| Équations équilibrées la veille |
Fe + 3 HClO3 = Fe(ClO3)3 + 3 H
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
BCl3 + NH3 = BH3 + NCl3 =>
BCl3 + NH3 = BH3 + NCl3
Ba + H2O = (OH)2Ba + H2 =>
Ba + 2 H2O = (OH)2Ba + H2
AgNO3 + NaSO4 = Ag2SO4 + Na(NO3)2 =>
2 AgNO3 + NaSO4 = Ag2SO4 + Na(NO3)2
Mg(Cl)2(aq) + H2(SO4)(aq) = Mg(SO4)(aq) + HCl(aq) =>
Mg(Cl)2(aq) + H2(SO4)(aq) = Mg(SO4)(aq) + 2 HCl(aq)
PO3 + S2O3 = P4 + SO2 =>
4 PO3 + 12 S2O3 = P4 + 24 SO2
H2S + HCl2 = SCl + H2 =>
4 H2S + 2 HCl2 = 4 SCl + 5 H2
Ca(NO3)2 = CaO + NO2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 4 NO2 + O2
B + S6 = B23S =>
138 B + S6 = 6 B23S
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H2O + CO2 = C5H9O1 + O2 =>
18 H2O + 20 CO2 = 4 C5H9O1 + 27 O2
H2O2 + KI + H2SO4 = K2SO4 + I2 + H2O =>
H2O2 + 2 KI + H2SO4 = K2SO4 + I2 + 2 H2O
CrO7{2-} + HSO = HSO4{-} + Cr3{+} =>
3 CrO7{2-} + 7 HSO = 7 HSO4{-} + Cr3{+}
CH2Br + H2 = CH2 + HBr =>
2 CH2Br + H2 = 2 CH2 + 2 HBr
SrCl2 + Ag = AgCl + Sr =>
SrCl2 + 2 Ag = 2 AgCl + Sr
KCIO + FeSO + H2SO = KCI + Fe2(SO4)3 + H2O =>
10 KCIO + 2 FeSO + H2SO = 10 KCI + Fe2(SO4)3 + H2O
CuCl2 + NaOH = Cu + H2O2 + NaCl =>
CuCl2 + 2 NaOH = Cu + H2O2 + 2 NaCl
Pb(OH)2 + OH{-} = [Pb(OH)4]{2-} =>
Pb(OH)2 + 2 OH{-} = [Pb(OH)4]{2-}
CaOHNO3 + KNO3 = Ca(NO3)2 + KOH =>
CaOHNO3 + KNO3 = Ca(NO3)2 + KOH
Cu12As4S13 + FeCl3 + H2O = CuCl2 + H3AsO3 + FeCl2 + HCl + S =>
Cu12As4S13 + 36 FeCl3 + 12 H2O = 12 CuCl2 + 4 H3AsO3 + 36 FeCl2 + 12 HCl + 13 S
OH{-} + I2 + MnO2 = I{-} + MnO4{2-} + H2O =>
4 OH{-} + I2 + MnO2 = 2 I{-} + MnO4{2-} + 2 H2O
K2SiO3 + H2O = KOH + H2SiO3 =>
K2SiO3 + 2 H2O = 2 KOH + H2SiO3
C3H8(g) + O2(g) = CO2(g) + H2 = (l) =>
C3H8(g) + 3 O2(g) = 3 CO2(g) + 4 H2
Pb(C2H3O2)4 + HOH = Pb(OH)4 + HC2H3O2 =>
Pb(C2H3O2)4 + 4 HOH = Pb(OH)4 + 4 HC2H3O2
MnO4{-} + CN{-} + H{+} = MnO2 + CNO + H2O =>
MnO4{-} + CN{-} + 2 H{+} = MnO2 + CNO + H2O
Mo2O6 + H2 = Mo + H2O =>
Mo2O6 + 6 H2 = 2 Mo + 6 H2O
Si + C4F8 = SiF4 + C =>
2 Si + C4F8 = 2 SiF4 + 4 C
H2SO4 + H2O = H5O + SO4 =>
3 H2SO4 + 2 H2O = 2 H5O + 3 SO4
C3H6O2 + H2 = C3H8O2 =>
C3H6O2 + H2 = C3H8O2
NH3 + OCl = N2H4 + Cl + H2O =>
2 NH3 + OCl = N2H4 + Cl + H2O
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
CuO + NH4Cl = Cu + CuCl2 + N2 + H2O =>
4 CuO + 2 NH4Cl = 3 Cu + CuCl2 + N2 + 4 H2O
BaCr2O7 + NaOH = Na2Cr2O7 + Ba(OH)2 =>
BaCr2O7 + 2 NaOH = Na2Cr2O7 + Ba(OH)2
CuSO4 + H2S = CuS + SO2 + H2O =>
3 CuSO4 + 4 H2S = 3 CuS + 4 SO2 + 4 H2O
C6H2OH(NO2)3(s) = C(s) + CO(g) + H2O(g) + N2(g) =>
2 C6H2OH(NO2)3(s) = C(s) + 11 CO(g) + 3 H2O(g) + 3 N2(g)
Na2H + CO3 = Na2O + CO2 + H2O =>
2 Na2H + 3 CO3 = 2 Na2O + 3 CO2 + H2O
HNO3 + CdS = Cd(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 CdS = 3 Cd(NO3)2 + 2 NO + 3 S + 4 H2O
Al2(Cr2O7)3 + PbO2 = Al2O3 + Pb(Cr2O7)2 =>
2 Al2(Cr2O7)3 + 3 PbO2 = 2 Al2O3 + 3 Pb(Cr2O7)2
CH(g) + O(g) = CO(g) + HO(l) =>
CH(g) + 2 O(g) = CO(g) + HO(l)
KI(s) + Cl2(g) = K2Cl(s) + I2(s) =>
4 KI(s) + Cl2(g) = 2 K2Cl(s) + 2 I2(s)
C9H20 + O24 = CO2 + H2O =>
6 C9H20 + 7 O24 = 54 CO2 + 60 H2O
Fe + AlBr3 = Br2 + AlFe =>
2 Fe + 2 AlBr3 = 3 Br2 + 2 AlFe
Kl + NH3 = KlNH3 =>
Kl + NH3 = KlNH3
C6H8 + H3PO3 = P4 + H2CO3 + H2O =>
3 C6H8 + 32 H3PO3 = 8 P4 + 18 H2CO3 + 42 H2O
NO2 + C2H3O4 = CO2 + H2O + N =>
3 NO2 + 4 C2H3O4 = 8 CO2 + 6 H2O + 3 N
Mg(C2H3O2)2 + KNO3 = K(C2H3O2)2 + MgNO3 =>
Mg(C2H3O2)2 + KNO3 = K(C2H3O2)2 + MgNO3
KClO3 + FeCl3 = KCl + FeCl2 + ClO2 =>
2 KClO3 + 3 FeCl3 = 2 KCl + 3 FeCl2 + 3 ClO2
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