| Équations équilibrées la veille |
7 C3H8O3 + 3 Cu(OH)2 + 5 NaOH = 3 C7H13O6Cu + 5 Na + 14 H2O
MnCl2 + O2 + H2O = HCl + MnO2 =>
2 MnCl2 + O2 + 2 H2O = 4 HCl + 2 MnO2
H2O + HCl + Na2B4O7 = B(OH)3 + NaCl =>
5 H2O + 2 HCl + Na2B4O7 = 4 B(OH)3 + 2 NaCl
KOH + KClO2 + P2O3 = K3PO4 + Cl2 + H2O =>
14 KOH + 4 KClO2 + 3 P2O3 = 6 K3PO4 + 2 Cl2 + 7 H2O
Zn + AuI = ZnI2 + Au =>
Zn + 2 AuI = ZnI2 + 2 Au
H2(g) + N2(g) = NH3(g) =>
3 H2(g) + N2(g) = 2 NH3(g)
Cu(s) + NO3(aq){-} + H{+} = Cu(aq){2+} + NO2 + H2O =>
Cu(s) + 2 NO3(aq){-} + 4 H{+} = Cu(aq){2+} + 2 NO2 + 2 H2O
C6H3(CH3)3 + KMnO4 + H2SO4 = C6H3(COOH)3 + K2SO4 + MnSO4 + H2O =>
5 C6H3(CH3)3 + 18 KMnO4 + 27 H2SO4 = 5 C6H3(COOH)3 + 9 K2SO4 + 18 MnSO4 + 42 H2O
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Fe + Cu{2+}S{2-} = Fe{2+}S{2-} + Cu =>
Fe + Cu{2+}S{2-} = Fe{2+}S{2-} + Cu
Al3 + H2O = Al(H2O)6 =>
Al3 + 18 H2O = 3 Al(H2O)6
Cu + Fe + HS = CuFe2S + H =>
Cu + 2 Fe + HS = CuFe2S + H
HN + O2 = HNO2 =>
HN + O2 = HNO2
Ni(NO3)2 + NH4(OH) = NH4(NO3) + Ni(OH)2 =>
Ni(NO3)2 + 2 NH4(OH) = 2 NH4(NO3) + Ni(OH)2
Ag(NH3)2 + HCl = AgCl2 + NH4 =>
Ag(NH3)2 + 2 HCl = AgCl2 + 2 NH4
BaO(i) + CO2(i) = BaCO3(s) =>
BaO(i) + CO2(i) = BaCO3(s)
AlCl3 + NH3OH = Al(OH)3 + NH3Cl =>
AlCl3 + 3 NH3OH = Al(OH)3 + 3 NH3Cl
KOH + H2O = KO2 + H2 =>
2 KOH + 2 H2O = 2 KO2 + 3 H2
F2 + KCI = FCI + K =>
F2 + 2 KCI = 2 FCI + 2 K
Na2B4O7 + FeCl3 + H2O = FeBO2 + NaBO2 + H2 + Cl2 =>
Na2B4O7 + 2 FeCl3 + H2O = 2 FeBO2 + 2 NaBO2 + H2 + 3 Cl2
NH3 + O = NO2 + HO2 =>
NH3 + 8 O = NO2 + 3 HO2
NaCHO3 = Na2CO3 + CO2 + HOH =>
2 NaCHO3 = Na2CO3 + CO2 + HOH
K2SO4 + Cu = K + CuSO4 =>
K2SO4 + Cu = 2 K + CuSO4
K3[Fe(CN)6] + SnCl2 + HCl = K4[Fe(CN)6] + K2[SnCl6] + FeCl2 + HCN =>
2 K3[Fe(CN)6] + SnCl2 + 6 HCl = K4[Fe(CN)6] + K2[SnCl6] + FeCl2 + 6 HCN
AgCl(s) = Ag(s) + Cl =>
AgCl(s) = Ag(s) + Cl
KBr + HNO3 = KNO3 + NO + Br2 + H2O =>
6 KBr + 8 HNO3 = 6 KNO3 + 2 NO + 3 Br2 + 4 H2O
Cl + HI = I2 + HCl =>
2 Cl + 2 HI = I2 + 2 HCl
