| Équations équilibrées la veille |
HgNO3 + HCl = HgCl + HNO3
[CO2H2] + Cr2O7{2-} + H{+} = Cr{3+} + CO2 + H2O =>
3[CO2H2] + Cr2O7{2-} + 8 H{+} = 2 Cr{3+} + 3 CO2 + 7 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Li2 + N = Li3N =>
3 Li2 + 2 N = 2 Li3N
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
KI + HgNO3 = KNO3 + HgI =>
KI + HgNO3 = KNO3 + HgI
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
KMnO4 + SnSO4 + H2SO4 = K2SO4 + MnSO4 + Sn(SO4)2 + H2O =>
2 KMnO4 + 5 SnSO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Sn(SO4)2 + 8 H2O
CsI(aq) + Br2(aq) = BrI2(aq) + Cs(aq) =>
4 CsI(aq) + Br2(aq) = 2 BrI2(aq) + 4 Cs(aq)
C12H26 + O2 = CO + H2O =>
2 C12H26 + 25 O2 = 24 CO + 26 H2O
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
HgNO3 + HCl = HgCl2 + H2O + NO2 =>
HgNO3 + 2 HCl = HgCl2 + H2O + NO2
C5H90 + O2 = CO2 + H2O =>
2 C5H90 + 55 O2 = 10 CO2 + 90 H2O
CH3COCH3 + KMnO4 + H2SO4 = CH3COOH + H2O + K2SO4 + MnSO4 =>
10 CH3COCH3 + 8 KMnO4 + 12 H2SO4 = 15 CH3COOH + 12 H2O + 4 K2SO4 + 8 MnSO4
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
Al + NaOH + H2O = Na[Al(OH2)2(OH)4] + H2 =>
2 Al + 2 NaOH + 10 H2O = 2 Na[Al(OH2)2(OH)4] + 3 H2
Al4C3(s) + H2O(l) = Al(OH)3(s) + CH4(g) =>
Al4C3(s) + 12 H2O(l) = 4 Al(OH)3(s) + 3 CH4(g)
Na2HPO4 + H2SO4 = NaH2PO4 + Na2SO4 =>
2 Na2HPO4 + H2SO4 = 2 NaH2PO4 + Na2SO4
Al + NaNO2 + NaOH + H2O = NH3 + Na[Al(OH)4] =>
2 Al + NaNO2 + NaOH + 5 H2O = NH3 + 2 Na[Al(OH)4]
NaF + KHSO4 = NaHSO4 + KF =>
NaF + KHSO4 = NaHSO4 + KF
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
TiCl3 + HCl + O2 = H2TiCl6 + H2O =>
4 TiCl3 + 12 HCl + O2 = 4 H2TiCl6 + 2 H2O
AgNO3(aq) + NaCI(aq) = AgCI(s) + NaNO3(aq) =>
AgNO3(aq) + NaCI(aq) = AgCI(s) + NaNO3(aq)
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Zn + OH{-} = ZnO2{2-} + H2 =>
Zn + 2 OH{-} = ZnO2{2-} + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MgOH + H3PO4 = MgPO4 + H3OH =>
MgOH + H3PO4 = MgPO4 + H3OH
Pb + HNO3 = PbO2 + NO2 + H2O =>
Pb + 4 HNO3 = PbO2 + 4 NO2 + 2 H2O
NaOH + CaBr2 = Ca(OH)2 + NaBr =>
2 NaOH + CaBr2 = Ca(OH)2 + 2 NaBr
K2Cr2O7 + FeSO4 + NaHSO4 = Cr2(SO4)3 + K2SO4 + Fe2(SO4)3 + Na2SO4 + H2O =>
K2Cr2O7 + 6 FeSO4 + 14 NaHSO4 = Cr2(SO4)3 + K2SO4 + 3 Fe2(SO4)3 + 7 Na2SO4 + 7 H2O
(b)C6H12O3 + O2 = CO2 + H2O =>
2(b)C6H12O3 + 15 O2 = 12 CO2 + 12 H2O
H3BO3 + H2SO4 + C2H5OH = CO2 + H2O + BSO3 =>
4 H3BO3 + 4 H2SO4 + C2H5OH = 2 CO2 + 13 H2O + 4 BSO3
At2O7 + H2O = At(OH)7 =>
At2O7 + 7 H2O = 2 At(OH)7
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
CuSO4 + CaCl2 + NaOH = Cu(OH)2 + CaSO4 + NaCl =>
CuSO4 + CaCl2 + 2 NaOH = Cu(OH)2 + CaSO4 + 2 NaCl
HNO3 + KI = KNO3 + I + NO + H2O =>
4 HNO3 + 3 KI = 3 KNO3 + 3 I + NO + 2 H2O
Cr2(SO4)3 + K3PO4 = Cr2(PO4) + K3(SO4)3 =>
Cr2(SO4)3 + K3PO4 = Cr2(PO4) + K3(SO4)3
LiBr + Pb(OH)2 = Li(OH)2 + PbBr =>
LiBr + Pb(OH)2 = Li(OH)2 + PbBr
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
Cr + TiCl4 = CrCl3 + Ti =>
4 Cr + 3 TiCl4 = 4 CrCl3 + 3 Ti
Cu + HF = CuF + H =>
Cu + HF = CuF + H
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C4H8O + Ag(NH3)2OH = C4H8O2 + Ag + H2O + NH3 =>
C4H8O + 2 Ag(NH3)2OH = C4H8O2 + 2 Ag + H2O + 4 NH3
MnO4{-} + S{2-} + H2O = MnO2 + S8 + OH{-} =>
16 MnO4{-} + 24 S{2-} + 32 H2O = 16 MnO2 + 3 S8 + 64 OH{-}
C8H9NO2 + O2 = CO2 + H2O + N =>
4 C8H9NO2 + 37 O2 = 32 CO2 + 18 H2O + 4 N
Al(OH)3 + H2C2O4 + K2C2O4 = K3Al(C2O4)3*3H2O =>
2 Al(OH)3 + 3 H2C2O4 + 3 K2C2O4 = 2 K3Al(C2O4)3*3H2O
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Équations équilibrées sur02/10/25
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