| Équations équilibrées la veille |
PC5 = PC3 + 2 C
KMnO4 + H2SO4 = K2SO4 + MnS + H2O + O2 =>
4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnS + 6 H2O + 13 O2
Cu2O(s) + Cu2S(s) = Cu(s) + SO2(aq) =>
2 Cu2O(s) + Cu2S(s) = 6 Cu(s) + SO2(aq)
CH3OH + O2 = H2CO3 + OH =>
CH3OH + 2 O2 = H2CO3 + 2 OH
CH3COOAg + HBr = AgBr + CH3COOH =>
CH3COOAg + HBr = AgBr + CH3COOH
CuSO3 + Sc(HCO3)2 = Cu(HCO3)2 + ScSO3 =>
CuSO3 + Sc(HCO3)2 = Cu(HCO3)2 + ScSO3
C4H7N3O + O2 = NO3{-} + H{+} + CO2 + H2O =>
C4H7N3O + 9 O2 = 3 NO3{-} + 3 H{+} + 4 CO2 + 2 H2O
Ab + C = Ab2C3 =>
2 Ab + 3 C = Ab2C3
C2H3OH + O2 = CH3(CHO2) =>
2 C2H3OH + O2 = 2 CH3(CHO2)
Ca + LiBr = CaBr2 + Li =>
Ca + 2 LiBr = CaBr2 + 2 Li
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
IO3 + SO2 = I2 + SO4 =>
2 IO3 + 3 SO2 = I2 + 3 SO4
Na2OH2(CO3) = Na2CO3H2O =>
Na2OH2(CO3) = Na2CO3H2O
(Sr) + (H2O) = (Sr(OH)2) + (H2) =>
(Sr) + 2(H2O) = (Sr(OH)2) + (H2)
NH4NO2 + Ni3P2 = (NH4)3P + Ni(NO2)2 =>
6 NH4NO2 + Ni3P2 = 2(NH4)3P + 3 Ni(NO2)2
Pb + H2(SO4) = (Pb)2(SO4)4 + H2 =>
2 Pb + 4 H2(SO4) = (Pb)2(SO4)4 + 4 H2
S + KNO3 = KNO2 + SO2 =>
S + 2 KNO3 = 2 KNO2 + SO2
Pb + Na2SO4{-2} = PbSO4{-2} + Na2 =>
Pb + Na2SO4{-2} = PbSO4{-2} + Na2
H2S + I2 + H2O = HI + SO2 =>
H2S + 3 I2 + 2 H2O = 6 HI + SO2
H3COH(g) + O2(g) = CO(g) + H2O(g) =>
H3COH(g) + O2(g) = CO(g) + 2 H2O(g)
H2BeO2 + LiOH = Li2BeO2 + H2O =>
H2BeO2 + 2 LiOH = Li2BeO2 + 2 H2O
NiCl3 + CrCl3 + KCl + H2O = Ni3O4 + K2Cr2O7 + HCl =>
18 NiCl3 + 2 CrCl3 + 2 KCl + 31 H2O = 6 Ni3O4 + K2Cr2O7 + 62 HCl
HCl + Na + HCO3 = NaCl + H2O + CO2 =>
HCl + Na + HCO3 = NaCl + H2O + CO2
Cu(OH)2 + NaOH = Na2[Cu(OH)4] =>
Cu(OH)2 + 2 NaOH = Na2[Cu(OH)4]
Cu(NH3)4 + H3O = NH4 + Cu(H2O)4 =>
Cu(NH3)4 + 4 H3O = 4 NH4 + Cu(H2O)4
Al2O3 + HCOOH = H2O + (COO)3Al2 =>
Al2O3 + 3 HCOOH = 3 H2O + (COO)3Al2
TeO2 + O2 = TeO4 =>
TeO2 + O2 = TeO4
CuC2O4 + NH4OH = CuOH + HC2O4H3N =>
CuC2O4 + NH4OH = CuOH + HC2O4H3N
HNO3 + Mn = NH4NO3 + Mn(NO3)2 + H2O =>
10 HNO3 + 4 Mn = NH4NO3 + 4 Mn(NO3)2 + 3 H2O
Zn(OH)2 + MgO = ZnO + Mg(OH)2 =>
Zn(OH)2 + MgO = ZnO + Mg(OH)2
FeCl2 + NaNO2 + HCl = FeCl3 + NaCl + H2O + NO =>
FeCl2 + NaNO2 + 2 HCl = FeCl3 + NaCl + H2O + NO
Cu(NO3)2 + H2ONaOH = Cu(OH)2 + HNO3 + Na2O =>
3 Cu(NO3)2 + 4 H2ONaOH = 3 Cu(OH)2 + 6 HNO3 + 2 Na2O
MgOHCl + H2SO4 = MgSO3(OH)2 + HCl =>
MgOHCl + H2SO4 = MgSO3(OH)2 + HCl
Na2SO3 + H2CO3 = Na2CO3 + H2O + SO2 =>
Na2SO3 + H2CO3 = Na2CO3 + H2O + SO2
Al = Al{+3} + e =>
Al = Al{+3} + 3e
BaBr2 + K2Cr2O7 + H3PO4 = CrPO4 + Ba3(PO4)3 + K3PO4 + Br2 + H2O =>
6 BaBr2 + 3 K2Cr2O7 + 14 H3PO4 = 6 CrPO4 + 2 Ba3(PO4)3 + 2 K3PO4 + 6 Br2 + 21 H2O
H2SO4(aq) + Li2SO3(aq) = H2SO3(aq) + Li2SO4(aq) =>
H2SO4(aq) + Li2SO3(aq) = H2SO3(aq) + Li2SO4(aq)
Fe + Na2HPO4 = Fe2(HPO4)3 + Na =>
2 Fe + 3 Na2HPO4 = Fe2(HPO4)3 + 6 Na
(H2)2O2 = H2O =>
(H2)2O2 = 2 H2O
Mg(HCO3)2(heat) = Mg + HCO3 =>
Mg(HCO3)2(heat) = Mg + 2 HCO3
FeS2 + H2O = Fe + SO4 + H =>
FeS2 + 8 H2O = Fe + 2 SO4 + 16 H
Li2 + O3 = Li2O =>
3 Li2 + O3 = 3 Li2O
PbO2 + HCl = Cl2 + PbO + H2O =>
PbO2 + 2 HCl = Cl2 + PbO + H2O
Br{-} + KMnO4 + H{+} = Br2 + Mn{2+} + K{+} + H2O =>
10 Br{-} + 2 KMnO4 + 16 H{+} = 5 Br2 + 2 Mn{2+} + 2 K{+} + 8 H2O
Cr(NO2)3 + H2O = Cr(OH)3 + HNO2 =>
Cr(NO2)3 + 3 H2O = Cr(OH)3 + 3 HNO2
Mg(OH)2 + P2O5 = Mg(PO3)2 + H2O =>
Mg(OH)2 + P2O5 = Mg(PO3)2 + H2O
MgO + CaSO4 = MgSO4 + CaO =>
MgO + CaSO4 = MgSO4 + CaO
CoO + Al2O3 = Co2Al2O4 + O2 =>
4 CoO + 2 Al2O3 = 2 Co2Al2O4 + O2
CsOH + BaI2 = CsI + Ba(OH)2 =>
2 CsOH + BaI2 = 2 CsI + Ba(OH)2
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Équations équilibrées sur12/13/24
Équations équilibrées sur01/12/24
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