| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
KI + H2SO3(O2) = I2 + K2SO4 + H2O =>
2 KI + H2SO3(O2) = I2 + K2SO4 + H2O
SiO2(s) + C(s)6 = SiC(s) + CO(g) =>
2 SiO2(s) + C(s)6 = 2 SiC(s) + 4 CO(g)
Fe{3+} + OH{-} = Fe(OH)3 =>
Fe{3+} + 3 OH{-} = Fe(OH)3
Ag + HNO3(stez) = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3(stez) = 3 AgNO3 + NO + 2 H2O
CO2 + CuO = CuCO3 =>
CO2 + CuO = CuCO3
C6H6(CH3)2 + HNO3 = C6H6(COOH)2 + NO2 + H2O =>
C6H6(CH3)2 + 12 HNO3 = C6H6(COOH)2 + 12 NO2 + 8 H2O
CuO + sodium = copper + sodiumoxide =>
CuO + 2 Na = Cu + Na2O
LiOH + CuO = Cu(OH)2 + Li2O =>
2 LiOH + CuO = Cu(OH)2 + Li2O
ClF5 + H2O = FClO4 + HF + HCl =>
5 ClF5 + 12 H2O = 3 FClO4 + 22 HF + 2 HCl
H + At = HAt =>
H + At = HAt
VO + Fe2O3 = V2O5 + FeO =>
2 VO + 3 Fe2O3 = V2O5 + 6 FeO
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Cu(BO2)2 + NaBO2 + C = Cu2(BO2)2 + Na2B4O7 + CO =>
2 Cu(BO2)2 + 2 NaBO2 + C = Cu2(BO2)2 + Na2B4O7 + CO
PbO2 + NaOH = Na2PbO3 + H2O =>
PbO2 + 2 NaOH = Na2PbO3 + H2O
BaBr2 + Na2(SO4) = Ba(SO4) + NaBr =>
BaBr2 + Na2(SO4) = Ba(SO4) + 2 NaBr
Li(s) + HCl(aq) = LiCl(aq) + H2(g) =>
2 Li(s) + 2 HCl(aq) = 2 LiCl(aq) + H2(g)
Cu(NO3)2(aq) + NH4OH(aq) = Cu(OH)2(aq) + NH4NO3(aq) =>
Cu(NO3)2(aq) + 2 NH4OH(aq) = Cu(OH)2(aq) + 2 NH4NO3(aq)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HBr + O2 = HBrO3 =>
2 HBr + 3 O2 = 2 HBrO3
C4H4S(l) + O2(g) = SO2(g) + CO2(g) + H2O(g) =>
C4H4S(l) + 6 O2(g) = SO2(g) + 4 CO2(g) + 2 H2O(g)
Na2CO3 + H2O = Na2(OH)2 + H2CO3 =>
Na2CO3 + 2 H2O = Na2(OH)2 + H2CO3
Mg(OH)2 + H2O = Mg(OH)2H{+} + OH{-} =>
Mg(OH)2 + H2O = Mg(OH)2H{+} + OH{-}
C3H8 + Br = C3H4Br4 + HBr =>
C3H8 + 8 Br = C3H4Br4 + 4 HBr
MnO2(s) + HBr(aq) = MnBr2(aq) + H2O(l) + Br2(g) =>
MnO2(s) + 4 HBr(aq) = MnBr2(aq) + 2 H2O(l) + Br2(g)
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
NaNH4HPO4 + NaOH = Na3PO4 + NH3 + H2O =>
NaNH4HPO4 + 2 NaOH = Na3PO4 + NH3 + 2 H2O
CuO + Br2 = Cu(Br2)2 + O =>
CuO + 2 Br2 = Cu(Br2)2 + O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C12H14 + O2 = CO2 + H2O =>
2 C12H14 + 31 O2 = 24 CO2 + 14 H2O
C2H4Br2 + KOH = C2H3Br + KBr + H2O =>
C2H4Br2 + KOH = C2H3Br + KBr + H2O
(CH3CH2)3C + (CH3)2NH = (CH3CH2)3C(CH3)2NH =>
(CH3CH2)3C + (CH3)2NH = (CH3CH2)3C(CH3)2NH
H{+} + Cr2O7{-2} + Cl{-3} = Cr{+3} + Cl2 + H2O =>
14 H{+} + Cr2O7{-2} + 2 Cl{-3} = 2 Cr{+3} + Cl2 + 7 H2O
NaCl + H2O + CO2 + NH3 = NaHCO3 + NH4Cl =>
NaCl + H2O + CO2 + NH3 = NaHCO3 + NH4Cl
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
C7H8 + O2 = H2O + CO2 =>
C7H8 + 9 O2 = 4 H2O + 7 CO2
K2S + NH4(C2H3O2) = K(C2H3O2) + (NH4)2S =>
K2S + 2 NH4(C2H3O2) = 2 K(C2H3O2) + (NH4)2S
Ca + Br2 = Ca2Br4 =>
2 Ca + 2 Br2 = Ca2Br4
Na2O(s) + HCl(aq) = NaCl(aq) + H2O(l) =>
Na2O(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l)
NaHCO3 + CuSO4 = Cu2(OH)2CO3 + CO2 + H2O + Na2SO4 =>
4 NaHCO3 + 2 CuSO4 = Cu2(OH)2CO3 + 3 CO2 + H2O + 2 Na2SO4
MnO4{-} + H3O{+} + H2C2O4 = Mn{2+} + H2O + CO2 =>
2 MnO4{-} + 6 H3O{+} + 5 H2C2O4 = 2 Mn{2+} + 14 H2O + 10 CO2
Fe + PbS = Pb + FeS2 =>
Fe + 2 PbS = 2 Pb + FeS2
SO3{-2} + MnO4{-2} + H{+} = SO4{-2} + Mn{+2} + H2O =>
2 SO3{-2} + MnO4{-2} + 4 H{+} = 2 SO4{-2} + Mn{+2} + 2 H2O
K2Cr2O7 + Na2C2O4 + H2SO4 = K2SO4 + Cr2S3O4 + Na2SO4 + H2O + CO2 =>
K2Cr2O7 + 11 Na2C2O4 + 15 H2SO4 = K2SO4 + Cr2S3O4 + 11 Na2SO4 + 15 H2O + 22 CO2
Ba(NO3)2 + NH2SO3H + H2O = HNO3 + H2SO4 + Ba(NH2)2 =>
Ba(NO3)2 + 2 NH2SO3H + 2 H2O = 2 HNO3 + 2 H2SO4 + Ba(NH2)2
CH3CHBrCH2CH3 + KOH = CH3CHCHCH3 + KBr + H2O =>
CH3CHBrCH2CH3 + KOH = CH3CHCHCH3 + KBr + H2O
NaOH + H2C2O3 = HCOOH + HCOONa =>
NaOH + H2C2O3 = HCOOH + HCOONa
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Fe2O3 + KI + H2SO4 = K2SO4 + I2 + H2O + SO4Fe =>
Fe2O3 + 2 KI + 3 H2SO4 = K2SO4 + I2 + 3 H2O + 2 SO4Fe
LiAlH4 + C2H5NO = LiAlO2 + LiAl(C2H7N)2 + H2 =>
2 LiAlH4 + 2 C2H5NO = LiAlO2 + LiAl(C2H7N)2 + 2 H2
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Équations équilibrées sur01/15/25
Équations équilibrées sur02/14/24
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