Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Sb2S3(s) + 9 O2(s) = 2 Sb2O3(s) + 6 SO2
Ca(HSO3)2 + H2SO4 = CaSO4 + SO2 + H2O =>
Ca(HSO3)2 + H2SO4 = CaSO4 + 2 SO2 + 2 H2O
CaBr2 + K3PO4 = K3Br2 + CaPO4 =>
CaBr2 + K3PO4 = K3Br2 + CaPO4
KOH + H3PO4 = H2O + HPO4 + K =>
2 KOH + H3PO4 = 2 H2O + HPO4 + 2 K
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
C6H12O6 = C4H10O + CO + H2O =>
4 C6H12O6 = 3 C4H10O + 12 CO + 9 H2O
NaHCO3(aq) + H2C2O4(aq) = Na2C2O4(aq) + H2O(l) + CO2(g) =>
2 NaHCO3(aq) + H2C2O4(aq) = Na2C2O4(aq) + 2 H2O(l) + 2 CO2(g)
C3H7Cl + NaOH = NaCl + H2O + C3H6 =>
C3H7Cl + NaOH = NaCl + H2O + C3H6
HNO3 + P2S3 = NO2 + S + H2O + H3PO4 =>
10 HNO3 + P2S3 = 10 NO2 + 3 S + 2 H2O + 2 H3PO4
NH4Cl + NaOH = NaCl + H2O + NH3 = NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
Mg + Mg(NO3)2 = MgO + N2 =>
5 Mg + Mg(NO3)2 = 6 MgO + N2
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Pb(No3)2(aq) + KOH = Pb(OH)2 + KNo3(s) =>
Pb(No3)2(aq) + 2 KOH = Pb(OH)2 + 2 KNo3(s)
HClO4(aq) + CaCO3(s) = Ca(ClO4)2(aq) + CO2(g) + H2O(l) =>
2 HClO4(aq) + CaCO3(s) = Ca(ClO4)2(aq) + CO2(g) + H2O(l)
NH4NO3 = NH3 + N2O + H2O3 =>
5 NH4NO3 = 4 NH3 + 3 N2O + 4 H2O3
Zn + HNO3 = Zn(NO3)2 + N2O(N20) + H2O =>
54 Zn + 130 HNO3 = 54 Zn(NO3)2 + N2O(N20) + 65 H2O
Pb(C2H5)4 + O2 = PbO + CO2 + H2O =>
2 Pb(C2H5)4 + 27 O2 = 2 PbO + 16 CO2 + 20 H2O
Ca + P4 + O2 = Ca3(PO4)2 =>
6 Ca + P4 + 8 O2 = 2 Ca3(PO4)2
P + HNO3 + H2 = H3PO4 + NO =>
2 P + 4 HNO3 + H2 = 2 H3PO4 + 4 NO
Na3AsO3 + HCl + Mg = AsH3 + MgCl2 + NaCl + H2O =>
Na3AsO3 + 9 HCl + 3 Mg = AsH3 + 3 MgCl2 + 3 NaCl + 3 H2O
Al2O3 + CuCl2 = AlCl3 + CuO =>
Al2O3 + 3 CuCl2 = 2 AlCl3 + 3 CuO
ZnCl2 + NH4OH = [Zn(NH3)4]Cl2 + H2O =>
ZnCl2 + 4 NH4OH = [Zn(NH3)4]Cl2 + 4 H2O
K2CrO4 + HCl = KCl + K2Cr2O7 + H2O =>
2 K2CrO4 + 2 HCl = 2 KCl + K2Cr2O7 + H2O
PtCl4 = Pt + Cl2 =>
PtCl4 = Pt + 2 Cl2
R1CO2R2 + H2O = R1CO2H + R2OH =>
R1CO2R2 + H2O = R1CO2H + R2OH
K + HOH = K2O + H2 =>
2 K + HOH = K2O + H2
(NH4)2SO3 + HCN = CN2H4 + H2SO3 =>
(NH4)2SO3 + 2 HCN = 2 CN2H4 + H2SO3
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
(NH2)2CO(ac) + H2O(l) = NH3(ac) + CO2(g) =>
(NH2)2CO(ac) + H2O(l) = 2 NH3(ac) + CO2(g)
Cu2 + Ag2SO4 = CuSO4 + Ag =>
Cu2 + 2 Ag2SO4 = 2 CuSO4 + 4 Ag
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
[Cu(H2O)6]{2+} + NH4 + OH = [Cu(NH3)6]{2+} + H2O =>
[Cu(H2O)6]{2+} + 6 NH4 + 6 OH = [Cu(NH3)6]{2+} + 12 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Bi(OH)3 + K2SnO2 = Bi + K2SnO3 + H2O =>
2 Bi(OH)3 + 3 K2SnO2 = 2 Bi + 3 K2SnO3 + 3 H2O
Na2S(aq) + Fe(C2H3O2)3(aq) = Fe2S3(s) + NaC2H3O2(aq) =>
3 Na2S(aq) + 2 Fe(C2H3O2)3(aq) = Fe2S3(s) + 6 NaC2H3O2(aq)
C2H5ONa + O2 = Na2CO3 + CO2 + H2O =>
2 C2H5ONa + 6 O2 = Na2CO3 + 3 CO2 + 5 H2O
CuSO3 + AgClO3 = Cu(ClO3)2 + Ag2SO3 =>
CuSO3 + 2 AgClO3 = Cu(ClO3)2 + Ag2SO3
MnSO4 + H2S = H2SO4 + MnS =>
MnSO4 + H2S = H2SO4 + MnS
K2[Cu(SCN)4] + [Cu(NH3)4]SO4 = [Cu(SCN)4]SO4 + K2[Cu(NH3)4] =>
K2[Cu(SCN)4] + [Cu(NH3)4]SO4 = [Cu(SCN)4]SO4 + K2[Cu(NH3)4]
HI + Sr(OH)2(aq) = SrI2(aq) + H2O(l) =>
2 HI + Sr(OH)2(aq) = SrI2(aq) + 2 H2O(l)
Fe(OH)3 + H3AsO3 = Fe(AsO3) + H2O =>
Fe(OH)3 + H3AsO3 = Fe(AsO3) + 3 H2O
Pb(NO3)2 + NaMnO4 = Pb(MnO4)2 + NaNO3 =>
Pb(NO3)2 + 2 NaMnO4 = Pb(MnO4)2 + 2 NaNO3
K3PO4 + NaBr = NaPO4 + K3Br =>
K3PO4 + NaBr = NaPO4 + K3Br
Al2(SO4)3 + Ba(NO3)2 = AlNO3 + Ba(SO4)3 =>
Al2(SO4)3 + Ba(NO3)2 = 2 AlNO3 + Ba(SO4)3
NaOH + H2O = NaO2H3 =>
NaOH + H2O = NaO2H3
PbClO3 + MgSO4 = PbSO4 + MgClO3 =>
PbClO3 + MgSO4 = PbSO4 + MgClO3
H3AsO4() = As2O5() + H2O(l) =>
2 H3AsO4() = As2O5() + 3 H2O(l)
Cr(OH)3 + Zn = Zn(OH)2 + Cr =>
2 Cr(OH)3 + 3 Zn = 3 Zn(OH)2 + 2 Cr
Cr2O3 + NaClO + NaOH = H2O + NaCl + Na2CrO4 =>
Cr2O3 + 3 NaClO + 4 NaOH = 2 H2O + 3 NaCl + 2 Na2CrO4
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