Équations équilibrées la veille | Équations équilibrées le lendemain |
HCOOC2H5KOH = HCOOKC2H5OH
KMnO4 + C3H6 + H2O = MnO2 + KOH + C3H8O2 =>
2 KMnO4 + 3 C3H6 + 4 H2O = 2 MnO2 + 2 KOH + 3 C3H8O2
HBr(aq) + F2(g) = HF(aq) + Br2(g) =>
2 HBr(aq) + F2(g) = 2 HF(aq) + Br2(g)
X(s) + HCl(aq) = XCl3(aq) + H2(g) =>
2 X(s) + 6 HCl(aq) = 2 XCl3(aq) + 3 H2(g)
CH3CH2OH + KMnO4 + H2SO4 = K2SO4 + CH3COOH + MnO + H2O =>
5 CH3CH2OH + 4 KMnO4 + 2 H2SO4 = 2 K2SO4 + 5 CH3COOH + 4 MnO + 7 H2O
AgNO3 + KJ = AgJ + KNO3 =>
AgNO3 + KJ = AgJ + KNO3
Bi + HNO3 = NO2 + H2O + Bi(NO3)3 =>
Bi + 6 HNO3 = 3 NO2 + 3 H2O + Bi(NO3)3
HBr + Fe = Br + FeH =>
HBr + Fe = Br + FeH
BaCl2(aq) + NaI(aq) = NaCl(aq) + BaI2(aw) =>
BaCl2(aq) + 2 NaI(aq) = 2 NaCl(aq) + BaI2(aw)
AcH(aq) + NaOH(aq) = AcNa(aq) + H2O(l) =>
AcH(aq) + NaOH(aq) = AcNa(aq) + H2O(l)
Ni(OH)2 + KBrO3 = NiOOH + KBr + H2O =>
6 Ni(OH)2 + KBrO3 = 6 NiOOH + KBr + 3 H2O
NH4OH + HC2H3O2 = NC2H3O2 + H6O =>
NH4OH + HC2H3O2 = NC2H3O2 + H6O
(NH4)2ReF6 + C16H36FN = (C16H36N)2ReF6 + NH4F =>
(NH4)2ReF6 + 2 C16H36FN = (C16H36N)2ReF6 + 2 NH4F
HBrO(aq) + OH{-}(aq) = BrO{-}(aq) + H2O(l) =>
HBrO(aq) + OH{-}(aq) = BrO{-}(aq) + H2O(l)
K2O + H2O = K + H2O3 =>
2 K2O + H2O = 4 K + H2O3
K + HU = H2 + KU =>
2 K + 2 HU = H2 + 2 KU
Cl2(g) + KI(s) = KCl + I2(s) =>
Cl2(g) + 2 KI(s) = 2 KCl + I2(s)
Co(NH3)5Cl2 + H2O2 = Co(OH)(NH3)5Cl2 =>
2 Co(NH3)5Cl2 + H2O2 = 2 Co(OH)(NH3)5Cl2
C4 + Fe2O3 = Fe3 + CO2 =>
9 C4 + 24 Fe2O3 = 16 Fe3 + 36 CO2
CH3CH2Cl + NaBr = CH3CH2Br + NaCl =>
CH3CH2Cl + NaBr = CH3CH2Br + NaCl
KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + O2 =>
4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 2 K2SO4 + 6 H2O + 5 O2
KCl + Br2 = KBr2Cl =>
KCl + Br2 = KBr2Cl
CaCl2(aq) + NaOH(aq) = Ca(OH)2(aq) + NaCl(aq) =>
CaCl2(aq) + 2 NaOH(aq) = Ca(OH)2(aq) + 2 NaCl(aq)
AlCl3 + Na2SO4 = AlSO4 + Na2Cl3 =>
AlCl3 + Na2SO4 = AlSO4 + Na2Cl3
AgC2H3O2 + SrCl2 = AgCl + Sr(C2H3O2)2 =>
2 AgC2H3O2 + SrCl2 = 2 AgCl + Sr(C2H3O2)2
NaOH + Cr(NO3)3 = NaNO3 + Cr(OH)3 =>
3 NaOH + Cr(NO3)3 = 3 NaNO3 + Cr(OH)3
