| Équations équilibrées la veille |
2(PPh3)2CuBH4 = 2 Ph3PBH3 + 2 Cu + 2 Ph3P + H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
H2NCH(CH3)CN + H2O = H2NCH(CH3)COOH + NH3 =>
H2NCH(CH3)CN + 2 H2O = H2NCH(CH3)COOH + NH3
FeS2 + O2 = SO2 + Fe203 =>
203 FeS2 + 406 O2 = 406 SO2 + Fe203
AgNO3BaCl2 = AgCl2(s)BaNO3 =>
AgNO3BaCl2 = AgCl2(s)BaNO3
C4H6O3 + CH3CH2OH = CH3CH2O2CCH3 + CH3COOH =>
C4H6O3 + CH3CH2OH = CH3CH2O2CCH3 + CH3COOH
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
As(s) + CaCl2(aq) = Ca(s) + AsCl(aq) =>
2 As(s) + CaCl2(aq) = Ca(s) + 2 AsCl(aq)
Li{+} + Br{-} = Li + Br =>
Li{+} + Br{-} = Li + Br
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C10H20O + H2 = C10H22O =>
C10H20O + H2 = C10H22O
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
Mg + AlCl3 = MgCl3 + Al3 =>
3 Mg + 3 AlCl3 = 3 MgCl3 + Al3
C6H6O + Br = C6H3Br3O + HBr =>
C6H6O + 6 Br = C6H3Br3O + 3 HBr
HCOOH + NaCN = NaCOOH + HCN =>
HCOOH + NaCN = NaCOOH + HCN
K2CO3 + CuCl2 = KCl + CuCO3 =>
K2CO3 + CuCl2 = 2 KCl + CuCO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + Co(NO3)3 = Al(NO3)3 + Co =>
Al + Co(NO3)3 = Al(NO3)3 + Co
KClO3 + C = KCl + CO2 =>
2 KClO3 + 3 C = 2 KCl + 3 CO2
C2H4(OH)2 + HBr = C2H4Br2 + H2O =>
C2H4(OH)2 + 2 HBr = C2H4Br2 + 2 H2O
Sn{2+} + Ag = Sn + Ag{+) =>
Sn{2+} + 2 Ag = Sn + 2 Ag{+)
PbCl4 + K2O = PbO2 + KCl =>
PbCl4 + 2 K2O = PbO2 + 4 KCl
HNO3 + H = NO + H3O =>
HNO3 + 5 H = NO + 2 H3O
VCl2 + KNO3 + H2O = KVO4 + NO + HCl + KCl =>
3 VCl2 + 5 KNO3 + 2 H2O = 3 KVO4 + 5 NO + 4 HCl + 2 KCl
PbCO3 = Pb + CO3 =>
PbCO3 = Pb + CO3
Ba(Cl)2 + SO4 = BaSO4 + Cl2 =>
Ba(Cl)2 + SO4 = BaSO4 + Cl2
CaH2 + H2O = CaO22H2 + H2 =>
CaH2 + 22 H2O = CaO22H2 + 22 H2
O2 + SbO = SbO2 =>
O2 + 2 SbO = 2 SbO2
Na2CO3 + HC2H3O2 = NaHC2H3O2 + CO2 + H2O =>
4 Na2CO3 + 9 HC2H3O2 = 8 NaHC2H3O2 + 6 CO2 + 2 H2O
CH3(CH2)3CH(C2H5)CO2H + NaOH + CoSO4 = (CH3(CH2)3CH(C2H5)CO2)2Co + Na2SO4 + H2O =>
2 CH3(CH2)3CH(C2H5)CO2H + 2 NaOH + CoSO4 = (CH3(CH2)3CH(C2H5)CO2)2Co + Na2SO4 + 2 H2O
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(s) + NH4C2H3O2(aq) =>
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(s) + 2 NH4C2H3O2(aq)
Mg(OH)2 + HCl = MgCl2 + (OH2)2 =>
Mg(OH)2 + 2 HCl = MgCl2 + (OH2)2
Sc2VC2F2 = V6C5 + Sc4C3 + VF3 + C =>
18 Sc2VC2F2 = V6C5 + 9 Sc4C3 + 12 VF3 + 4 C
Al2O3 + Al2S3 = Al4(SO)3 =>
Al2O3 + Al2S3 = Al4(SO)3
PPh3 + CuCl2H2O = [CuCl(PPh3)3] + OPPh3 + H2O + HCl =>
7 PPh3 + 2 CuCl2H2O = 2[CuCl(PPh3)3] + OPPh3 + H2O + 2 HCl
V2(CO3)3 + H2SO4 = V2(SO4)3 + H2CO3 =>
V2(CO3)3 + 3 H2SO4 = V2(SO4)3 + 3 H2CO3
PH3 + H2O = PH4 + OH =>
PH3 + H2O = PH4 + OH
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
K2ClO3 + KI = KCl + I2 + K2O =>
2 K2ClO3 + 10 KI = 2 KCl + 5 I2 + 6 K2O
Co + I = CoI3 =>
Co + 3 I = CoI3
NH2 + H2O = NH3 + NO =>
5 NH2 + H2O = 4 NH3 + NO
HI + Al(OH)3 = H2O + AlIO =>
HI + Al(OH)3 = 2 H2O + AlIO
C200H203O3H7 + O2 = CO2 + H2O =>
C200H203O3H7 + 251 O2 = 200 CO2 + 105 H2O
SOCl2 + Cl2 + H2O = H2SO4 + HCl =>
SOCl2 + Cl2 + 3 H2O = H2SO4 + 4 HCl
C + S = CS2 =>
C + 2 S = CS2
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq) =>
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq)
NiCO3 = Ni4 + O3 + C =>
4 NiCO3 = Ni4 + 4 O3 + 4 C
HClO3(aq) + NaOH(aq) = NaClO3 + HOH(l) =>
HClO3(aq) + NaOH(aq) = NaClO3 + HOH(l)
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Équations équilibrées sur12/16/24
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