(NH4)2SO4 = N2 + H2O + SO2 + NH3 =>
3(NH4)2SO4 = N2 + 6 H2O + 3 SO2 + 4 NH3
AgJ(k) = Ag(k) + J2(k) =>
2 AgJ(k) = 2 Ag(k) + J2(k)
CrO2 + NH3 = Cr2O3 + N2 + H2O =>
6 CrO2 + 2 NH3 = 3 Cr2O3 + N2 + 3 H2O
C6H10O5 + O2 = C6H8O7 + H2O =>
2 C6H10O5 + 3 O2 = 2 C6H8O7 + 2 H2O
ZnO + HNO2 = Zn(NO2)2 + H2 + O2 =>
2 ZnO + 4 HNO2 = 2 Zn(NO2)2 + 2 H2 + O2
K2S + Pb(NO3)2 = PbS + KNO3 =>
K2S + Pb(NO3)2 = PbS + 2 KNO3
AlPO4 + Na2S = Al2S3 + Na3PO4 =>
2 AlPO4 + 3 Na2S = Al2S3 + 2 Na3PO4
NO2{-} + I{-} + H2SO4 = I2 + NO + SO4{-2} + H2O =>
2 NO2{-} + 2 I{-} + 2 H2SO4 = I2 + 2 NO + 2 SO4{-2} + 2 H2O
K + Fe2SO4 = KSO4 + Fe =>
K + Fe2SO4 = KSO4 + 2 Fe
Fe(OH)3 + HCl = FeOHCl2 + H2O =>
Fe(OH)3 + 2 HCl = FeOHCl2 + 2 H2O
Fe(NO3)3(aq) + Na2SO4(aq) = Fe2(SO4)3(aq) + Na(NO3)(aq) =>
2 Fe(NO3)3(aq) + 3 Na2SO4(aq) = Fe2(SO4)3(aq) + 6 Na(NO3)(aq)
O5P2 + H2O = HPO3 =>
O5P2 + H2O = 2 HPO3
Fe{-3}O{-4} + CO = Fe + CO{-2} =>
2 Fe{-3}O{-4} + 3 CO = 2 Fe + 3 CO{-2}
KCr(SO4)2 + K2S + H2O = Cr(OH)3 + H2S + K2SO4 =>
2 KCr(SO4)2 + 3 K2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 4 K2SO4
Na2S + HNO2 = S + NO + NaOH =>
Na2S + 2 HNO2 = S + 2 NO + 2 NaOH
Fe + KCl = FeCl3 + K =>
Fe + 3 KCl = FeCl3 + 3 K
Pb(CIO3)2 + KHSO4 = PbK2 + CIO3HSO4 =>
Pb(CIO3)2 + 2 KHSO4 = PbK2 + 2 CIO3HSO4
CH3CH2NO2 + Zn + NaOH + H2O = CH3CH2NH2 + Na2(Zn(OH)4) =>
CH3CH2NO2 + 3 Zn + 6 NaOH + 4 H2O = CH3CH2NH2 + 3 Na2(Zn(OH)4)
CO3 + MgCl2 = CCl2 + MgO3 =>
CO3 + MgCl2 = CCl2 + MgO3
Zn(NO3)2 + NH4Cl + NH4OH = [Zn(NH3)4]2{+} + H2O + Cl{-} + NH4NO3 =>
16 Zn(NO3)2 + 8 NH4Cl + 94 NH4OH = 8[Zn(NH3)4]2{+} + 85 H2O + 8 Cl{-} + 35 NH4NO3
H2SO4 + KBr = SO + Br2 + KHSO4 + H2O =>
5 H2SO4 + 4 KBr = SO + 2 Br2 + 4 KHSO4 + 3 H2O
FBrO2 + H2O = HF + HBrO3 =>
FBrO2 + H2O = HF + HBrO3
Ba(BrO3)2 + Na2PO4 = Ba3(PO4)3 + NaBrO3 =>
3 Ba(BrO3)2 + 3 Na2PO4 = Ba3(PO4)3 + 6 NaBrO3
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Équations équilibrées sur01/09/25
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