 DyNO3 + H2
Na2SO3 + NaOH = Na2SO4 + Na + H2O =>
Na2SO3 + 2 NaOH = Na2SO4 + 2 Na + H2O
PBO2 + C = PB + CO2 =>
PBO2 + C = PB + CO2
Zn(NO3)2*6H2O + C6H8O7*H2O = ZnO + N2 + H2O + CO2 =>
9 Zn(NO3)2*6H2O + 5 C6H8O7*H2O = 9 ZnO + 9 N2 + 79 H2O + 30 CO2
H3PO4 + P2O5 = H4P2O7 =>
4 H3PO4 + P2O5 = 3 H4P2O7
Na2SO4 + Ca(NO3)2 = NaNO3 + CaSO4 =>
Na2SO4 + Ca(NO3)2 = 2 NaNO3 + CaSO4
Ca(HCO3)2 + NaClO3 = Ca(ClO3)2 + NaHCO3 =>
Ca(HCO3)2 + 2 NaClO3 = Ca(ClO3)2 + 2 NaHCO3
C2H5OH + H2O2 = C2H4O + H2O =>
C2H5OH + H2O2 = C2H4O + 2 H2O
Cu{2+} + NH3 = [Cu(NH3)4]{2+} =>
Cu{2+} + 4 NH3 = [Cu(NH3)4]{2+}
Li2SO4*2H2O = Li2SO4 + H2O =>
Li2SO4*2H2O = Li2SO4 + 2 H2O
CoCl2(aq) + NaOH(aq) = Co(OH)2 + NaCl =>
CoCl2(aq) + 2 NaOH(aq) = Co(OH)2 + 2 NaCl
Cl2 + Na = NaCl =>
Cl2 + 2 Na = 2 NaCl
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