| Équations équilibrées la veille |
CH3CH2COOH + CH3CH2COCl = (CH3CH2CO)2O + HCl
Fe2O3 + Cu = Fe2 + CuO3 =>
Fe2O3 + Cu = Fe2 + CuO3
H2NO2 + K2MnO4 + H2SO4 = H2NO3 + MnSO4 + K2SO4 + H2O =>
2 H2NO2 + K2MnO4 + 2 H2SO4 = 2 H2NO3 + MnSO4 + K2SO4 + 2 H2O
C6H4CH3Cl + NaOH = C6H4CH3ONa + HCl =>
C6H4CH3Cl + NaOH = C6H4CH3ONa + HCl
Ba3N2 + HF = BaF2 + NH3 =>
Ba3N2 + 6 HF = 3 BaF2 + 2 NH3
NaI2 + Br2 = Br2I2 + Na =>
NaI2 + Br2 = Br2I2 + Na
N2O5(g) = NO2 + O2(g) =>
2 N2O5(g) = 4 NO2 + O2(g)
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
FeO(s) = Fe(s) + O2(s) =>
2 FeO(s) = 2 Fe(s) + O2(s)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
KCl + Zn3(PO4)2 = ZnCl2 + K3PO4 =>
6 KCl + Zn3(PO4)2 = 3 ZnCl2 + 2 K3PO4
HCl + Fe2S3 = H2S + FeCl3 =>
6 HCl + Fe2S3 = 3 H2S + 2 FeCl3
FeS2 + O2 = Fe2O3 + (SO2) =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8(SO2)
Fe2(SO4)3 + H2S = Fe2S3 + H2SO2 =>
Fe2(SO4)3 + 6 H2S = Fe2S3 + 6 H2SO2
CrCl2 + NaOCl + NaOH = Na2Cr2O4 + NaCl + H2O =>
2 CrCl2 + NaOCl + 6 NaOH = Na2Cr2O4 + 5 NaCl + 3 H2O
Br2(aq) + MgI2(aq) = MgBr2(aq) + I2(aq) =>
Br2(aq) + MgI2(aq) = MgBr2(aq) + I2(aq)
S2{2-} + SO3{2-} + H{+} = S + H2O =>
2 S2{2-} + SO3{2-} + 6 H{+} = 5 S + 3 H2O
CH2O2 + KOH = KCHO2 + H2O =>
CH2O2 + KOH = KCHO2 + H2O
Pb(NO3)2 + K4(Fe(CN)6) = Pb2Fe(CN)6 + KNO3 =>
2 Pb(NO3)2 + K4(Fe(CN)6) = Pb2Fe(CN)6 + 4 KNO3
NiS + NaOH + H2O2 = Ni(OH)2 + Na2SO4 + H2O =>
NiS + 2 NaOH + 4 H2O2 = Ni(OH)2 + Na2SO4 + 4 H2O
Cd(OH)2 + NH3 = [Cd(NH3)4] + OH =>
Cd(OH)2 + 4 NH3 = [Cd(NH3)4] + 2 OH
C9H12 + H2SO4 + K2Cr2O7 = C6H6O + K2SO4 + Cr2(SO4)3 + H2O =>
2 C9H12 + 8 H2SO4 + 2 K2Cr2O7 = 3 C6H6O + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Mn(s) + HBr(aq) = MnBr + H =>
Mn(s) + HBr(aq) = MnBr + H
CH3 + Cl2 = CCl4 + HCl =>
2 CH3 + 7 Cl2 = 2 CCl4 + 6 HCl
H2SO4 + Au(OH)3 = Au2(SO4)3 + H2O =>
3 H2SO4 + 2 Au(OH)3 = Au2(SO4)3 + 6 H2O
Rb2O + H3PO4 = Rb3PO4 + H2O =>
3 Rb2O + 2 H3PO4 = 2 Rb3PO4 + 3 H2O
C2H2OH + O2 = C02 + H2O =>
4 C2H2OH + O2 = 4 C02 + 6 H2O
CHCH2COOCH3 + O2 = CO2 + H2O =>
2 CHCH2COOCH3 + 9 O2 = 8 CO2 + 6 H2O
NaCrO2 + PbO2 + KOH = KNaCrO4 + PbO + H2O =>
2 NaCrO2 + 3 PbO2 + 2 KOH = 2 KNaCrO4 + 3 PbO + H2O
SnO2(s) + CO(g) = Sn(s) + CO2(g)* =>
SnO2(s) + 2 CO(g) = Sn(s) + 2 CO2(g)*
Ag + SrBr2 = AgBr2 + Sr =>
Ag + SrBr2 = AgBr2 + Sr
Mg + O2(g) = Mg2O2 =>
2 Mg + O2(g) = Mg2O2
Fe + H2SO4 = Fe2SO43 + SO2 + H2O =>
2 Fe + 41 H2SO4 = Fe2SO43 + 40 SO2 + 41 H2O
Fe3 + CuSO4 = Cu2 + FeSO4 =>
2 Fe3 + 6 CuSO4 = 3 Cu2 + 6 FeSO4
HCOOH + H2SO4 = H2O + (HCO)2SO4 =>
2 HCOOH + H2SO4 = 2 H2O + (HCO)2SO4
NiSO4 + H2SO4 = Ni(HSO4)2 =>
NiSO4 + H2SO4 = Ni(HSO4)2
AICI3 + NaOH = AI3OH + NaCI =>
AICI3 + NaOH = AI3OH + NaCI
AsCl5 + P2O3 = As2O5 + PCl3 =>
6 AsCl5 + 5 P2O3 = 3 As2O5 + 10 PCl3
C6H12O6 + Cu(OH)2 = CuOH + C6H12O7 + H2O =>
C6H12O6 + 2 Cu(OH)2 = 2 CuOH + C6H12O7 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
aluminum + copper(ii)sulfate = copper + aluminumsulfate =>
2 Al + 3 CuSO4 = 3 Cu + Al2(SO4)3
sodiumsulfate + calciumnitrate = sodiumnitrate + calciumsulfate =>
Na2SO4 + Ca(NO3)2 = 2 NaNO3 + CaSO4
Pb(OCN)2 + NH3 + H2O = Pb(OH)2 + NH4(OCN) =>
Pb(OCN)2 + 2 NH3 + 2 H2O = Pb(OH)2 + 2 NH4(OCN)
NaHCO3 + Al(OH)3 = Na[Al(OH)4] + CO2 =>
NaHCO3 + Al(OH)3 = Na[Al(OH)4] + CO2
Fe(OH)3 + HNO3 = FeOH(NO3)2 + H2O =>
Fe(OH)3 + 2 HNO3 = FeOH(NO3)2 + 2 H2O
KCO3 + H2SO4 = KSO4 + CO2 + H2O =>
KCO3 + H2SO4 = KSO4 + CO2 + H2O
Ag2S = Ag + S =>
Ag2S = 2 Ag + S
Al(HCO3)3 + AlPO4 = Al2(CO3)3 + H3PO4 =>
Al(HCO3)3 + AlPO4 = Al2(CO3)3 + H3PO4
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