| Équations équilibrées la veille |
6 Cr{2+} + H2MoO4 + 6 H{+} = 6 Cr{3+} + Mo + 4 H2O
C2H5OH + [O] = CH3COOH + H2O =>
C2H5OH + 2[O] = CH3COOH + H2O
CdCO3 + HClO4 = Cd(ClO4)2 + CO2 + H2O =>
CdCO3 + 2 HClO4 = Cd(ClO4)2 + CO2 + H2O
O + He = O4He19 =>
4 O + 19 He = O4He19
C + H2O + CH4N2O = C21H23NO5 + O2 =>
41 C + 21 H2O + CH4N2O = 2 C21H23NO5 + 6 O2
CuOHCl + NH3 + KMnO4 = KOH + KCl + Cu(NH3)4(MnO4)2 =>
CuOHCl + 4 NH3 + 2 KMnO4 = KOH + KCl + Cu(NH3)4(MnO4)2
Ca(H2PO4)2 = Ca3(PO4)2 + P4O10 + H2O =>
3 Ca(H2PO4)2 = Ca3(PO4)2 + P4O10 + 6 H2O
Au2O(s) + C(s) = Au(s) + CO(g) =>
Au2O(s) + C(s) = 2 Au(s) + CO(g)
RbOH + HClO4 = H2O + RbClO4 =>
RbOH + HClO4 = H2O + RbClO4
C6H5NHCONHC6H5 + CH3OH = C6H5NHCOOCH3 + C6H5NH2 =>
C6H5NHCONHC6H5 + CH3OH = C6H5NHCOOCH3 + C6H5NH2
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2 =>
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2
GaBr3 + Na2SO3 = NaBr + Ga2(SO3)3 =>
2 GaBr3 + 3 Na2SO3 = 6 NaBr + Ga2(SO3)3
C3H7HO + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + C2H5COOH + K2SO4 =>
3 C3H7HO + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 11 H2O + 3 C2H5COOH + 2 K2SO4
MgS = Mg + S =>
MgS = Mg + S
KOH(aq) + Cu(NO3)2 = Cu(OH)2(s) + KNO3(aq) =>
2 KOH(aq) + Cu(NO3)2 = Cu(OH)2(s) + 2 KNO3(aq)
Na2SO4 + H2SO4 = NaH + SO4 =>
Na2SO4 + H2SO4 = 2 NaH + 2 SO4
H2O(SO3) = H2(SO4) =>
H2O(SO3) = H2(SO4)
Li2SO4 + Fe = Fe2(SO4)3 + Li =>
3 Li2SO4 + 2 Fe = Fe2(SO4)3 + 6 Li
CaOSO3 = CaSO4 =>
CaOSO3 = CaSO4
C6H6(C4H9) + KMnO4 + H2SO4 = C6H6COOH + K2SO4 + MnSO4 + H2O =>
14 C6H6(C4H9) + 30 KMnO4 + 45 H2SO4 = 20 C6H6COOH + 15 K2SO4 + 30 MnSO4 + 80 H2O
FeCrO4 + K2CO3 + O3 = FeO3 + K2CrO4 + CO4 =>
3 FeCrO4 + 3 K2CO3 + 4 O3 = 3 FeO3 + 3 K2CrO4 + 3 CO4
NH4OH + AlSO4 = NH4SO4 + AlOH =>
NH4OH + AlSO4 = NH4SO4 + AlOH
Fe2O3 + H2C2O4 = FeO + CO2 + H2O =>
Fe2O3 + H2C2O4 = 2 FeO + 2 CO2 + H2O
Si + Na{+} + OH{-} = Na4SiO4 + H2 =>
Si + 4 Na{+} + 4 OH{-} = Na4SiO4 + 2 H2
Pb3O4 + HNO3 = PbO2 + Pb(NO3)2 + H2O =>
