| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaBr + NaOH = Na2O + HBr
Cr3{+} + e = Cr =>
Cr3{+} + e = 3 Cr
CO2HBr = CBrHO2 =>
CO2HBr = CBrHO2
CaC2O4 + KMnO4 + H2X = CaX + K2X + MnX + H2O + CO2 =>
5 CaC2O4 + 2 KMnO4 + 8 H2X = 5 CaX + K2X + 2 MnX + 8 H2O + 10 CO2
Ag + H3PO4 = Ag3PO4 + H4 =>
12 Ag + 4 H3PO4 = 4 Ag3PO4 + 3 H4
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Li + NaPO4 = Li3PO4 + Na =>
3 Li + NaPO4 = Li3PO4 + Na
NH4Cl2O2 + Al2O3 = AlCl3 + NO + H2O =>
3 NH4Cl2O2 + Al2O3 = 2 AlCl3 + 3 NO + 6 H2O
C3HOCl5 + NaOH = NaCl + C2H2O2Cl2 =>
2 C3HOCl5 + 4 NaOH = 4 NaCl + 3 C2H2O2Cl2
C4 + S3 = C4S =>
3 C4 + S3 = 3 C4S
Pb(OH)2 + K = K2PbO2 + H2 =>
Pb(OH)2 + 2 K = K2PbO2 + H2
C12H18 + O2 = CO2 + H2O =>
2 C12H18 + 33 O2 = 24 CO2 + 18 H2O
Na3PO4 + Pb = PbO3 + Na3PO =>
Na3PO4 + Pb = PbO3 + Na3PO
Al(CH3COO)3 + Cr2(SO4)3 = Al(SO4)3 + Cr2(CH3COO)3 =>
Al(CH3COO)3 + Cr2(SO4)3 = Al(SO4)3 + Cr2(CH3COO)3
MnO2 + HBr = Br2 + H2O + MnBr2 =>
MnO2 + 4 HBr = Br2 + 2 H2O + MnBr2
Ag + H3PO4 = Ag3PO4 + H4 =>
12 Ag + 4 H3PO4 = 4 Ag3PO4 + 3 H4
Al + Br2 = Al(Br2)3 =>
Al + 3 Br2 = Al(Br2)3
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Cr2O7{2-}(aq) + Hg(l) + H2SO4(aq) + H{+} = Hg2SO4(s) + Cr{3+}(aq) + H2O(l) =>
Cr2O7{2-}(aq) + 6 Hg(l) + 3 H2SO4(aq) + 8 H{+} = 3 Hg2SO4(s) + 2 Cr{3+}(aq) + 7 H2O(l)
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl2 + Na(NO3) + HCl = FeCl3 + NaCl + H2O + NO =>
3 FeCl2 + Na(NO3) + 4 HCl = 3 FeCl3 + NaCl + 2 H2O + NO
HBrO + I2 + H2O = HBrO3 + HI =>
HBrO + 2 I2 + 2 H2O = HBrO3 + 4 HI
FeH2O = Fe(OH2) =>
FeH2O = Fe(OH2)
Mg(OH)2 + HCe = MgCe2 + H2O =>
Mg(OH)2 + 2 HCe = MgCe2 + 2 H2O
AgNO3 + HC1 = HNO3 + AgC1 =>
AgNO3 + HC1 = HNO3 + AgC1
KNO2 + KMnO4 + HNO3 = Mn(NO3)2 + KNO3 + H2O =>
5 KNO2 + 2 KMnO4 + 6 HNO3 = 2 Mn(NO3)2 + 7 KNO3 + 3 H2O
CH3COOHC2H5 + NaOH = CH3COONa + C2H5OH =>
4 CH3COOHC2H5 + 3 NaOH = 3 CH3COONa + 5 C2H5OH
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
KNO2 + KMnO4 + HNO3 = Mn(NO3)2 + KNO3 + H2O =>
5 KNO2 + 2 KMnO4 + 6 HNO3 = 2 Mn(NO3)2 + 7 KNO3 + 3 H2O
NH4OH + AlCl3 = Al(OH)3 + NH4Cl =>
3 NH4OH + AlCl3 = Al(OH)3 + 3 NH4Cl
Cr2O3 + KNO3 + K2CO3 = K2CrO4 + KNO2 + CO2 =>
Cr2O3 + 3 KNO3 + 2 K2CO3 = 2 K2CrO4 + 3 KNO2 + 2 CO2
K3Fe(SCN)6 + Na2Cr2O7 + H2SO4 = Fe(NO3)3 + Cr2(SO4)3 + CO2 + H2O + Na2SO4 + KNO3 =>
K3Fe(SCN)6 + 16 Na2Cr2O7 + 58 H2SO4 = Fe(NO3)3 + 16 Cr2(SO4)3 + 6 CO2 + 58 H2O + 16 Na2SO4 + 3 KNO3
MnO4 + NO2 = MnNO6 =>
MnO4 + NO2 = MnNO6
H2SO4 + HCO3 = SO4 + H2O + CO2 =>
H2SO4 + 2 HCO3 = SO4 + 2 H2O + 2 CO2
HCl + BeO = BeCl2 + H2O =>
2 HCl + BeO = BeCl2 + H2O
Al2(SO4)3 + KBr = Al(Br)3 + K2SO4 =>
Al2(SO4)3 + 6 KBr = 2 Al(Br)3 + 3 K2SO4
FeCl3 + Fe(NO3)2 = Fe(NO3)3 + FeCl2 =>
2 FeCl3 + 3 Fe(NO3)2 = 2 Fe(NO3)3 + 3 FeCl2
(NH4)2CO3 + LiOH = (NH4)OH + Li2CO3 =>
(NH4)2CO3 + 2 LiOH = 2(NH4)OH + Li2CO3
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
BH4 + H2O = H2BO3 + H =>
BH4 + 3 H2O = H2BO3 + 8 H
CoCl2(aq) + Cs3PO4(aq) = Co3(PO4)2(s) + CsCl(aq) =>
3 CoCl2(aq) + 2 Cs3PO4(aq) = Co3(PO4)2(s) + 6 CsCl(aq)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
N2H4 + Zn + KOH + H2O = NH3 + K2(Zn(OH)4) =>
N2H4 + Zn + 2 KOH + 2 H2O = 2 NH3 + K2(Zn(OH)4)
FeCl3 + NH3 + H2O = Fe(OH)3 + NH4 + Cl =>
FeCl3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4 + 3 Cl
X + YB = XB3 + Y2 =>
2 X + 6 YB = 2 XB3 + 3 Y2
NH3 + Zn(NO3)2 + H2O = Zn(OH)2 + NH4NO3 =>
2 NH3 + Zn(NO3)2 + 2 H2O = Zn(OH)2 + 2 NH4NO3
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Équations équilibrées sur11/18/24
Équations équilibrées sur12/18/23
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