| Équations équilibrées la veille |
FeS + 2 HCl = FeCl2 + H2S
Fe{2+} + [Fe(CN)6]{3-} = Fe + CN =>
3 Fe{2+} + 2[Fe(CN)6]{3-} = 5 Fe + 12 CN
C4H2(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H2(g) + 9 O2(g) = 8 CO2(g) + 2 H2O(g)
Si + N2 + Mg = MgSiN2 =>
Si + N2 + Mg = MgSiN2
Fe2 + O3 + H2 = FeH2O =>
3 Fe2 + 2 O3 + 6 H2 = 6 FeH2O
Fe + CuSO4 = Fe(SO4) + Cu =>
Fe + CuSO4 = Fe(SO4) + Cu
Cs(OH)2 + CO2 = CsCO3 + H2O =>
Cs(OH)2 + CO2 = CsCO3 + H2O
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
PbNO32 + K2SO4 = PbSO4 + K2NO32 =>
PbNO32 + K2SO4 = PbSO4 + K2NO32
FeCl2 + H2O2 + H2SO4 = FeCl3 + H2O + Fe2(SO4)3 =>
6 FeCl2 + 3 H2O2 + 3 H2SO4 = 4 FeCl3 + 6 H2O + Fe2(SO4)3
KO2 + I(OH)4 = IO4K + H2O =>
KO2 + I(OH)4 = IO4K + 2 H2O
H2O2 + MnO4{-} = Mn{+2} + O2 + OH{-} =>
3 H2O2 + 2 MnO4{-} = 2 Mn{+2} + 4 O2 + 6 OH{-}
Cu + Fe2O3 = FeO + CuO =>
Cu + Fe2O3 = 2 FeO + CuO
[Na(H2O)8]Cl + H2SO4 = [Na(H2O)8]2SO4 + HCl =>
2[Na(H2O)8]Cl + H2SO4 = [Na(H2O)8]2SO4 + 2 HCl
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
H2S04 + NaOH + O2 = H2O + Na2SO4 =>
2 H2S04 + 16 NaOH + 13 O2 = 10 H2O + 8 Na2SO4
NaClO + Na2S2O + NaOH = Na2SO4 + NaCl + H2O354 =>
359 NaClO + Na2S2O + 2 NaOH = 2 Na2SO4 + 359 NaCl + H2O354
(NH4)2CO3 + BaI2 = Ba(NH4)2 + I2CO3 =>
(NH4)2CO3 + BaI2 = Ba(NH4)2 + I2CO3
NH4Cl + KClO3 = ClO3NH4 + KCl =>
NH4Cl + KClO3 = ClO3NH4 + KCl
K2O + H3PO4 = H2O + K3PO4 =>
3 K2O + 2 H3PO4 = 3 H2O + 2 K3PO4
HBr + S = Br2 + H2S =>
2 HBr + S = Br2 + H2S
Mn(SO4) + (NH4)2S2O8 + H2O = MnO2 + (H)2SO4 + (NH4)2SO4 =>
Mn(SO4) + (NH4)2S2O8 + 2 H2O = MnO2 + 2(H)2SO4 + (NH4)2SO4
SnCl2 + H2SO4 = SnCl4 + Sn(SO4) + SO2 + H2O =>
2 SnCl2 + 2 H2SO4 = SnCl4 + Sn(SO4) + SO2 + 2 H2O
CuSO4(s) + KI(s) = CuI(s) + I2 + K2SO4 =>
2 CuSO4(s) + 4 KI(s) = 2 CuI(s) + I2 + 2 K2SO4
Li3N + H2O = LiOH + H2 + N2 =>
2 Li3N + 6 H2O = 6 LiOH + 3 H2 + N2
NaAlO2 + HNO3 = NaNO3 + Al(NO3)3 + H2O =>
NaAlO2 + 4 HNO3 = NaNO3 + Al(NO3)3 + 2 H2O
K2CO3 + FeCl3 = KCl + Fe2C3O9 =>
3 K2CO3 + 2 FeCl3 = 6 KCl + Fe2C3O9
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CoO + O2 = Co2O3 =>
4 CoO + O2 = 2 Co2O3
Ca5(PO4)3F + C3H6O4 = HF + Ca(H2PO4)2 + C3H6O + CaCO3 =>
18 Ca5(PO4)3F + 56 C3H6O4 = 18 HF + 27 Ca(H2PO4)2 + 35 C3H6O + 63 CaCO3
Ca(OH)2(aq) + HBr(aq) = CaBr2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HBr(aq) = CaBr2(aq) + 2 H2O(l)
Mg + N = Mg3N2 =>
3 Mg + 2 N = Mg3N2
H2O + CO2 + F2 = C9H20O + FO =>
20 H2O + 18 CO2 + 27 F2 = 2 C9H20O + 54 FO
AsO4{-3} + Ca(OH)2 = Ca5(AsO4)3OH + OH{-}doublereplacement =>
3 AsO4{-3} + 5 Ca(OH)2 = Ca5(AsO4)3OH + 9 OH{-}doublereplacement
CoO + O2 = Co2O3 =>
4 CoO + O2 = 2 Co2O3
L2O4 + H2O = HLO3 + L2 =>
5 L2O4 + 4 H2O = 8 HLO3 + L2
KI + H2O + H2SO4 = I2 + H2S + KOH =>
8 KI + 4 H2O + H2SO4 = 4 I2 + H2S + 8 KOH
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Fe(NO3)3 + NaAsO2 = FeAsO2 + Na(NO3)3 =>
Fe(NO3)3 + NaAsO2 = FeAsO2 + Na(NO3)3
H2O + Zn + NaOH = Na2Zn(OH)4 + H2 =>
2 H2O + Zn + 2 NaOH = Na2Zn(OH)4 + H2
C2Na2O4 + NaOH + HNO3 = Na2CO3 + H2O + NaNO2 =>
C2Na2O4 + 3 NaOH + HNO3 = 2 Na2CO3 + 2 H2O + NaNO2
H2S + NaClO2 = SO2 + H2O + NaCl =>
2 H2S + 3 NaClO2 = 2 SO2 + 2 H2O + 3 NaCl
Na + CuF2 = Cu + NaF =>
2 Na + CuF2 = Cu + 2 NaF
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + (Ca)2 + SO4 =>
2 Al2(SO4)3 + 6 Ca(OH)2 = 4 Al(OH)3 + 3(Ca)2 + 6 SO4
Pb(NO3)2 + FeCl2 = PbCl4 + Fe(NO3) =>
Pb(NO3)2 + 2 FeCl2 = PbCl4 + 2 Fe(NO3)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
K2Cr2O7 + FeSO4 + H = Cr2O3 + Fe + H2O + K2SO4 =>
K2Cr2O7 + FeSO4 + 8 H = Cr2O3 + Fe + 4 H2O + K2SO4
Al + HCl = Al2Cl3 + H =>
2 Al + 3 HCl = Al2Cl3 + 3 H
Mn(NO3)2 + H2O = Mn + HNO3 + O2 =>
2 Mn(NO3)2 + 2 H2O = 2 Mn + 4 HNO3 + O2
AgNO3 + NH4OH = AgOH + NH4NO3 =>
AgNO3 + NH4OH = AgOH + NH4NO3
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