Équations équilibrées la veille |
2 KClO3 = 2 KCl + 3 O2
As2S3 + HClO4 + H2O = HAsO4 + HCl + H2SO4 =>
As2S3 + 4 HClO4 + 4 H2O = 2 HAsO4 + 4 HCl + 3 H2SO4
Br{-} + SO42{-} + H3O{+} = Br2 + SO32{-} + H2O =>
20 Br{-} + SO42{-} + 20 H3O{+} = 10 Br2 + SO32{-} + 30 H2O
NH4 + KOH = KOHNH4 =>
NH4 + KOH = KOHNH4
HCl + Cr = Cr2Cl + H2 =>
2 HCl + 4 Cr = 2 Cr2Cl + H2
AgNO3(aq) + Na2S(aq) = AgS(s) + Na2NO3(aq) =>
AgNO3(aq) + Na2S(aq) = AgS(s) + Na2NO3(aq)
NaHCO3 + HCl = H2CO3 + Na + Cl =>
NaHCO3 + HCl = H2CO3 + Na + Cl
NH4{+}(aq) + OH{-}(aq) = H2O(aq) + NH3(aq) =>
NH4{+}(aq) + OH{-}(aq) = H2O(aq) + NH3(aq)
CoCl2 + CH3COOH + KNO2 = K3(Co(NO2)6) + KCl + CH3COOK + NO + H2O =>
CoCl2 + 2 CH3COOH + 7 KNO2 = K3(Co(NO2)6) + 2 KCl + 2 CH3COOK + NO + H2O
H2CO3 + Ca(OH)2 = CaOH2CO3 + H2O =>
H2CO3 + Ca(OH)2 = CaOH2CO3 + H2O
Cr2O3 + NaCl + H2O = CrCl3 + NaOH =>
Cr2O3 + 6 NaCl + 3 H2O = 2 CrCl3 + 6 NaOH
H3BO3 + Al(OH)3 = Al2O3B2O3 + H2O =>
2 H3BO3 + 2 Al(OH)3 = Al2O3B2O3 + 6 H2O
Fe + K2CrO4 + H2SO4 = Fe(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
Fe + 2 K2CrO4 + 8 H2SO4 = Fe(SO4)3 + 2 K2SO4 + Cr2(SO4)3 + 8 H2O
NH4NO3(s) = H2O(g) + N2(g) + O2(g) =>
2 NH4NO3(s) = 4 H2O(g) + 2 N2(g) + O2(g)
CaBr + Mg(NO3)2 = Ca(NO3)2 + MgBr =>
CaBr + Mg(NO3)2 = Ca(NO3)2 + MgBr
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
C2H5COOH + CH2 = C2H5COOCH3 =>
C2H5COOH + CH2 = C2H5COOCH3
Na2S2O3 + KIO3 + HCl = Na2SO4 + K2SO4 + ICl + H2O =>
Na2S2O3 + 2 KIO3 + 2 HCl = Na2SO4 + K2SO4 + 2 ICl + H2O
C2H3COONa + NaOH = C2H4 + Na2CO3 =>
C2H3COONa + NaOH = C2H4 + Na2CO3
PbS + CuCl = Cu2S + PbCl2 =>
PbS + 2 CuCl = Cu2S + PbCl2
MgCl2 + O2 = MgO + Cl =>
2 MgCl2 + O2 = 2 MgO + 4 Cl
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
RbF + Cl2 = RbCl + F2 =>
2 RbF + Cl2 = 2 RbCl + F2
SCl2(g) + C2H4(g) = S(CH2CH2Cl)2 =>
SCl2(g) + 2 C2H4(g) = S(CH2CH2Cl)2
MoO3 + Zn + H2SO4 = MoO2 + ZnSO4 + H2O =>
MoO3 + Zn + H2SO4 = MoO2 + ZnSO4 + H2O
