| Équations équilibrées la veille |
Zn + 2 HClO3 = H2 + Zn(ClO3)2
C10H22 + Cl = HCl + C =>
C10H22 + 22 Cl = 22 HCl + 10 C
Mg + NH3Cl = MgCl2 + NH3 =>
Mg + 2 NH3Cl = MgCl2 + 2 NH3
KHSO4 + HBr = K2SO4 + SO2 + Br2 + H2O =>
2 KHSO4 + 2 HBr = K2SO4 + SO2 + Br2 + 2 H2O
C6H5OH + PCl5 = C6H5Cl + POCl3 + HCl =>
C6H5OH + PCl5 = C6H5Cl + POCl3 + HCl
H2O = H + O =>
H2O = 2 H + O
FeCl3 + Cu = CuCl2 + FeCl2 =>
2 FeCl3 + Cu = CuCl2 + 2 FeCl2
Al(NO3)3 + HCl = AlCl3 + HNO3 =>
Al(NO3)3 + 3 HCl = AlCl3 + 3 HNO3
(NH4)2S + ZnBr2 = ZnS + (NH4)Br =>
(NH4)2S + ZnBr2 = ZnS + 2(NH4)Br
Mg + HF = MgF2 + H =>
Mg + 2 HF = MgF2 + 2 H
Al(SO4)3 + Mg = Mg(SO4)3 + Al2 =>
2 Al(SO4)3 + 2 Mg = 2 Mg(SO4)3 + Al2
Al + Cu(OH)2 = Cu + Al(OH)3 =>
2 Al + 3 Cu(OH)2 = 3 Cu + 2 Al(OH)3
Na2Cr2O7 + HCl = Cl + CrCl2 + NaCl2 + H2O =>
Na2Cr2O7 + 14 HCl = 6 Cl + 2 CrCl2 + 2 NaCl2 + 7 H2O
Zn + HBr = Zn(Br)2 + H2 =>
Zn + 2 HBr = Zn(Br)2 + H2
K3(Cr(OH)) + Br2 + KOH = K2CrO4 + KBr + H2O =>
K3(Cr(OH)) + 4 Br2 + 7 KOH = K2CrO4 + 8 KBr + 4 H2O
C12H22O11 + Ca(OH)2 = CH3CH2OH + CO2 + CaCO3 =>
C12H22O11 + Ca(OH)2 = 4 CH3CH2OH + 3 CO2 + CaCO3
C7C + H2O = CO + H2 =>
C7C + 8 H2O = 8 CO + 8 H2
N2O + KCIO + KOH = KCI + KNO2 + H2O =>
N2O + 2 KCIO + 2 KOH = 2 KCI + 2 KNO2 + H2O
SO3 + KOH = H2O + K2SO4 =>
SO3 + 2 KOH = H2O + K2SO4
MgO + H2O2 = MgO2 + H2O =>
MgO + H2O2 = MgO2 + H2O
Ca + Li2CO3 = CaCO3 + Li =>
Ca + Li2CO3 = CaCO3 + 2 Li
Sr(OH)2 + H2SO4 = Sr2(SO4)2 + H2O =>
2 Sr(OH)2 + 2 H2SO4 = Sr2(SO4)2 + 4 H2O
Pb(NO3)2(aq) + (NH4)2SO4(aq) = (NH4)NO3(aq) + PbSO4(s) =>
Pb(NO3)2(aq) + (NH4)2SO4(aq) = 2(NH4)NO3(aq) + PbSO4(s)
KClO4 + I2 + KOH = KCl + KIO3 + H2O =>
5 KClO4 + 4 I2 + 8 KOH = 5 KCl + 8 KIO3 + 4 H2O
C4H10 + Br = C4H9Br + H2 =>
2 C4H10 + 2 Br = 2 C4H9Br + H2
Ca(NO3) + Ba(OH)2 = Ca(OH)2 + Ba(NO3) =>
Ca(NO3) + Ba(OH)2 = Ca(OH)2 + Ba(NO3)
FeCO + H2O = Fe2O3 + H2 + CO2 =>
2 FeCO + 5 H2O = Fe2O3 + 5 H2 + 2 CO2
(C5H12) = C5H12 = C5H12 =>
(C5H12) = C5H12
Be2O3{2-} + H2O + e = Be + OH{-} =>
Be2O3{2-} + 3 H2O + 4e = 2 Be + 6 OH{-}
N0 + H2 = NH3 =>
2 N0 + 3 H2 = 2 NH3
PbS + Ca(OH)2 = Pb(OH) + CaS2 =>
2 PbS + Ca(OH)2 = 2 Pb(OH) + CaS2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
C3H8(g) + O2(g) = CO2(g) + H2O(l) = {-}2220 =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(l)
Fe3(aq) + OH1(aq) = Fe(OH)3 =>
Fe3(aq) + 9 OH1(aq) = 3 Fe(OH)3
FeO + K3[Fe(CN)6] = Fe[Fe(CN)6] + K3O =>
FeO + K3[Fe(CN)6] = Fe[Fe(CN)6] + K3O
HNO3 = NO2 + O2 + H2O = HNO3 =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
PbCl2(s) + Al2(SO4)3(aq) = PbSO4(aq) + AlCl3(aq) =>
3 PbCl2(s) + Al2(SO4)3(aq) = 3 PbSO4(aq) + 2 AlCl3(aq)
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Li2(HSO3) + HClO4 = Li(ClO4) + H2(HSO3) =>
Li2(HSO3) + 2 HClO4 = 2 Li(ClO4) + H2(HSO3)
HCOOK + KOH + O2 = K2CO3 + H2O =>
2 HCOOK + 2 KOH + O2 = 2 K2CO3 + 2 H2O
FeCl3 + K3Fe(CN)6 = Fe3[Fe(CN)6]2 + KCl + Cl =>
3 FeCl3 + 2 K3Fe(CN)6 = Fe3[Fe(CN)6]2 + 6 KCl + 3 Cl
FeCO + H2O = Fe2O3 + H2 + CO2 =>
2 FeCO + 5 H2O = Fe2O3 + 5 H2 + 2 CO2
POCl3 + Ba(OH)2 = Ba3(PO4)2 + BaCl2 + H2O =>
2 POCl3 + 6 Ba(OH)2 = Ba3(PO4)2 + 3 BaCl2 + 6 H2O
SO3 + C = SO2 + CO =>
SO3 + C = SO2 + CO
Cr(NO3)3 + H2O = Cr(OH)3 + HNO3 =>
Cr(NO3)3 + 3 H2O = Cr(OH)3 + 3 HNO3
P4 + O2 = P2PO =>
3 P4 + 2 O2 = 4 P2PO
Si + CH4 = SiC + H2 =>
Si + CH4 = SiC + 2 H2
NaK + H2O = Na2O + K2O + H2 =>
2 NaK + 2 H2O = Na2O + K2O + 2 H2
KMnO4 + HNO3 + H2SO4 = K2SO4 + HNO5 + MnSO4 + H2O =>
4 KMnO4 + 5 HNO3 + 6 H2SO4 = 2 K2SO4 + 5 HNO5 + 4 MnSO4 + 6 H2O
C4H10 + Br = C4H9Br + H2 =>
2 C4H10 + 2 Br = 2 C4H9Br + H2
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