| Équations équilibrées la veille | Équations équilibrées le lendemain |
Hg + CH4 = Hg(CH3) + H
Mg(NO3)2(aq) + KCl(aq) = MgCl2(s) + KNO3(aq) =>
Mg(NO3)2(aq) + 2 KCl(aq) = MgCl2(s) + 2 KNO3(aq)
KMnO4 + HBr = MnBr2 + Br + H2O + KBr =>
KMnO4 + 8 HBr = MnBr2 + 5 Br + 4 H2O + KBr
Al2 + S6 = S2Al6 =>
9 Al2 + S6 = 3 S2Al6
K2Cr2O7 + NaOH = K2Na + Cr2O7OH =>
K2Cr2O7 + NaOH = K2Na + Cr2O7OH
Al2O3 + H2 = AlO + H2O =>
Al2O3 + H2 = 2 AlO + H2O
Na2CO3(aq) + H3PO4(aq)(weakacid) = Na3PO4(aq) + CO2(g) + H2O(l) =>
3 Na2CO3(aq) + 2 H3PO4(aq)(weakacid) = 2 Na3PO4(aq) + 3 CO2(g) + 3 H2O(l)
C5H12O + CuO = CH3CHO + H2O + Cu =>
2 C5H12O + 5 CuO = 5 CH3CHO + 2 H2O + 5 Cu
K2SO3(aq) + CH3CO2H(aq) = KCH3CO2(aq) + SO2(g) + H2O(l) =>
K2SO3(aq) + 2 CH3CO2H(aq) = 2 KCH3CO2(aq) + SO2(g) + H2O(l)
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CU2O + H2 = CU2 + H2O =>
CU2O + H2 = CU2 + H2O
Ni(OH)2 + HClO4 = Ni(HClO4)2 + OH =>
Ni(OH)2 + 2 HClO4 = Ni(HClO4)2 + 2 OH
C2F2 + O2 = CO2 + F2 =>
C2F2 + 2 O2 = 2 CO2 + F2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
C12H18O9 + O2 = CO2 + H2O =>
C12H18O9 + 12 O2 = 12 CO2 + 9 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3CH2OH + HCl = CH3CH2 + H3O + Cl =>
CH3CH2OH + 2 HCl = CH3CH2 + H3O + 2 Cl
CaCN2 + H2O = Ca(OH)2 + CH4N2O =>
CaCN2 + 3 H2O = Ca(OH)2 + CH4N2O
P4O10 + H2O = H2PO4{-} + H3O{+} =>
P4O10 + 10 H2O = 4 H2PO4{-} + 4 H3O{+}
Cr + O2 = Cr2O2 =>
2 Cr + O2 = Cr2O2
C35H72 + O2 = H2O + CO2 =>
C35H72 + 53 O2 = 36 H2O + 35 CO2
H2O2(l) + MnO2(s) = MnH2(g) + O2(g) =>
H2O2(l) + MnO2(s) = MnH2(g) + 2 O2(g)
BaS + NiCl2 = BaCl2 + NiS =>
BaS + NiCl2 = BaCl2 + NiS
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
SBr3 = S + Br2 =>
2 SBr3 = 2 S + 3 Br2
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
W + S8 = W2S7 =>
16 W + 7 S8 = 8 W2S7
Calciumhydroxide + Carbondioxide = water + calciumcarbonate =>
Ca(OH)2 + CO2 = H2O + CaCO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C2H5 + O2 = CO2 + H2O =>
4 C2H5 + 13 O2 = 8 CO2 + 10 H2O
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
KC1O3 + C6H12O6 = KC1 + CO2 + H2O =>
4 KC1O3 + C6H12O6 = 4 KC1 + 6 CO2 + 6 H2O
Al(s) + Fe(NO3)(aq) = Al(NO3)3(aq) + Fe(s) =>
Al(s) + 3 Fe(NO3)(aq) = Al(NO3)3(aq) + 3 Fe(s)
K + AlBr2 = Al + KBr =>
2 K + AlBr2 = Al + 2 KBr
H2CrO4 + Sr(OH) = H3O + Sr(CrO4) =>
H2CrO4 + Sr(OH) = H3O + Sr(CrO4)
Mg3Si4O10(OH)2 + H2O + Mg2SiO4 = Mg48Si34O85(OH)62 =>
4 Mg3Si4O10(OH)2 + 27 H2O + 18 Mg2SiO4 = Mg48Si34O85(OH)62
As2O3 + NO3{-} + H{+} + H2O = H3AsO4 + N2O3 =>
As2O3 + 2 NO3{-} + 2 H{+} + 2 H2O = 2 H3AsO4 + N2O3
H2(SO4) + NH3 = NH4 + H(SO4) =>
H2(SO4) + NH3 = NH4 + H(SO4)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Na2CO3*H2O + Cu(NO3)2*25H2O = Na(NO3) + Cu2(OH)3(NO3) + CO2 + H2O =>
3 Na2CO3*H2O + 4 Cu(NO3)2*25H2O = 6 Na(NO3) + 2 Cu2(OH)3(NO3) + 3 CO2 + 100 H2O
MnO3 + H2C2O4 + H2SO4 = MnSO4 + CO2 + H2O =>
MnO3 + 2 H2C2O4 + H2SO4 = MnSO4 + 4 CO2 + 3 H2O
K(OH)2 + HCl = KCl + H3O2 =>
K(OH)2 + HCl = KCl + H3O2
CuI2 + RbC2H3O2 = Cu(C2H3O2)2 + RbI =>
CuI2 + 2 RbC2H3O2 = Cu(C2H3O2)2 + 2 RbI
CH3COOH + Ca(OH)2 = Ca(CH3COO)2 + H2O =>
2 CH3COOH + Ca(OH)2 = Ca(CH3COO)2 + 2 H2O
CuCl2(aq) + Na2CO3(aq) = NaCl(aq) + CuCO3(s) =>
CuCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CuCO3(s)
Cu(OH)2 + O2 = CuO + (OH) =>
2 Cu(OH)2 + O2 = 2 CuO + 4(OH)
LiO + SO2 = Li2S + O3 =>
6 LiO + 3 SO2 = 3 Li2S + 4 O3
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Équations équilibrées sur01/28/25
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