| Équations équilibrées la veille |
4 Cr{2+} + O2 + 4 H{+} = 4 Cr{3+} + 2 H2O
NiCl2 + (NH4)2S = NiS + NH4Cl =>
NiCl2 + (NH4)2S = NiS + 2 NH4Cl
Cr2O7{2-} + H2S + H{+} = Cr{3+} + S8 + H2O =>
8 Cr2O7{2-} + 24 H2S + 64 H{+} = 16 Cr{3+} + 3 S8 + 56 H2O
Cr2O3 + Na2CO3 + C = NaCrO2 + CO =>
Cr2O3 + Na2CO3 + C = 2 NaCrO2 + 2 CO
Ag2CrO4 + NH3 = [Ag(NH3)2]{+} + CrO4{2-} =>
Ag2CrO4 + 4 NH3 = 2[Ag(NH3)2]{+} + CrO4{2-}
KI + Pd(NO3)2 = KNO3 + PdI2 =>
2 KI + Pd(NO3)2 = 2 KNO3 + PdI2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Na2O + CaI2 = NaI + CaO =>
Na2O + CaI2 = 2 NaI + CaO
Au2CO3 + N2O + H2O = Au(NO3)3 + CH4 + H2 =>
Au2CO3 + 3 N2O + 12 H2O = 2 Au(NO3)3 + CH4 + 10 H2
H2O + CrO4{2-} + N2O = Cr{3+} + NO + OH{-} =>
5 H2O + 2 CrO4{2-} + 3 N2O = 2 Cr{3+} + 6 NO + 10 OH{-}
Na6CI = Na4 + CI =>
2 Na6CI = 3 Na4 + 2 CI
H2O + NO3 = O2 + NH3 =>
6 H2O + 4 NO3 = 9 O2 + 4 NH3
Na + SO2 + NH4ClO4 = Na2S + NO2 + Cl2O7 + H2O =>
14 Na + 7 SO2 + 4 NH4ClO4 = 7 Na2S + 4 NO2 + 2 Cl2O7 + 8 H2O
NaOH(aq) + CuSO4(aq) = Na2SO4(aq) + Cu(OH)2(s) =>
2 NaOH(aq) + CuSO4(aq) = Na2SO4(aq) + Cu(OH)2(s)
H{+} + Cr2O7{-2} + Cl{-3} = Cr{+3} + Cl2 + H2O =>
14 H{+} + Cr2O7{-2} + 2 Cl{-3} = 2 Cr{+3} + Cl2 + 7 H2O
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
H2CO3 + GbO2 = Gb(CO3)2 + H2O =>
2 H2CO3 + GbO2 = Gb(CO3)2 + 2 H2O
K2MnO4 + HBr = MnBr2 + Br2 + K2O + H2O =>
K2MnO4 + 6 HBr = MnBr2 + 2 Br2 + K2O + 3 H2O
CH3CH2NH2 + HNO2 = CH3CH2CH2OH + N2 + H2O =>
3 CH3CH2NH2 + 3 HNO2 = 2 CH3CH2CH2OH + 3 N2 + 4 H2O
Na2SO4 + CaF2 = CaSO4 + Na2F2 =>
Na2SO4 + CaF2 = CaSO4 + Na2F2
I2 + KOH = KIO3 + KI + H2O =>
3 I2 + 6 KOH = KIO3 + 5 KI + 3 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Ni + NH4OH = Ni(OH)2 + NH3 + H2 =>
Ni + 2 NH4OH = Ni(OH)2 + 2 NH3 + H2
HNO3 + Ca(OH) = Ca(HNO3) + OH =>
HNO3 + Ca(OH) = Ca(HNO3) + OH
C12H26 + O2 + NO3 + PO4 = C60H87O23N12P + H2O =>
20 C12H26 + 9 O2 + 48 NO3 + 4 PO4 = 4 C60H87O23N12P + 86 H2O
CaCl2(aq) + K2PO4(aq) = K2Cl2(aq) + CaPO4(s) =>
CaCl2(aq) + K2PO4(aq) = K2Cl2(aq) + CaPO4(s)
Cu + ZnSO4 = CuSO4 + Zn =>
Cu + ZnSO4 = CuSO4 + Zn
SiC + H2O = SiO2 + H2 + CO =>
SiC + 3 H2O = SiO2 + 3 H2 + CO
NaOH + ClCH2CO2H = ClCH2COONa + H2O =>
NaOH + ClCH2CO2H = ClCH2COONa + H2O
AgNO3 + NaOH = Ag2O + NaNO3 + H2O =>
2 AgNO3 + 2 NaOH = Ag2O + 2 NaNO3 + H2O
Li4MnWO6 + CuCl = Cu4MnWO6 + LiCl =>
Li4MnWO6 + 4 CuCl = Cu4MnWO6 + 4 LiCl
C4H8O2 + NaOH = C2H3O2Na + C2H6O =>
C4H8O2 + NaOH = C2H3O2Na + C2H6O
Si12H3 + O2 = SiO2 + H2O3 =>
4 Si12H3 + 57 O2 = 48 SiO2 + 6 H2O3
CdS + HNO3 = Cd(NO3)2 + H2O + NO + S8 =>
24 CdS + 64 HNO3 = 24 Cd(NO3)2 + 32 H2O + 16 NO + 3 S8
HgS + H2SO4 = HgSO4 + H2S =>
HgS + H2SO4 = HgSO4 + H2S
Al2(SO4)3 + (NH4)2(CO3) = Al(NH4)3 + CO3(SO4) =>
Al2(SO4)3 + 3(NH4)2(CO3) = 2 Al(NH4)3 + 3 CO3(SO4)
Ba(OH)2 + H3PO3 = Ba3(PO3)2 + H2O =>
3 Ba(OH)2 + 2 H3PO3 = Ba3(PO3)2 + 6 H2O
NH3*H2O + H3PO4 = NH4H2PO4 + H2O =>
NH3*H2O + H3PO4 = NH4H2PO4 + H2O
M + H2(SO4) = H2 + M(SO4) =>
M + H2(SO4) = H2 + M(SO4)
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
C6H6 + CH3CO0Cl = C8H8O + HCl =>
C6H6 + CH3CO0Cl = C8H8O + HCl
Mn3{+} + Zn = Zn2{+} + Mn =>
Mn3{+} + 2 Zn = Zn2{+} + 3 Mn
H3PO4(at) + LiOH(an) = H2O + Li3PO4 =>
H3PO4(at) + 3 LiOH(an) = 3 H2O + Li3PO4
NaOH + Na4Cl = NaCl + Na4OH =>
NaOH + Na4Cl = NaCl + Na4OH
SiH4 + MgO = SiO2 + MgH2 =>
SiH4 + 2 MgO = SiO2 + 2 MgH2
Pb + AlCl = Al + PbCl2 =>
Pb + 2 AlCl = 2 Al + PbCl2
Sn4 + HCl = SnCl4 + H =>
Sn4 + 16 HCl = 4 SnCl4 + 16 H
NF3 + SiO2 + H2 = H2O + SiF4 + N2O =>
4 NF3 + 3 SiO2 + 4 H2 = 4 H2O + 3 SiF4 + 2 N2O
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