| Équations équilibrées la veille |
2 H{+} + 2 SO4{2-} + 4 ClO2{-} = H2O + 4 ClO3{-} + S2O3{-2}
Na2CO3 + Mg(NO3)2 = NaNO3(aq) + MgCO3(s) =>
Na2CO3 + Mg(NO3)2 = 2 NaNO3(aq) + MgCO3(s)
F2 + O2 + C = F2O2C2 =>
F2 + O2 + 2 C = F2O2C2
Cu2O + NH3 = Cu + H2O + N2 =>
3 Cu2O + 2 NH3 = 6 Cu + 3 H2O + N2
MgO + C20H14O4 = MgC20H14O5 =>
MgO + C20H14O4 = MgC20H14O5
H2S + H{+} + NO3{-} = S8 + NO + H2O =>
24 H2S + 16 H{+} + 16 NO3{-} = 3 S8 + 16 NO + 32 H2O
KIO3 + AgNO3 = KNO3 + AgIO3 =>
KIO3 + AgNO3 = KNO3 + AgIO3
NaAl(OH)4 + NaOH = Na3Al(OH)6 =>
NaAl(OH)4 + 2 NaOH = Na3Al(OH)6
Pb + ZnCrO4 = PbCrO4 + Zn =>
Pb + ZnCrO4 = PbCrO4 + Zn
CaH2 + HOH = Ca(OH)2 + H =>
CaH2 + 2 HOH = Ca(OH)2 + 4 H
Fe(NO3)2 + K4Fe(CN)6 = Fe2(Fe(CN)6) + KNO3 =>
2 Fe(NO3)2 + K4Fe(CN)6 = Fe2(Fe(CN)6) + 4 KNO3
H2SeO4 + O = H2SeO6 =>
H2SeO4 + 2 O = H2SeO6
Sn4 + NaCl = SnCl6 + Na =>
Sn4 + 24 NaCl = 4 SnCl6 + 24 Na
Al + K2Cr2O7 + KOH = KAlO2 + K3CrO3 + H2O =>
2 Al + K2Cr2O7 + 6 KOH = 2 KAlO2 + 2 K3CrO3 + 3 H2O
N2O3 + Cl2 = N2Cl3 + O2 =>
2 N2O3 + 3 Cl2 = 2 N2Cl3 + 3 O2
(NH4)2(CO3) + Sr(ClO4)2 = (NH4)(ClO4) + Sr(CO3) =>
(NH4)2(CO3) + Sr(ClO4)2 = 2(NH4)(ClO4) + Sr(CO3)
K(SCN) + FeCl3 = Fe(SCN)3 + KCl =>
3 K(SCN) + FeCl3 = Fe(SCN)3 + 3 KCl
Ca + C2O4 = Ca(C2O4) =>
Ca + C2O4 = Ca(C2O4)
Al(NO3)3 + K2CO3 = Al2(CO3)3 + K(NO3) =>
2 Al(NO3)3 + 3 K2CO3 = Al2(CO3)3 + 6 K(NO3)
Mn(NO3) + Cu(PO4) = Mn(PO4) + CuNO3 =>
Mn(NO3) + Cu(PO4) = Mn(PO4) + CuNO3
UCl4 + K = U + KCl =>
UCl4 + 4 K = U + 4 KCl
H2O + CrO4{2-} + HSnO2{-} = CrO2{-} + OH{-} + HSnO3{-} =>
H2O + 2 CrO4{2-} + 3 HSnO2{-} = 2 CrO2{-} + 2 OH{-} + 3 HSnO3{-}
Ba + Rb2SO4 = BaSO4 + Rb =>
Ba + Rb2SO4 = BaSO4 + 2 Rb
Ag + NaOH + H2O = Na[Ag(OH)4] + H2 =>
2 Ag + 2 NaOH + 6 H2O = 2 Na[Ag(OH)4] + 3 H2
Li2O + GaN = Li3N + Ga2 + O3 =>
3 Li2O + 2 GaN = 2 Li3N + Ga2 + O3
CuCl2 + NaHCO3 = CO2 + CuCO3 + H2O + NaCl =>
