| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + C6H8O6 = 2 FeO + C6H6O6 + H2O
NaCl(aq) + I2(aq) = NaI2 + Cl =>
NaCl(aq) + I2(aq) = NaI2 + Cl
HCl + K2CO3 = CO2 + H2O + KCl =>
2 HCl + K2CO3 = CO2 + H2O + 2 KCl
C6H6 + C2H5OH = C6H5C3H5 + H2O =>
8 C6H6 + 3 C2H5OH = 6 C6H5C3H5 + 3 H2O
Cr2 + K = CrK =>
Cr2 + 2 K = 2 CrK
Sn(s) + O2(g) = SnO(s) =>
2 Sn(s) + O2(g) = 2 SnO(s)
MgO + H3PO4 = Mg3(PO4)2 + H2O =>
3 MgO + 2 H3PO4 = Mg3(PO4)2 + 3 H2O
NiSO4(aq) + NH4OH = NiOH + (NH4)SO4 =>
NiSO4(aq) + NH4OH = NiOH + (NH4)SO4
Ca(OH)2 + Si + H2O = CaSiO3 + H2 =>
Ca(OH)2 + Si + H2O = CaSiO3 + 2 H2
CaSO3 + KMnO4 + H2SO4 = CaSO4 + K2SO4 + MnSO4 + H2O =>
5 CaSO3 + 2 KMnO4 + 3 H2SO4 = 5 CaSO4 + K2SO4 + 2 MnSO4 + 3 H2O
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Al2(C2O4)3 + PbCrO4 = Al2(CrO4)3 + PbC2O4 =>
Al2(C2O4)3 + 3 PbCrO4 = Al2(CrO4)3 + 3 PbC2O4
B2O + CaO3 = CaO + B2O3 =>
B2O + CaO3 = CaO + B2O3
Cl2(g) + KI(s) = KCl(aq) + I2(s) =>
Cl2(g) + 2 KI(s) = 2 KCl(aq) + I2(s)
ZnI2 + Na2SO4 = ZnSO4 + NaI =>
ZnI2 + Na2SO4 = ZnSO4 + 2 NaI
H2 + Ti = TiH =>
H2 + 2 Ti = 2 TiH
Li + HNO3 = LiNO3 + NH4NO3 + H2O =>
8 Li + 10 HNO3 = 8 LiNO3 + NH4NO3 + 3 H2O
KCI + HNO3 = KNO3 + HCI =>
KCI + HNO3 = KNO3 + HCI
KMnO4 + KOH + Al = K2MnO4 + Al(OH)3 =>
3 KMnO4 + 3 KOH + Al = 3 K2MnO4 + Al(OH)3
Fe(OH)3 + HClO4 = Fe(OH)2ClO4 + H2O =>
Fe(OH)3 + HClO4 = Fe(OH)2ClO4 + H2O
C18H34O2(l) + O2(g) = CO2(g) + H2O(g) =>
2 C18H34O2(l) + 51 O2(g) = 36 CO2(g) + 34 H2O(g)
H2SO4(ac) + NaOH(ac) = NaSO4 + H2O + H2 =>
2 H2SO4(ac) + 2 NaOH(ac) = 2 NaSO4 + 2 H2O + H2
C4H8O4N + O2 = CO2 + H2O + N2 =>
2 C4H8O4N + 8 O2 = 8 CO2 + 8 H2O + N2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Se + NaBH4 + H2O = NaHSe + Na2B4O7 + H2 =>
2 Se + 4 NaBH4 + 7 H2O = 2 NaHSe + Na2B4O7 + 14 H2
Ca3(PO2)2 + C = Ca3P2 + CO =>
Ca3(PO2)2 + 4 C = Ca3P2 + 4 CO
Ta2Si + O2 = Ta2O5 + SiO2 =>
2 Ta2Si + 7 O2 = 2 Ta2O5 + 2 SiO2
Al(OH)3 + CH4 = Al4C3 + H2O =>
4 Al(OH)3 + 3 CH4 = Al4C3 + 12 H2O
K2Cr2O7 + Na2SO3 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + Na2SO4 =>
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = Cr2(SO4)3 + 4 H2O + K2SO4 + 3 Na2SO4
C10H14 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
35 C10H14 + 78 KMnO4 + 117 H2SO4 = 50 C7H6O2 + 78 MnSO4 + 39 K2SO4 + 212 H2O
(NH4)2C2O4 + AlCl3 = Al2(C2O4)3 + NH4Cl =>
3(NH4)2C2O4 + 2 AlCl3 = Al2(C2O4)3 + 6 NH4Cl
Mg(OH)2 + NH2CH2COOH = Mg(NH2CH2COO)2 + H2O =>
Mg(OH)2 + 2 NH2CH2COOH = Mg(NH2CH2COO)2 + 2 H2O
Cr{+} + OH{-} = Cr(OH) =>
Cr{+} + OH{-} = Cr(OH)
CaCl2 + NH4OH = Ca + OH + NH4Cl =>
CaCl2 + 2 NH4OH = Ca + 2 OH + 2 NH4Cl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
(NH4)2C2O4 + Al(ClO4)3 = NH4ClO4 + Al2(C2O4)3 =>
3(NH4)2C2O4 + 2 Al(ClO4)3 = 6 NH4ClO4 + Al2(C2O4)3
Pb{4+}(aq) + Ti(s) = Pb{2+}(aq) + Ti{4+}(aq) =>
2 Pb{4+}(aq) + Ti(s) = 2 Pb{2+}(aq) + Ti{4+}(aq)
Ca + N3 = Ca(N3)2 =>
Ca + 2 N3 = Ca(N3)2
CaCl2 + (NH4)2C2O4 = CaC2O4 + NH4Cl =>
CaCl2 + (NH4)2C2O4 = CaC2O4 + 2 NH4Cl
C8H10 + KMnO4 = C7H6O2 + MnO2 + K2CO3 + H2O =>
2 C8H10 + 18 KMnO4 = C7H6O2 + 18 MnO2 + 9 K2CO3 + 7 H2O
Na2C2O4 + CH3COOH = NaCH3COO + H2C2O4 =>
Na2C2O4 + 2 CH3COOH = 2 NaCH3COO + H2C2O4
KCl + Sr = SrCl + KSr =>
KCl + 2 Sr = SrCl + KSr
FeCl2 + K2O = KCl + FeO =>
FeCl2 + K2O = 2 KCl + FeO
C3H6O + I2 + KOH = CH3COOK + KI + H2O =>
2 C3H6O + 4 I2 + 11 KOH = 3 CH3COOK + 8 KI + 7 H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
H2S(aq) + Ag{+}(aq) = Ag2S(s) + H{+}(aq) =>
H2S(aq) + 2 Ag{+}(aq) = Ag2S(s) + 2 H{+}(aq)
CO2(g) + H2O(l) = C6H12O(l)O6(aq) + O2(g) =>
12 CO2(g) + 12 H2O(l) = 2 C6H12O(l)O6(aq) + 11 O2(g)
HBr = Br2 + H2 =>
2 HBr = Br2 + H2
KHC8H4O4 + KOH = K2HC8H4O4 + OH =>
KHC8H4O4 + KOH = K2HC8H4O4 + OH
AgHCO3 + NaOH = AgOH + NaHCO3 =>
AgHCO3 + NaOH = AgOH + NaHCO3
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Équations équilibrées sur10/18/24
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