| Équations équilibrées la veille |
PbO2 + 2 H = PbO + H2O
FeS + Na2CO3 = FeO + Na2S + CO2 =>
FeS + Na2CO3 = FeO + Na2S + CO2
MnS + HNO3 = Mn(NO3)2 + S + NO + H2O =>
3 MnS + 8 HNO3 = 3 Mn(NO3)2 + 3 S + 2 NO + 4 H2O
PBO(s) + O2(g) = PBO2(s) =>
2 PBO(s) + O2(g) = 2 PBO2(s)
C8H12N2 + O2 = CO2 + H2O + N2 =>
C8H12N2 + 11 O2 = 8 CO2 + 6 H2O + N2
TeO2 + HNO3 + H2O = H6TeO6 + NO =>
3 TeO2 + 2 HNO3 + 8 H2O = 3 H6TeO6 + 2 NO
Co(OH)3 = Co + OH =>
Co(OH)3 = Co + 3 OH
NaH + KOH = NaOH + KH =>
NaH + KOH = NaOH + KH
Cr(OH)3 + Na2O = Cr2O3 + NaOH =>
2 Cr(OH)3 + 3 Na2O = Cr2O3 + 6 NaOH
Zn(NO3)2 + Na2SiO3 = ZnSiO3 + NaNO3 =>
Zn(NO3)2 + Na2SiO3 = ZnSiO3 + 2 NaNO3
Zn(OH)2 + NaNO3 = Zn(NO3)2 + NaOH =>
Zn(OH)2 + 2 NaNO3 = Zn(NO3)2 + 2 NaOH
Zn = Zn{2+} + {-} =>
Zn = Zn{2+} + 2e
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
As2S3(s) + HNO3(aq) + H2O(l) = H2SO4(aq) + H3AsO4(aq) + NO(g) =>
3 As2S3(s) + 28 HNO3(aq) + 4 H2O(l) = 9 H2SO4(aq) + 6 H3AsO4(aq) + 28 NO(g)
Na2SO3 + Zn + H2SO4 = S + Na2SO4 + Zn(OH)2 =>
2 Na2SO3 + Zn + H2SO4 = S + 2 Na2SO4 + Zn(OH)2
K2CrO4 + KCl + H2SO4 = CrO2Cl2 + K2SO4 + H2O =>
K2CrO4 + 2 KCl + 2 H2SO4 = CrO2Cl2 + 2 K2SO4 + 2 H2O
Ga(OH)3 + H2S = Ga2S3 + H2O =>
2 Ga(OH)3 + 3 H2S = Ga2S3 + 6 H2O
Mg(NO3)2(aq) + Ca(OH)2(aq) = Mg(OH)2 + Ca(NO3)2 =>
Mg(NO3)2(aq) + Ca(OH)2(aq) = Mg(OH)2 + Ca(NO3)2
NiCl2 + (NH4)2S = NiS + (NH4)Cl =>
NiCl2 + (NH4)2S = NiS + 2(NH4)Cl
C2H4(OH)2 + KMnO4 + H2SO4 = (COOH)2 + MnSO4 + K2SO4 + H2O =>
5 C2H4(OH)2 + 8 KMnO4 + 12 H2SO4 = 5(COOH)2 + 8 MnSO4 + 4 K2SO4 + 22 H2O
Sn + Cu = SnCu =>
Sn + Cu = SnCu
C6H5NO2 + Zn + HCl = C6H5NH2 + ZnCl2 + H2O =>
C6H5NO2 + 3 Zn + 6 HCl = C6H5NH2 + 3 ZnCl2 + 2 H2O
Al + NaOH + HOH = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 HOH = 2 NaAl(OH)4 + 3 H2
PH3 + H2O + CrO4{2-} = P + Cr(OH)4{-} + OH{-} =>
PH3 + H2O + CrO4{2-} = P + Cr(OH)4{-} + OH{-}
KClO3 + I + H2O = HIO3 + KCl =>
5 KClO3 + 6 I + 3 H2O = 6 HIO3 + 5 KCl
