| Équations équilibrées la veille |
S{-2} + 4 Cl2 + 8 OH{-} = SO4{-2} + 8 Cl{-} + 4 H2O
I2 + Cl = ICl3 =>
I2 + 6 Cl = 2 ICl3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
KI + Pb(CH3COO)2 = PbI2 + CH3CO2K =>
2 KI + Pb(CH3COO)2 = PbI2 + 2 CH3CO2K
CaCl2(aq) + NaHCO3(aq) = NaCl(aq) + CaCO3(s) + CO2(g) + H2O(l) =>
CaCl2(aq) + 2 NaHCO3(aq) = 2 NaCl(aq) + CaCO3(s) + CO2(g) + H2O(l)
Ag + Ca(OH)2 = Ag(OH)2 + Ca =>
Ag + Ca(OH)2 = Ag(OH)2 + Ca
B4C3 + CO2 = B2O3 + C =>
B4C3 + 3 CO2 = 2 B2O3 + 6 C
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
NaOH + NH4(NO3) = Na(NO3) + OH(NH4) =>
NaOH + NH4(NO3) = Na(NO3) + OH(NH4)
P + Fe = Fe3P =>
P + 3 Fe = Fe3P
Ba(C2O4) + K(IO3) = Ba(IO3)2 + K2(C2O4) =>
Ba(C2O4) + 2 K(IO3) = Ba(IO3)2 + K2(C2O4)
Pb + SCN = PbSCN =>
Pb + SCN = PbSCN
Cr2O7{-2} + H{+2} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+2} + 20e = 2 Cr{+3} + 7 H2O
H2OO2 = H2O + O2 =>
H2OO2 = H2O + O2
Sn + NaOH = SnH4 + NaO =>
Sn + 4 NaOH = SnH4 + 4 NaO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
F + MgI2 = MgF2 + I =>
2 F + MgI2 = MgF2 + 2 I
SO32{-} + CrO42{-} = SO42{-} + CrO2{-} =>
4 SO32{-} + CrO42{-} = 4 SO42{-} + CrO2{-}
C7H7NO2 + NaI + NaOCl = C7H6INO2 + Na2O + HCl =>
C7H7NO2 + NaI + NaOCl = C7H6INO2 + Na2O + HCl
CsF(s) = Cs(s) + F2(g) =>
2 CsF(s) = 2 Cs(s) + F2(g)
C2N2 + H2O = H2C2O4 + NH3 =>
C2N2 + 4 H2O = H2C2O4 + 2 NH3
CuSO4 + NH3 = [Cu(NH3)4]SO4 =>
CuSO4 + 4 NH3 = [Cu(NH3)4]SO4
HNO4 + H2S = NO + S + H2O =>
2 HNO4 + 5 H2S = 2 NO + 5 S + 6 H2O
Cu{2+} + HPO4{2-} + H2O = Cu(OH)2 + H2PO4{-} =>
Cu{2+} + 2 HPO4{2-} + 2 H2O = Cu(OH)2 + 2 H2PO4{-}
Ca + Cl7 = CaCl2 =>
7 Ca + 2 Cl7 = 7 CaCl2
P5 + HNO3 = H3PO4 + NO2 + H2O =>
P5 + 25 HNO3 = 5 H3PO4 + 25 NO2 + 5 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2(SO4)3 + HCl = FeCl3 + H2O + SO3 =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2O + 3 SO3
HNO3 + CrC3 = Cr(NO3)2 + CO2 + NO + H2O =>
20 HNO3 + 3 CrC3 = 3 Cr(NO3)2 + 9 CO2 + 14 NO + 10 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
K + Cl2Cu = KCl + Cu =>
2 K + Cl2Cu = 2 KCl + Cu
Br2 + NO2 = NO2Br =>
Br2 + 2 NO2 = 2 NO2Br
CH3COOH + PCl3 = CH3COCl + H2PHO3 =>
3 CH3COOH + PCl3 = 3 CH3COCl + H2PHO3
AgO + NaNO2 + HNO3 = HNO2 + AgNO3 + Na2O =>
2 AgO + 2 NaNO2 + HNO3 = HNO2 + 2 AgNO3 + Na2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Zn + H3PO4 = ZnP + H3O4 =>
Zn + H3PO4 = ZnP + H3O4
Cl2 + SnO = SnCl4 + O2 =>
4 Cl2 + 2 SnO = 2 SnCl4 + O2
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
CaS + H2S = H2Ca + S =>
CaS + H2S = H2Ca + 2 S
LiH + BCl3 = B2H6 + LiCl =>
6 LiH + 2 BCl3 = B2H6 + 6 LiCl
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CrO3 + CaO = CaCrO4 =>
CrO3 + CaO = CaCrO4
PbO = Pb + O =>
PbO = Pb + O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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Équations équilibrées sur01/26/25
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