Pb3O4 + 4 HNO3 = PbO2 + 2 Pb(NO3)2 + 2 H2O
ClHF = HClF =>
ClHF = HClF
I{-} + MnO4{-} = MnO4 + I{2-} =>
I{-} + MnO4{-} = MnO4 + I{2-}
NaAu(CN)2 + Al = Au + Na2Al(CN)4 =>
2 NaAu(CN)2 + Al = 2 Au + Na2Al(CN)4
XZn + O2 = XZnO =>
2 XZn + O2 = 2 XZnO
C2H6 + HNO3 = CH3CHO + NO2 + H2O =>
C2H6 + 4 HNO3 = CH3CHO + 4 NO2 + 3 H2O
HNO3(aq) + Zn(s) = H2(g) + Zn(NO3)2(aq) =>
2 HNO3(aq) + Zn(s) = H2(g) + Zn(NO3)2(aq)
NaCl + NH3 + H2O = NaOH + NH4Cl =>
NaCl + NH3 + H2O = NaOH + NH4Cl
CuOHCl + HCl + Al = AlCl3 + Cu + H2O =>
3 CuOHCl + 3 HCl + 2 Al = 2 AlCl3 + 3 Cu + 3 H2O
CH4O(l) + O2(g) = CO2 + H2O =>
2 CH4O(l) + 3 O2(g) = 2 CO2 + 4 H2O
Fe(Cl)3 + Na2SiO3 + FeSO4 = NaCl + FeSiO + Fe2SO2 + ClO =>
2 Fe(Cl)3 + Na2SiO3 + FeSO4 = 2 NaCl + FeSiO + Fe2SO2 + 4 ClO
Na(s) + H2O = H2(g) + NaOH(s) =>
2 Na(s) + 2 H2O = H2(g) + 2 NaOH(s)
H2CO3 + KOH = H3CO3 + KO =>
H2CO3 + KOH = H3CO3 + KO
CO + [Ag(NH3)2]OH + H2O = (NH4)2CO3 + NH4OH + Ag =>
CO + 2[Ag(NH3)2]OH + 2 H2O = (NH4)2CO3 + 2 NH4OH + 2 Ag
SIO2 + H2SO4 = SI(SO4)2 + H2O =>
SIO2 + 2 H2SO4 = SI(SO4)2 + 2 H2O
CH3OH + Na = H + CH3ONa =>
CH3OH + Na = H + CH3ONa
Zn(C2H3O2)2 + Na(OH) = Zn(OH)2 + Na(C2H3O2) =>
Zn(C2H3O2)2 + 2 Na(OH) = Zn(OH)2 + 2 Na(C2H3O2)
P3Cl10 = P + Cl =>
P3Cl10 = 3 P + 10 Cl
CaC2 + N2 = Ca(N2C) + C =>
CaC2 + N2 = Ca(N2C) + C
Cl2(g) + KF(aq) = KCl(aq) + F2(g) =>
Cl2(g) + 2 KF(aq) = 2 KCl(aq) + F2(g)
Fe3 + Mg(OH) = Fe3(OH) + Mg =>
Fe3 + Mg(OH) = Fe3(OH) + Mg
CuFeS2 + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + N2O + H2O =>
8 CuFeS2 + 42 HNO3 = 4 CuSO4 + 4 Cu(NO3)2 + 4 Fe2(SO4)3 + 17 N2O + 21 H2O
KOH + Zn = K + Zn(OH)2 =>
2 KOH + Zn = 2 K + Zn(OH)2
(CH3)3CCl + H2O + Na2CO3 = (CH3)3CO + NaCl + CO2 =>
46(CH3)3CCl + 9 H2O + 23 Na2CO3 = 48(CH3)3CO + 46 NaCl + 15 CO2
Cl2 + NaOH = H2O + NaCl + NaClO3 =>
3 Cl2 + 6 NaOH = 3 H2O + 5 NaCl + NaClO3
CrO4{2-} + H2O + Br2 = Cr(OH)3 + Br{-} + OH{1{-}) =>
2 CrO4{2-} + 8 H2O + 7 Br2 = 2 Cr(OH)3 + 14 Br{-} + 10 OH{1{-})
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