Hg2(NO3)2(aq) + CaCl2(aq) = Hg2Cl2 + Ca(NO3)2 =>
Hg2(NO3)2(aq) + CaCl2(aq) = Hg2Cl2 + Ca(NO3)2
Na2CrO4 + HNO3 = Na2Cr2O7 + NaNO3 + H2O =>
2 Na2CrO4 + 2 HNO3 = Na2Cr2O7 + 2 NaNO3 + H2O
Fe + HNO3 + KSCN = Fe(SCN)3 + KNO3 + H2 =>
2 Fe + 6 HNO3 + 6 KSCN = 2 Fe(SCN)3 + 6 KNO3 + 3 H2
Mg + Zn = Mg2Zn =>
2 Mg + Zn = Mg2Zn
NaSCN = Na + SCN =>
NaSCN = Na + SCN
Hg(s) + O2(g) = Hg2O(s) =>
4 Hg(s) + O2(g) = 2 Hg2O(s)
Mg(NO3)2 + Na3(PO4) = Mg3(PO4)2 + NaNO3 =>
3 Mg(NO3)2 + 2 Na3(PO4) = Mg3(PO4)2 + 6 NaNO3
NO2{-} + H2O = NO3{-} + H{+} + {-} =>
NO2{-} + H2O = NO3{-} + 2 H{+} + 2e
WO3 + SnCl2 + HCl = H2[SnCl6] + W3O8 + H2O =>
3 WO3 + SnCl2 + 4 HCl = H2[SnCl6] + W3O8 + H2O
BrF3 + H2O = HF + HBrO2 =>
BrF3 + 2 H2O = 3 HF + HBrO2
Cr2O3 + CaCO3 = Ca3(CrO3)2 + CO2 =>
Cr2O3 + 3 CaCO3 = Ca3(CrO3)2 + 3 CO2
Ag4[Fe(CN)6] + HNO3 = Ag3[Fe(CN)6] + AgNO3 + NO + H2O =>
3 Ag4[Fe(CN)6] + 4 HNO3 = 3 Ag3[Fe(CN)6] + 3 AgNO3 + NO + 2 H2O
RbCl + AgNO3 = RbNO3 + AgCl =>
RbCl + AgNO3 = RbNO3 + AgCl
NiCO3(s) + HNO3(aq) = Ni(NO3)2(aq) + CO2(g) + H2O =>
NiCO3(s) + 2 HNO3(aq) = Ni(NO3)2(aq) + CO2(g) + H2O
CaCO3 + HCI = CaCI + CO3H =>
CaCO3 + HCI = CaCI + CO3H
Pb(HCO3)4 = PbO2 + CO2 + H2O =>
Pb(HCO3)4 = PbO2 + 4 CO2 + 2 H2O
Na2O + C = Na + CO =>
Na2O + C = 2 Na + CO
Na + PO4 = Na3PO4 =>
3 Na + PO4 = Na3PO4
Fe + Na2CO3 = Fe(CO3) + Na =>
Fe + Na2CO3 = Fe(CO3) + 2 Na
P + I2 = PI3 =>
2 P + 3 I2 = 2 PI3
CuCl2 + Na2CrO4 = CuCrO4 + NaCl =>
CuCl2 + Na2CrO4 = CuCrO4 + 2 NaCl
FeO + H2O + O2 = FeO(OH) =>
4 FeO + 2 H2O + O2 = 4 FeO(OH)
Li2SiO3 + HNO3 = LiNO3 + H2O + SiO2 =>
Li2SiO3 + 2 HNO3 = 2 LiNO3 + H2O + SiO2
NaH2PO4 + HCl = H3PO4 + NaCl =>
NaH2PO4 + HCl = H3PO4 + NaCl
Ca(OH)2 + Cd(NO3)2 = Ca(NO3)2 + Cd(OH)2 =>
Ca(OH)2 + Cd(NO3)2 = Ca(NO3)2 + Cd(OH)2
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Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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