| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H3COOH + NaHCO3 = CH3COONa + CO2 + 3 H2O
Na2O + O2 = Na2O2 =>
2 Na2O + O2 = 2 Na2O2
Cd(NO3)2 + H2(SO4) = Cd(SO4) + HNO3 =>
Cd(NO3)2 + H2(SO4) = Cd(SO4) + 2 HNO3
Cr(OH)3 + H2O = CrO4{2-} + H{+} + e =>
Cr(OH)3 + H2O = CrO4{2-} + 5 H{+} + 3e
C5H5N + HNO3 = C5H5NH + NO3 =>
C5H5N + HNO3 = C5H5NH + NO3
S + O2 = SO2 =>
S + O2 = SO2
Fe + NaOH = NaFeO2 + Na2O + H2 =>
2 Fe + 6 NaOH = 2 NaFeO2 + 2 Na2O + 3 H2
Ba(MnO4)2 + H2O2 = Ba(OH)2 + MnO2 + O2 =>
Ba(MnO4)2 + H2O2 = Ba(OH)2 + 2 MnO2 + 2 O2
FeCl3 + K3Fe(CN)6 = FeFe(CN)6 + KCl =>
FeCl3 + K3Fe(CN)6 = FeFe(CN)6 + 3 KCl
H + C + N = HCN =>
H + C + N = HCN
HMnO4 + HNO2 = Mn(NO3)2 + HNO3 + H2O =>
2 HMnO4 + 5 HNO2 = 2 Mn(NO3)2 + HNO3 + 3 H2O
Zn + K + Fe(CN)6 = Zn3K2(Fe(CN)6)2 =>
3 Zn + 2 K + 2 Fe(CN)6 = Zn3K2(Fe(CN)6)2
KNO3(s) + H2O(l) = KOH(aq) + HNO3(aq) =>
KNO3(s) + H2O(l) = KOH(aq) + HNO3(aq)
Na2S + Be(OH)2 = Na(OH) + BeS =>
Na2S + Be(OH)2 = 2 Na(OH) + BeS
Pb(OH)2 + CH3COOH = (CH3COO)2Pb + H2O =>
Pb(OH)2 + 2 CH3COOH = (CH3COO)2Pb + 2 H2O
MnO2 + NaOH + H2O2 = Na2MnO4 + H2O =>
MnO2 + 2 NaOH + H2O2 = Na2MnO4 + 2 H2O
AgNO3(aq) + Ba(OH)2(aq) = Ag2O(s) + Ba(NO3)2(aq) + H2O(l) =>
2 AgNO3(aq) + Ba(OH)2(aq) = Ag2O(s) + Ba(NO3)2(aq) + H2O(l)
H3BO3 + CH3CH2OH = B(OCH2CH3)3 + H2O =>
H3BO3 + 3 CH3CH2OH = B(OCH2CH3)3 + 3 H2O
PH3(g) + N2O(g) = H3PO4(aq) + N2(g) =>
PH3(g) + 4 N2O(g) = H3PO4(aq) + 4 N2(g)
Mg(s) + Zn(NO3)2 = Mg(NO3)2 + Zn =>
Mg(s) + Zn(NO3)2 = Mg(NO3)2 + Zn
FeCl3 + NaCl = NaFeCl4 =>
FeCl3 + NaCl = NaFeCl4
F2(g) + NaBr(s) = NaF(s) + Br2(g) =>
F2(g) + 2 NaBr(s) = 2 NaF(s) + Br2(g)
C2H2 + MnO4{-} + H{+} = H2C2O4 + Mn{2+} + H2O =>
5 C2H2 + 8 MnO4{-} + 24 H{+} = 5 H2C2O4 + 8 Mn{2+} + 12 H2O
Pb + Cu(SO4)2 = Pb(SO4)2 + Cu =>
Pb + Cu(SO4)2 = Pb(SO4)2 + Cu
Cr{3} + MnO2 + OH{-} = CrO4{-2} + Mn{+2} + H2O =>
2 Cr{3} + 3 MnO2 + 4 OH{-} = 2 CrO4{-2} + 3 Mn{+2} + 2 H2O
Sb2O5 + NaOH + H2O = Na(Sb(OH)6) =>
Sb2O5 + 2 NaOH + 5 H2O = 2 Na(Sb(OH)6)
Al(SO4) + Ca(PO4) = Al(PO4) + Ca(SO4) =>
Al(SO4) + Ca(PO4) = Al(PO4) + Ca(SO4)
Br + NH3 = NH4Br + N =>
3 Br + 4 NH3 = 3 NH4Br + N
KCl + Pb(C2H3O2)2 = KC2H3O2 + PbCl2 =>
2 KCl + Pb(C2H3O2)2 = 2 KC2H3O2 + PbCl2
SnCl2 + Br2 + HCl = SnCl4 + HBr =>
SnCl2 + Br2 + 2 HCl = SnCl4 + 2 HBr
Zn(NO3)2 + KCl = ZnCl2 + KNO3 =>
Zn(NO3)2 + 2 KCl = ZnCl2 + 2 KNO3
Cl2 + CaS = CaCl2 + S8 =>
8 Cl2 + 8 CaS = 8 CaCl2 + S8
CaSi2 + SbCl3 = Si + Sb + CaCl2 =>
3 CaSi2 + 2 SbCl3 = 6 Si + 2 Sb + 3 CaCl2
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
C + Na2Cr2O7 = Cr2O3 + Na2O + CO =>
3 C + Na2Cr2O7 = Cr2O3 + Na2O + 3 CO
Fe2(SO4)3 + KCSN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KCSN = 2 K3Fe(SCN)6 + 3 K2SO4
Mg(OH)2 + H12N3O4P = Mg(H2PO4)2 + NH3 + H2O =>
Mg(OH)2 + 2 H12N3O4P = Mg(H2PO4)2 + 6 NH3 + 2 H2O
PbS2 = Pb + S2 =>
PbS2 = Pb + S2
C12H22O12 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O12 + 23 H2SO4 = 12 CO2 + 23 SO2 + 34 H2O
BaCl2(aq) + CuSO4(aq) = BaSO4 + CuCl2 =>
BaCl2(aq) + CuSO4(aq) = BaSO4 + CuCl2
P4(s) + O2(g) + H2O(l) = H3PO4(aq) =>
P4(s) + 5 O2(g) + 6 H2O(l) = 4 H3PO4(aq)
Br2 + AgI = BrI + Ag =>
Br2 + 2 AgI = 2 BrI + 2 Ag
Pb(C2H3O2)2(aq) + BaCl2(aq) = Ba(C2H3O2)2 + PbCl2 =>
Pb(C2H3O2)2(aq) + BaCl2(aq) = Ba(C2H3O2)2 + PbCl2
Na2SiF6 + NaOH = NaF + SiO2 + H2O =>
Na2SiF6 + 4 NaOH = 6 NaF + SiO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ce + H{+} = Ce{3+} + H2 =>
2 Ce + 6 H{+} = 2 Ce{3+} + 3 H2
Sr + HClO4 = Sr(ClO4)2 + H2 =>
Sr + 2 HClO4 = Sr(ClO4)2 + H2
N2H2 + H2O = NH3 + OH =>
N2H2 + 4 H2O = 2 NH3 + 4 OH
Cr(NO3)3*9H2O = Cr(NO3)3 + H2O =>
Cr(NO3)3*9H2O = Cr(NO3)3 + 9 H2O
N2H4(g) + O2(g) = NO2(g) + H2O(l) =>
N2H4(g) + 3 O2(g) = 2 NO2(g) + 2 H2O(l)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/27/24
Équations équilibrées sur11/26/23
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