| Équations équilibrées la veille |
HNO2 + N2H4 = HN3 + 2 H2O
ClO{-} + S2O3{-2} + OH{-} = SO4{-2} + Cl{-} + H2O =>
4 ClO{-} + S2O3{-2} + 2 OH{-} = 2 SO4{-2} + 4 Cl{-} + H2O
CuO + BrF3 = CuF2 + Br2 + O2 =>
6 CuO + 4 BrF3 = 6 CuF2 + 2 Br2 + 3 O2
PbO2 + CrCl3 + NaOH = PbO + Na2CrO4 + NaCl + H2O =>
3 PbO2 + 2 CrCl3 + 10 NaOH = 3 PbO + 2 Na2CrO4 + 6 NaCl + 5 H2O
Mg(s) + CuSO4(aq) = MgSO4 + Cu =>
Mg(s) + CuSO4(aq) = MgSO4 + Cu
KMnO7 + K2S + KOH = K2MnO7 + H2O + K2SO4 =>
8 KMnO7 + K2S + 8 KOH = 8 K2MnO7 + 4 H2O + K2SO4
CaCl2 + CaCO3 = Ca2CO3 + Cl2 =>
CaCl2 + CaCO3 = Ca2CO3 + Cl2
CH2CH2 + KMnO4 + H2O = CH2OHCH2OH + MnO2 + KOH =>
3 CH2CH2 + 2 KMnO4 + 4 H2O = 3 CH2OHCH2OH + 2 MnO2 + 2 KOH
ZnO + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
NH4NO3(s) = H2O(l) + N2(g) + O2(g) =>
2 NH4NO3(s) = 4 H2O(l) + 2 N2(g) + O2(g)
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
C2H3C2Cl + O2 = CO + H2O + HCl =>
2 C2H3C2Cl + 5 O2 = 8 CO + 2 H2O + 2 HCl
Cr2O7 + NO2 = Cr(NO3)3 + O2 =>
2 Cr2O7 + 12 NO2 = 4 Cr(NO3)3 + O2
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
Al4C3 + H2SO4 = CO2 + Al2(SO4)3 + H2O + SO2 =>
Al4C3 + 18 H2SO4 = 3 CO2 + 2 Al2(SO4)3 + 18 H2O + 12 SO2
CuO2 + HNO3 = Cu(NO3)2 + H2O2 =>
CuO2 + 2 HNO3 = Cu(NO3)2 + H2O2
ZnO + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 H2O
K2CO3 + CaSO4 = K2Ca + CO3SO4 =>
K2CO3 + CaSO4 = K2Ca + CO3SO4
Pb + CrF3 = Cr + PbF4 =>
3 Pb + 4 CrF3 = 4 Cr + 3 PbF4
SO + H2O = SOH2O =>
SO + H2O = SOH2O
Ca(IO3)2 = Ca + (IO3)2 =>
Ca(IO3)2 = Ca + (IO3)2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P4O9 + NaOH = Na2HPO4 + Na2HPO3 + H2O =>
P4O9 + 8 NaOH = 3 Na2HPO4 + Na2HPO3 + 2 H2O
CU + ZnSO4 = CUSO4 + Zn =>
CU + ZnSO4 = CUSO4 + Zn
CaOHCl + H2SO4 = CaSO4 + HCl + H2O =>
CaOHCl + H2SO4 = CaSO4 + HCl + H2O
FeCl3 + KSCN = K3[Fe(NCS)6] + KCl =>
FeCl3 + 6 KSCN = K3[Fe(NCS)6] + 3 KCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
I + HNO3 = HIO3 + NO + H2O =>
3 I + 5 HNO3 = 3 HIO3 + 5 NO + H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
H3PO4 + Ag = Ag3PO4 + H =>
H3PO4 + 3 Ag = Ag3PO4 + 3 H
Fe + KMnO4 = Fe(MnO4)2 + K =>
Fe + 2 KMnO4 = Fe(MnO4)2 + 2 K
CrOH4 + H2O2 = CrO4 + H2O =>
CrOH4 + 5 H2O2 = CrO4 + 7 H2O
AlI3 + H2 = Al + HI =>
2 AlI3 + 3 H2 = 2 Al + 6 HI
NO + CrCl2 + HCl = CrCl3 + NH2OH =>
NO + 3 CrCl2 + 3 HCl = 3 CrCl3 + NH2OH
Na2[Be(OH)4] + N2O5 = NaNO3 + H2O + Be(OH)2 =>
Na2[Be(OH)4] + N2O5 = 2 NaNO3 + H2O + Be(OH)2
HC2H3O2 + KOH = KC2H3O2 + H2O =>
HC2H3O2 + KOH = KC2H3O2 + H2O
MgNO3 + H2O = MgOH + HNO3 =>
MgNO3 + H2O = MgOH + HNO3
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
C8H8 + H2 = C8H18 =>
C8H8 + 5 H2 = C8H18
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
KMnO4 + H2SO4 + NaNO2 = K2SO4 + NaNO3 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = K2SO4 + 5 NaNO3 + 2 MnSO4 + 3 H2O
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
Br2 + MgCl2 = Br2Cl2 + Mg =>
Br2 + MgCl2 = Br2Cl2 + Mg
NO2 + H = N2 + H2O =>
2 NO2 + 8 H = N2 + 4 H2O
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