C12H11O5 + KNO3 = K2CO3 + CO2 + H2O + N2 =>
10 C12H11O5 + 98 KNO3 = 49 K2CO3 + 71 CO2 + 55 H2O + 49 N2
AgC2H3O2 + K2CrO4 = Ag2CrO4 + KC2H3O2 =>
2 AgC2H3O2 + K2CrO4 = Ag2CrO4 + 2 KC2H3O2
Al + FeCl3 = AlCl3 + Fe =>
Al + FeCl3 = AlCl3 + Fe
Nb(OH)5 + HCl = [Nb(OH)2]Cl3 + H2O =>
Nb(OH)5 + 3 HCl = [Nb(OH)2]Cl3 + 3 H2O
Ca3(PO4)2 + H2SO4 = H3PO4 + CaO(s) + SO3(g) =>
Ca3(PO4)2 + 3 H2SO4 = 2 H3PO4 + 3 CaO(s) + 3 SO3(g)
Na(PO4) + Ba(NO3)2 = Na(NO3)2 + Ba(PO4) =>
Na(PO4) + Ba(NO3)2 = Na(NO3)2 + Ba(PO4)
H2 + FeO4 = FeH4 + O2 =>
2 H2 + FeO4 = FeH4 + 2 O2
(NH4)2[Co(SCN)4(H2O)5] = (NH4)2(Co(SCN)4) + H2O =>
(NH4)2[Co(SCN)4(H2O)5] = (NH4)2(Co(SCN)4) + 5 H2O
V + N2 = VN =>
2 V + N2 = 2 VN
Na3PO4 + CaCl2 = Na2Ca + Cl3PO4 =>
2 Na3PO4 + 3 CaCl2 = 3 Na2Ca + 2 Cl3PO4
KClO4 + KOH + CrCl3 = K2CrO4 + KCl + H2O =>
3 KClO4 + 40 KOH + 8 CrCl3 = 8 K2CrO4 + 27 KCl + 20 H2O
Na2CO3(aq) + MgI2(aq) = NaI(aq) + MgCO3(s) =>
Na2CO3(aq) + MgI2(aq) = 2 NaI(aq) + MgCO3(s)
KClO3 + MgSO4 = K2SO4 + Mg(ClO3)2 =>
2 KClO3 + MgSO4 = K2SO4 + Mg(ClO3)2
NaOH + KNO3 = KHO + NaNO3 =>
NaOH + KNO3 = KHO + NaNO3
Cr(NO3)2 + Fe2(SO4)3 = Cr(SO4)3 + Fe2(NO3)2 =>
Cr(NO3)2 + Fe2(SO4)3 = Cr(SO4)3 + Fe2(NO3)2
Br2 + LiI = LiBr + I2 =>
Br2 + 2 LiI = 2 LiBr + I2
AlCl3 + H2O = Al(OH)3 + Cl + H3O =>
AlCl3 + 6 H2O = Al(OH)3 + 3 Cl + 3 H3O
Te + H2O = TeO + H2 =>
Te + H2O = TeO + H2
H8C6O6 + NaOH = NaC6H6O6 + H3O =>
H8C6O6 + NaOH = NaC6H6O6 + H3O
C2H5NH2(g) + O2(g) = CO2(g) + H20(g) + N2(g) =>
20 C2H5NH2(g) + 40 O2(g) = 40 CO2(g) + 7 H20(g) + 10 N2(g)
C7H5N3O6(s) = C(g) + CO(g) + N2(g) + H2O(g) =>
2 C7H5N3O6(s) = 7 C(g) + 7 CO(g) + 3 N2(g) + 5 H2O(g)
Mg(OH)2CO3 + CH3COOH = CO2 + H2O + (CH3COO)2Mg =>
4 Mg(OH)2CO3 + 9 CH3COOH = 6 CO2 + 10 H2O + 4(CH3COO)2Mg
Pb(CH3COO)2(aq) + HI(aq) = PbI2(s) + CH3COOH(aq) =>
Pb(CH3COO)2(aq) + 2 HI(aq) = PbI2(s) + 2 CH3COOH(aq)
MgSO4 + NaClO = MgCl + NaSO4 + O2 =>
2 MgSO4 + 2 NaClO = 2 MgCl + 2 NaSO4 + O2
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