Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe{3+} + 2 C2O4{2-} = Fe(C2O4)2{-}
C20H42(s) + O2(g) = CO(g) + H2O(g) =>
2 C20H42(s) + 41 O2(g) = 40 CO(g) + 42 H2O(g)
MgOHOH = MgO + HOH =>
MgOHOH = MgO + HOH
NaOH + H2(CO3) = Na2(CO3) + H2O =>
2 NaOH + H2(CO3) = Na2(CO3) + 2 H2O
HNO3 + NH4H2CO3 = NH4NO3 + H2O + CO2 =>
10 HNO3 + 8 NH4H2CO3 = 9 NH4NO3 + 11 H2O + 8 CO2
Pb(No3)2 + Na2SO4 = PbSO4 + Na(No3) =>
Pb(No3)2 + Na2SO4 = PbSO4 + 2 Na(No3)
Cu(NO3)2(aq) + BaCl2(aq) = CuCl2(aq) + Ba(NO3)2(aq) =>
Cu(NO3)2(aq) + BaCl2(aq) = CuCl2(aq) + Ba(NO3)2(aq)
Fe + HNO3 = Fe(NO3)3 + NHNO3 + H2O =>
5 Fe + 21 HNO3 = 5 Fe(NO3)3 + 3 NHNO3 + 9 H2O
Fe + Cl2 = FeCl2 = FeCl2 =>
Fe + Cl2 = FeCl2
Cl2 + Na2SO3 + H2O = Na2SO4 + HCl =>
Cl2 + Na2SO3 + H2O = Na2SO4 + 2 HCl
Zen + HNO3 = Zen(NO3)2 + N2O + H2O =>
4 Zen + 10 HNO3 = 4 Zen(NO3)2 + N2O + 5 H2O
H2S + SCl2 = HCl + S =>
H2S + SCl2 = 2 HCl + 2 S
H2SO4 + Mg(NO3)2 = H2(NO3)2 + MgSO4 =>
H2SO4 + Mg(NO3)2 = H2(NO3)2 + MgSO4
N + I = NI3 =>
N + 3 I = NI3
Na2CO3 + SiO2 = Na2O3Si + CO2 =>
Na2CO3 + SiO2 = Na2O3Si + CO2
(NH4)6Mo7O24 + HNO3 = H8Mo12O40 + NH4NO3 + H2O =>
12(NH4)6Mo7O24 + 72 HNO3 = 7 H8Mo12O40 + 72 NH4NO3 + 8 H2O
NH4CH3COO + H2O = NH4OH + HCH3COO =>
NH4CH3COO + H2O = NH4OH + HCH3COO
Ba(OH)2CuSO4 = BaSO4Cu(OH)2 =>
Ba(OH)2CuSO4 = BaSO4Cu(OH)2
Na2Cr2O7 + CsOH = Na2CrO4 + Cs2CrO4 + H2O =>
Na2Cr2O7 + 2 CsOH = Na2CrO4 + Cs2CrO4 + H2O
Cu(NO3)2(aq) + BaCl2(aq) = CuCl2(aq) + Ba(NO3)2(aq) =>
Cu(NO3)2(aq) + BaCl2(aq) = CuCl2(aq) + Ba(NO3)2(aq)
Cu(NO3)2 + BaCl2 = Ba(NO3)2 + CuCl2 =>
Cu(NO3)2 + BaCl2 = Ba(NO3)2 + CuCl2
Br2 + N2 = NBr3 =>
3 Br2 + N2 = 2 NBr3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
[NH4(BF4)] + [Ni(NH3)6]Cl2 = [Ni(NH3)6](BF4)2 + NH4Cl =>
2[NH4(BF4)] + [Ni(NH3)6]Cl2 = [Ni(NH3)6](BF4)2 + 2 NH4Cl
NH4MnO4 + HCl = NH4Cl + H2 + MnO4 =>
2 NH4MnO4 + 2 HCl = 2 NH4Cl + H2 + 2 MnO4
Na3PO4 + H2O = PO4 + H2 + NaOH =>
2 Na3PO4 + 6 H2O = 2 PO4 + 3 H2 + 6 NaOH
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Ca5(PO4)3F(s) + H2SO4(aq) = CaSO4(s) + H3PO4(aq) + HF(aq) =>
Ca5(PO4)3F(s) + 5 H2SO4(aq) = 5 CaSO4(s) + 3 H3PO4(aq) + HF(aq)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C2H5NHCH3 + O2 = CO2 + H2O + N2 =>
4 C2H5NHCH3 + 21 O2 = 12 CO2 + 18 H2O + 2 N2
C6H11CH3 = C6H5CH3 + H2 =>
C6H11CH3 = C6H5CH3 + 3 H2
PbSO4 + Na2CrO4 = PbCrO4 + Na2SO4 =>
PbSO4 + Na2CrO4 = PbCrO4 + Na2SO4
ClCH2CH2Cl = CHCH + HCl =>
ClCH2CH2Cl = CHCH + 2 HCl
CaMg(CO3)2HCl = Cl(CO3)2HCaMg =>
CaMg(CO3)2HCl = Cl(CO3)2HCaMg
K4Fe(CN)6 + K(MnO4) + H2SO4 = Fe2(SO4)3 + K2(SO4) + MnSO4 + CO2 + H2O + HNO3 =>
10 K4Fe(CN)6 + 122 K(MnO4) + 218 H2SO4 = 5 Fe2(SO4)3 + 81 K2(SO4) + 122 MnSO4 + 60 CO2 + 188 H2O + 60 HNO3
C3H6O3 + NH3 = C3H9NO3 =>
C3H6O3 + NH3 = C3H9NO3
Ni(ClO3)2 = NiCl2 + O2 =>
Ni(ClO3)2 = NiCl2 + 3 O2
NaSO4(aq) + Cu(OH)2 = Na(OH)2 + CuSO4 =>
NaSO4(aq) + Cu(OH)2 = Na(OH)2 + CuSO4
S3 + O2 = SO5 =>
2 S3 + 15 O2 = 6 SO5
NiNO3 + K2PO4 = Ni2PO4 + KNO3 =>
2 NiNO3 + K2PO4 = Ni2PO4 + 2 KNO3
O2 + Cu2S = Cu2O + SO2 =>
3 O2 + 2 Cu2S = 2 Cu2O + 2 SO2
CH3CH2CH2OH + CuO = CH3CH2COH + H2O + Cu =>
CH3CH2CH2OH + CuO = CH3CH2COH + H2O + Cu
NH4ClO4 + H2O = H3O + NH3ClO4 =>
NH4ClO4 + H2O = H3O + NH3ClO4
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HI(aq) + H2O(l) = H3O(aq) + I(aq) =>
HI(aq) + H2O(l) = H3O(aq) + I(aq)
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
NaHCO3 + CaCO3 = Ca(HCO3)2 + Na2CO3 =>
2 NaHCO3 + CaCO3 = Ca(HCO3)2 + Na2CO3
NaBr + H2SO4 = Br2 + H2O + Na2SO4 + SO2 =>
2 NaBr + 2 H2SO4 = Br2 + 2 H2O + Na2SO4 + SO2
NH4NO3 + K2SO4 = KNO3 + (NH4)2SO4 =>
2 NH4NO3 + K2SO4 = 2 KNO3 + (NH4)2SO4
Pb(NO3)2(aq) + H2SO4(aq) = H2(NO3)2(aq) + PbSO4(s) =>
Pb(NO3)2(aq) + H2SO4(aq) = H2(NO3)2(aq) + PbSO4(s)
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