| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 H2O = 2 NaOH + H2
C6H4(NO2)COOH + Zn + NaOH + H2O = C6H4(NH2)COONa + Na2[Zn(OH)4] =>
C6H4(NO2)COOH + 3 Zn + 7 NaOH + 3 H2O = C6H4(NH2)COONa + 3 Na2[Zn(OH)4]
HCl + Na2C2O4 = H2C2O4 + Na2Cl2 =>
2 HCl + Na2C2O4 = H2C2O4 + Na2Cl2
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
H2SO4 + MnO2 + NaCl = MnSO4 + H2O + Cl2 + Na2SO4 =>
2 H2SO4 + MnO2 + 2 NaCl = MnSO4 + 2 H2O + Cl2 + Na2SO4
Mn(OH)3 + Cu(SO4) = Cu(OH)2 + Mn2(SO4)3 =>
2 Mn(OH)3 + 3 Cu(SO4) = 3 Cu(OH)2 + Mn2(SO4)3
Cr{3+} + OH{-} + Br2 = Br{-} + CrO4{-} + H2O =>
Cr{3+} + 8 OH{-} + 2 Br2 = 4 Br{-} + CrO4{-} + 4 H2O
(NH4)2S2O8 + Cr2(SO4)3 + H2O = H2CrO4 + (NH4)2SO4 + H2SO4 =>
3(NH4)2S2O8 + Cr2(SO4)3 + 8 H2O = 2 H2CrO4 + 3(NH4)2SO4 + 6 H2SO4
(NH4)2SO4 + AgC2H3O2 = NH4C2H3O2 + Ag2SO4 =>
(NH4)2SO4 + 2 AgC2H3O2 = 2 NH4C2H3O2 + Ag2SO4
NiCl2 + C4H9NO2 = NiNO2 + C4H9Cl2 =>
NiCl2 + C4H9NO2 = NiNO2 + C4H9Cl2
C16H18ClN3S + H2SO4 + Cu = CO2 + H2O + Cu(NO3)2 + S + Cl =>
6 C16H18ClN3S + 100 H2SO4 + 9 Cu = 96 CO2 + 154 H2O + 9 Cu(NO3)2 + 106 S + 6 Cl
N2 + H2SO4 = N2SO4 + H2 =>
N2 + H2SO4 = N2SO4 + H2
K3SO4 + CaNO3 = (KNO3) + Ca3SO4 =>
K3SO4 + 3 CaNO3 = 3(KNO3) + Ca3SO4
(CH3)2N2H2(l) + N2O4(g) = N2(g) + H2O(g) + CO2(g) =>
(CH3)2N2H2(l) + 2 N2O4(g) = 3 N2(g) + 4 H2O(g) + 2 CO2(g)
Fe(NO3)3 = Fe2O3 + O2 + NO2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 3 O2 + 12 NO2
NaCl + MnO2 + H2SO4 = Cl2 + Mn2SO4 + Na2SO4 + H2O =>
6 NaCl + 2 MnO2 + 4 H2SO4 = 3 Cl2 + Mn2SO4 + 3 Na2SO4 + 4 H2O
NH4NCS + H2SO4 + H2O = COS + (NH4)2SO4 =>
NH4NCS + H2SO4 + H2O = COS + (NH4)2SO4
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Ca{2+} + Cl{-} = Ca{+} + Cl =>
Ca{2+} + Cl{-} = Ca{+} + Cl
KBr + H2SO4 = KHSO4 + Br2 + SO2 + H2O =>
2 KBr + 3 H2SO4 = 2 KHSO4 + Br2 + SO2 + 2 H2O
SiO2 + CaO = SiO2*CaO =>
SiO2 + CaO = SiO2*CaO
N2 + O = N2O =>
N2 + O = N2O
SO2 + Fe = FeS2 + O2 =>
2 SO2 + Fe = FeS2 + 2 O2
C + H2 + H2O = C2H5OH =>
2 C + 2 H2 + H2O = C2H5OH
Au + CN{-} + O2 + H2O = [Au(CN)2]{-} + OH{-} =>
4 Au + 8 CN{-} + O2 + 2 H2O = 4[Au(CN)2]{-} + 4 OH{-}
Al + HCl = AlCl3* + H2 =>
2 Al + 6 HCl = 2 AlCl3* + 3 H2
Zn + SnSO4 = Zn2SO4 + Sn =>
2 Zn + SnSO4 = Zn2SO4 + Sn
K2O + CO2 = K2CO3 =>
K2O + CO2 = K2CO3
NH4ClO4 + Al = N2 + HCl + Al2O3 + H2O =>
6 NH4ClO4 + 10 Al = 3 N2 + 6 HCl + 5 Al2O3 + 9 H2O
Na2SO4 + MgO = Na2O + MgSO4 =>
Na2SO4 + MgO = Na2O + MgSO4
Ca3P2 + H2O = Ca(OH)2 + PH3(aq) =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3(aq)
NaHCO3 + NH4Cl = CO2 + NaCl + NH3 + H2O =>
NaHCO3 + NH4Cl = CO2 + NaCl + NH3 + H2O
Cu{2+} + OH{-} = Cu(OH)2 =>
Cu{2+} + 2 OH{-} = Cu(OH)2
CH3CH2OH + H2O = CH3COOH + H2 =>
CH3CH2OH + H2O = CH3COOH + 2 H2
KMnO4 + HCl + H2SO4 = K2SO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 10 HCl + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
KMnO4 + H2SO4 + SnCl2 = MnSO4 + KCl + SnCl4 + H2O + Sn(SO4)2 =>
2 KMnO4 + 8 H2SO4 + 5 SnCl2 = 2 MnSO4 + 2 KCl + 2 SnCl4 + 8 H2O + 3 Sn(SO4)2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Pb(OH)4 + Na2CO3 = Pb2(CO3)4 + NaOH =>
2 Pb(OH)4 + 4 Na2CO3 = Pb2(CO3)4 + 8 NaOH
NaH2PO4 + NaOH = Na2HPO4 + H2O =>
NaH2PO4 + NaOH = Na2HPO4 + H2O
BH2N = BHN + H =>
BH2N = BHN + H
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
(NH4)2SO4 + KOH = K2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 KOH = K2SO4 + 2 NH3 + 2 H2O
(NH4)2NO2 + O2 = N2 + H2O =>
2(NH4)2NO2 + 2 O2 = 3 N2 + 8 H2O
Fe(SO4)3 + Na2S = FeS3 + Na2SO4 =>
Fe(SO4)3 + 3 Na2S = FeS3 + 3 Na2SO4
H2O + NH3 = NH4(OH) =>
H2O + NH3 = NH4(OH)
C6H5CHO + C2H5NH2 + CH3OH = C6H6C2H5NHCH3CH3 + H2O =>
C6H5CHO + 2 C2H5NH2 + 9 CH3OH = 2 C6H6C2H5NHCH3CH3 + 10 H2O
Be(OH)2 + NaCl = BeCl2 + NaOH =>
Be(OH)2 + 2 NaCl = BeCl2 + 2 NaOH
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Cr(OH)3 + NaNo3 = Cr(No3)3 + NaOH =>
Cr(OH)3 + 3 NaNo3 = Cr(No3)3 + 3 NaOH
P + I = PI3 =>
P + 3 I = PI3
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Équations équilibrées sur12/13/24
Équations équilibrées sur01/12/24
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