CH3CH2COCH3 + I2 + NaOH = CHI3 + NaI + H2O =>
CH3CH2COCH3 + 7 I2 + 2 NaOH = 4 CHI3 + 2 NaI + 3 H2O
SO3 + HF = H2SO3 + F =>
SO3 + 2 HF = H2SO3 + 2 F
PbO2 + MnSO4 + H2SO4 = PbSO4 + Mn2(SO4)3 + H2O =>
PbO2 + 2 MnSO4 + 2 H2SO4 = PbSO4 + Mn2(SO4)3 + 2 H2O
C + NaOH + H2O = Na2CO3 + H3 =>
3 C + 6 NaOH + 3 H2O = 3 Na2CO3 + 4 H3
S + C + O2 = COS =>
2 S + 2 C + O2 = 2 COS
Cu(NH3)4 + OH + H2SO4 = CuSO4 + (NH4)2SO4 + H2O =>
Cu(NH3)4 + 2 OH + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H2O
CoSO4*7H2O + (NH4)C2O4 = (NH4)2[Co(C2O4)2]2 + (NH4)SO4 + H2O =>
2 CoSO4*7H2O + 4(NH4)C2O4 = (NH4)2[Co(C2O4)2]2 + 2(NH4)SO4 + 14 H2O
H2SO4(aq) + K3PO4(aq) = H2PO4(aq) + K3SO4(aq) =>
H2SO4(aq) + K3PO4(aq) = H2PO4(aq) + K3SO4(aq)
O2 + NH4 = N2 + H4O2 =>
2 O2 + 2 NH4 = N2 + 2 H4O2
NaHCO3(s) = CO2(s) + Na2CO3(g) + H2O(g) =>
2 NaHCO3(s) = CO2(s) + Na2CO3(g) + H2O(g)
CrI3 + Cl2 + KOH = K2CrO4 + KIO4 + KCl + H2O =>
2 CrI3 + 27 Cl2 + 64 KOH = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
PbO2 + Br2 = PbBr2 + O2 =>
PbO2 + Br2 = PbBr2 + O2
N2O5(s)Ca(OH)2(aq) = Ca(NO3)2H2O =>
N2O5(s)Ca(OH)2(aq) = Ca(NO3)2H2O
PbS + Cl2 = Pb + SCl =>
2 PbS + Cl2 = 2 Pb + 2 SCl
V2O5 + Na2S2O5 + H2SO4 + H2O = VOSO4(H2O)5 + Na2SO4 =>
2 V2O5 + Na2S2O5 + 3 H2SO4 + 17 H2O = 4 VOSO4(H2O)5 + Na2SO4
C2H4 + O2 = O2H4 + C2(classification) =>
C2H4 + O2 = O2H4 + C2(classification)
P2H4 = P4H3 + PH3 =>
9 P2H4 = 2 P4H3 + 10 PH3
AgNO3 + NH3 + HCHO = Ag + NH4NO3 + CO2 =>
4 AgNO3 + 2 NH3 + 3 HCHO = 4 Ag + 3 NH4NO3 + 3 CO2
AgSO4 + NH4CO3 = AgCO3 + NH4SO4 =>
AgSO4 + NH4CO3 = AgCO3 + NH4SO4
K2Cr2O7 + H2SO4 = K2SO4 + H2O + O2 + Cr2(SO4)3 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 8 H2O + 3 O2 + 2 Cr2(SO4)3
NaHCO3 + C2H4O2 = CO2 + NaC2H3O2 + H2O =>
NaHCO3 + C2H4O2 = CO2 + NaC2H3O2 + H2O
HCl + Br2 + K2CrO4 = CrCl3 + KBrO2 + H2O + KCl =>
8 HCl + Br2 + 2 K2CrO4 = 2 CrCl3 + 2 KBrO2 + 4 H2O + 2 KCl
H2CO3 + K2 = KHCO3 + H2 =>
2 H2CO3 + K2 = 2 KHCO3 + H2
NiAs(s) + O2(g) = NiO(s) + As4O6 =>
4 NiAs(s) + 5 O2(g) = 4 NiO(s) + As4O6
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