CuCl2 + 2 NaHCO3 = CO2 + CuCO3 + H2O + 2 NaCl
NH4(SO4) = NH4 + SO4 =>
NH4(SO4) = NH4 + SO4
A3 = A2 =>
2 A3 = 3 A2
NaClO3 + H2O + As2S3 = NaCl + H3AsO4 + H2SO4 =>
14 NaClO3 + 18 H2O + 3 As2S3 = 14 NaCl + 6 H3AsO4 + 9 H2SO4
Al(CH3COO)3 + Mn(SO4) = Al2(SO4)3 + Mn(CH3COO)2 =>
2 Al(CH3COO)3 + 3 Mn(SO4) = Al2(SO4)3 + 3 Mn(CH3COO)2
F2 + NH4 = N2F4 + HF =>
6 F2 + 2 NH4 = N2F4 + 8 HF
Na(OH) + ZnOH2 = NaH + (OH)Zn + H2O =>
Na(OH) + 2 ZnOH2 = NaH + 2(OH)Zn + H2O
K3PO4 + VCl2 = V3(PO4)2 + KCl =>
2 K3PO4 + 3 VCl2 = V3(PO4)2 + 6 KCl
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
MgBr + CuNO3 = MgNO3 + CuBr =>
MgBr + CuNO3 = MgNO3 + CuBr
H3BO3 + Fe(OH)3 = Fe(OH)(HBO3) + H2O =>
H3BO3 + Fe(OH)3 = Fe(OH)(HBO3) + 2 H2O
N2 + OH = N(OH)2 =>
N2 + 4 OH = 2 N(OH)2
H{+} + H3PO2 + Cr2O72{-} = H3PO4 + Cr3{+} + H2O =>
20 H{+} + 427 H3PO2 + 12 Cr2O72{-} = 427 H3PO4 + 8 Cr3{+} + 10 H2O
Cr + BaS = CrS + Ba =>
Cr + BaS = CrS + Ba
H3PO4(aq) + Ca(OH)2(s) = H2O(l) + Ca3(PO4)2(s) =>
2 H3PO4(aq) + 3 Ca(OH)2(s) = 6 H2O(l) + Ca3(PO4)2(s)
BaO2H2 + NH4Cl = BaCl2 + H2O + NH3 =>
BaO2H2 + 2 NH4Cl = BaCl2 + 2 H2O + 2 NH3
S3Sb2 + HCl = SbCl3 + H2S =>
S3Sb2 + 6 HCl = 2 SbCl3 + 3 H2S
NaBr + Cl = NaClBr =>
NaBr + Cl = NaClBr
C3H6O2 + KOH = C2H5COOK + H2O =>
C3H6O2 + KOH = C2H5COOK + H2O
As2S3 + NO3{-} + H2O = HAsO4{2-} + SO4{-2} + H{+} + NO =>
3 As2S3 + 28 NO3{-} + 4 H2O = 6 HAsO4{2-} + 9 SO4{-2} + 2 H{+} + 28 NO
NaHSO3HI = NaIH2SO3 =>
NaHSO3HI = NaIH2SO3
CaCO3 = CaOCO2 =>
CaCO3 = CaOCO2
Sn + HI = Sn(I)4 + H2 =>
Sn + 4 HI = Sn(I)4 + 2 H2
HCI + MnO2 = Mn2 + H2O + CI =>
8 HCI + 2 MnO2 = Mn2 + 4 H2O + 8 CI
PH3 + H2SO4 = H3PO4 + H2O + S =>
3 PH3 + 4 H2SO4 = 3 H3PO4 + 4 H2O + 4 S
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Équations équilibrées sur12/20/24
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