| Équations équilibrées la veille | Équations équilibrées le lendemain |
PdCl4{2-} + 2 H2O = 4 Cl{-} + Pd(OH)2 + 2 H{+}
NaOH + H3(PO4) = H2O + Na3PO4 =>
3 NaOH + H3(PO4) = 3 H2O + Na3PO4
CO2 + H2O = O2 + C2H4 =>
2 CO2 + 2 H2O = 3 O2 + C2H4
C2H3O2 + SO4 = S + CO3 + H2O =>
8 C2H3O2 + 11 SO4 = 11 S + 16 CO3 + 12 H2O
LiOH + Na{2}CrO{4} = Li{2}CrO{4} + NaOH =>
LiOH + Na{2}CrO{4} = Li{2}CrO{4} + NaOH
ZnCl2 + Na3PO4 = Zn(PO4) + Na3Cl2 =>
ZnCl2 + Na3PO4 = Zn(PO4) + Na3Cl2
SrCl2 + (NH4)2O = SrO + (NH4)2Cl2 =>
SrCl2 + (NH4)2O = SrO + (NH4)2Cl2
CuNO3(aq) + Zn(aq) = ZnNO3(aq) + Cu(aq) =>
CuNO3(aq) + Zn(aq) = ZnNO3(aq) + Cu(aq)
K3PO4 + MgCl2 = Mg3(PO4)2 + KCl =>
2 K3PO4 + 3 MgCl2 = Mg3(PO4)2 + 6 KCl
H2SO4 + Al2(CO3)3 = Al2(SO4)3 + CO2 + H2O =>
3 H2SO4 + Al2(CO3)3 = Al2(SO4)3 + 3 CO2 + 3 H2O
NaCO3 + H3O = H2CO3 + NaOH =>
NaCO3 + H3O = H2CO3 + NaOH
Pb + Zn(NO2) = Zn + Pb(NO2)4 =>
Pb + 4 Zn(NO2) = 4 Zn + Pb(NO2)4
Al + MgI2 = AlI + Mg =>
2 Al + MgI2 = 2 AlI + Mg
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaSO3 + H2SO4 = NaSO4 + H2O + S40H =>
241 NaSO3 + 80 H2SO4 = 241 NaSO4 + 79 H2O + 2 S40H
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
COCl2 + NaHCO3 = NaCl + CO2 + H2O =>
COCl2 + 2 NaHCO3 = 2 NaCl + 3 CO2 + H2O
C4H10O + KMnO4 + H2SO4 = C4H7O + MnSO4 + K2SO4 + H2O =>
10 C4H10O + 6 KMnO4 + 9 H2SO4 = 10 C4H7O + 6 MnSO4 + 3 K2SO4 + 24 H2O
MgO + CH3CH2COOH = Mg(CH3CH2COO)2 + H2O =>
MgO + 2 CH3CH2COOH = Mg(CH3CH2COO)2 + H2O
Cd5N4 + CoO = CdO2 + Co5N2 =>
Cd5N4 + 10 CoO = 5 CdO2 + 2 Co5N2
Ca3PO4PO4 + H2SO4 = CaSO4 + CaH2PO4H2PO4 =>
Ca3PO4PO4 + 2 H2SO4 = 2 CaSO4 + CaH2PO4H2PO4
K3N + AlI3 = AlN + KI =>
K3N + AlI3 = AlN + 3 KI
KCNS + Fe(NO3)3 = KNO3 + Fe(CNS)3 =>
3 KCNS + Fe(NO3)3 = 3 KNO3 + Fe(CNS)3
FeCl2 = Fe + Cl =>
FeCl2 = Fe + 2 Cl
Ag + Au{3+}(NO3)3 = Ag{+}(NO3) + Au =>
3 Ag + Au{3+}(NO3)3 = 3 Ag{+}(NO3) + Au
K2SO4 + (NH4)OH = KOH + (NH4)2SO4 =>
K2SO4 + 2(NH4)OH = 2 KOH + (NH4)2SO4
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
HC2H3O2(aq) + LiHSO3(aq) = H2O + CO2 + LiS =>
5 HC2H3O2(aq) + 8 LiHSO3(aq) = 14 H2O + 10 CO2 + 8 LiS
KOH + CaCl2 = K2Cl2 + Ca(OH)2 =>
2 KOH + CaCl2 = K2Cl2 + Ca(OH)2
KI + K2CrO4 + H2O = I2 + K3[Cr(OH)6] + KOH =>
6 KI + 2 K2CrO4 + 8 H2O = 3 I2 + 2 K3[Cr(OH)6] + 4 KOH
Mg + H3NO4 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 H3NO4 = 5 Mg(NO3)2 + N2 + 18 H2O
H3N + O2 = OH + ON =>
H3N + 2 O2 = 3 OH + ON
C2H5OH + K2Cr2O7 + H2SO4 = C2H4O + Cr2(SO4)3 + K32SO4 + H2O =>
63 C2H5OH + 16 K2Cr2O7 + 49 H2SO4 = 63 C2H4O + 16 Cr2(SO4)3 + K32SO4 + 112 H2O
Fe(SO4)2{-} + {-} = FeSO4 + SO4{-2} =>
Fe(SO4)2{-} + e = FeSO4 + SO4{-2}
H2S + Fe2O3 = Fe2S + S + H2O =>
3 H2S + Fe2O3 = Fe2S + 2 S + 3 H2O
K2S + MgI2 = MgS + KI =>
K2S + MgI2 = MgS + 2 KI
Fe(OH)3 + Na2C2O4 = Fe2(C2O4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2C2O4 = Fe2(C2O4)3 + 6 NaOH
SnCl4 + NH4OH = Sn(OH) + HCl + N2 =>
2 SnCl4 + 2 NH4OH = 2 Sn(OH) + 8 HCl + N2
C14H11Cl2NO2 + KMnO4 + H2O = CO2 + NH4{+} + Cl{-} + Mn{4+} + OH{-} + K{+} =>
3 C14H11Cl2NO2 + 58 KMnO4 + 133 H2O = 42 CO2 + 3 NH4{+} + 6 Cl{-} + 58 Mn{4+} + 287 OH{-} + 58 K{+}
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
KH2O + HCl = KCl + H(H2O) =>
KH2O + HCl = KCl + H(H2O)
(NH4)2Cr2O7 + AlN = (NH4)3N + Al2(Cr2O7)3 =>
3(NH4)2Cr2O7 + 2 AlN = 2(NH4)3N + Al2(Cr2O7)3
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
Zn + NO2 = Zn(NO2)2 =>
Zn + 2 NO2 = Zn(NO2)2
MnO4{-} + NO2 + H2O = Mn2{+} + NO3{-} + H{+} =>
2 MnO4{-} + 13 NO2 + 5 H2O = Mn2{+} + 13 NO3{-} + 10 H{+}
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
CH + NO3 = C2O + NO2 + H2O =>
2 CH + 2 NO3 = C2O + 2 NO2 + H2O
Pb(NO3)2(ac) + Na2SO4(ac) = Pb2(SO4)2(s) + NaNO3 =>
2 Pb(NO3)2(ac) + 2 Na2SO4(ac) = Pb2(SO4)2(s) + 4 NaNO3
MgO + CrO3 = MgCrO4 =>
MgO + CrO3 = MgCrO4
(NH4)2MoO4 + H2S + HCl = Mo5O14 + S + NH4Cl + H2O =>
5(NH4)2MoO4 + H2S + 10 HCl = Mo5O14 + S + 10 NH4Cl + 6 H2O
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