| Équations équilibrées la veille |
C8H12O2 + 6 O2 = 8 CO + 6 H2O
NaHCO3 + C2H6O = Na + CO2 + H2O =>
12 NaHCO3 + C2H6O = 12 Na + 14 CO2 + 9 H2O
BF3 + K = KF + B =>
BF3 + 3 K = 3 KF + B
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cr + BrO3 = CrO4 + Br =>
3 Cr + 4 BrO3 = 3 CrO4 + 4 Br
Ca(s) + HF(aq) = CaF2(aq) + H2(g) =>
Ca(s) + 2 HF(aq) = CaF2(aq) + H2(g)
ZnO + H2MnO2 = ZnMnO2 + H2O =>
ZnO + H2MnO2 = ZnMnO2 + H2O
Zn3(PO4)2 + H2CO3 = ZnCO3 + H3PO4 =>
Zn3(PO4)2 + 3 H2CO3 = 3 ZnCO3 + 2 H3PO4
CaCl2(aq) + NaHCO3(aq) = CaCO3(s) + NaCl(aq) + H2O(aq) + CO2(g) =>
CaCl2(aq) + 2 NaHCO3(aq) = CaCO3(s) + 2 NaCl(aq) + H2O(aq) + CO2(g)
C10H7OH + HCl = C10H7Cl + H2O =>
C10H7OH + HCl = C10H7Cl + H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
ClO2{-} + Cr(OH)3 + OH{-} = ClO{-} + CrO4{2-} + H2O =>
3 ClO2{-} + 2 Cr(OH)3 + 4 OH{-} = 3 ClO{-} + 2 CrO4{2-} + 5 H2O
C6H10O6 + NaOH = C6H11NaO7 =>
C6H10O6 + NaOH = C6H11NaO7
KC4H5O6 + NaOH = Na3KC4H2O6 + H2O =>
KC4H5O6 + 3 NaOH = Na3KC4H2O6 + 3 H2O
Ca(s) + Cu(NO3)2(aq) = Ca(NO3)2(aq) + Cu(s) =>
Ca(s) + Cu(NO3)2(aq) = Ca(NO3)2(aq) + Cu(s)
C9H10NO2H + HCl = C9H10NO + Cl + H2O =>
C9H10NO2H + HCl = C9H10NO + Cl + H2O
K3(PO4) + H2(SO4) = K2(SO4) + H3(PO4) =>
2 K3(PO4) + 3 H2(SO4) = 3 K2(SO4) + 2 H3(PO4)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
OH + V = V(OH)3 =>
3 OH + V = V(OH)3
AgNO3 + NaCN = AgNa(CN)2 + NaNO3 =>
AgNO3 + 2 NaCN = AgNa(CN)2 + NaNO3
As2O3 + ClO3{-} + H2O = AsO4{3-} + Cl{-} + H{+} =>
3 As2O3 + 2 ClO3{-} + 9 H2O = 6 AsO4{3-} + 2 Cl{-} + 18 H{+}
Ni(s) + SnSO4(aq) = NiSO4(aq) + Sn(s) =>
Ni(s) + SnSO4(aq) = NiSO4(aq) + Sn(s)
Al(s) + AgNO3 = Al(NO3)3(aq) + Ag(s) =>
Al(s) + 3 AgNO3 = Al(NO3)3(aq) + 3 Ag(s)
AlCl3 + Ag2SO4 = Ag2Cl3 + AlSO4 =>
AlCl3 + Ag2SO4 = Ag2Cl3 + AlSO4
Nb2O5 = Nb + O2 =>
2 Nb2O5 = 4 Nb + 5 O2
C6H12 + O2 = C2H5OH + CO2 =>
C6H12 + 3 O2 = 2 C2H5OH + 2 CO2
CaHCO3 + Na2CO3 = CaCO3 + Na + CO2 + H2O =>
2 CaHCO3 + Na2CO3 = 2 CaCO3 + 2 Na + CO2 + H2O
Au + O2 + HCl = HAuCl4 + H2O =>
4 Au + 3 O2 + 16 HCl = 4 HAuCl4 + 6 H2O
K2Cr2O7 + FeSO4 + NaOH = Na2Cr2O7 + Fe(OH)2 + K2SO4 =>
K2Cr2O7 + FeSO4 + 2 NaOH = Na2Cr2O7 + Fe(OH)2 + K2SO4
C(s) + HNO3(ac) = CO2(g) + NO2(g) + H2O(l) =>
C(s) + 4 HNO3(ac) = CO2(g) + 4 NO2(g) + 2 H2O(l)
NH3 + OH{-} = NO3{-} + H2O + e =>
NH3 + 9 OH{-} = NO3{-} + 6 H2O + 8e
CO2 + KNO3 = KCO3 + NO2 =>
CO2 + KNO3 = KCO3 + NO2
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
FeO3(s) + CO(g) = Fe(i) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(i) + 3 CO2(g)
Te + O2 = Te2O =>
4 Te + O2 = 2 Te2O
Cr2(CO3)3 + HBr = CrBr3 + CO2 + H2O =>
Cr2(CO3)3 + 6 HBr = 2 CrBr3 + 3 CO2 + 3 H2O
H2NC(CH2OH)3 + HBr = H2O + BrHNC(CH2H)3O2 =>
H2NC(CH2OH)3 + HBr = H2O + BrHNC(CH2H)3O2
Ca(OH)2 + Cl2 = CaCl + CaClO3 + H2O =>
6 Ca(OH)2 + 3 Cl2 = 4 CaCl + 2 CaClO3 + 6 H2O
Al + Ag = AlAg =>
Al + Ag = AlAg
FeO3(s) + CO(g) = Fe(i) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(i) + 3 CO2(g)
C7H14O + K2Cr2O7 + H2SO4 = C7H12O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C7H14O + K2Cr2O7 + 4 H2SO4 = 3 C7H12O + K2SO4 + Cr2(SO4)3 + 7 H2O
Ca(OH)2 + HCl = CaCl2 + H2O(i) =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O(i)
Al(OH)3 + H(NO3) = Al(NO3)3 + H2O =>
Al(OH)3 + 3 H(NO3) = Al(NO3)3 + 3 H2O
HSO{-3} + NO{-3} = SO{-4} + NO{-2} + H =>
HSO{-3} + NO{-3} = SO{-4} + NO{-2} + H
Na2CO3(aq) + HCl(aq) = H2O(l) + CO2(aq) + NaCl(aq) =>
Na2CO3(aq) + 2 HCl(aq) = H2O(l) + CO2(aq) + 2 NaCl(aq)
KMnO4 + MnCl2 = KCl + MnO2 + Cl2 =>
2 KMnO4 + 2 MnCl2 = 2 KCl + 4 MnO2 + Cl2
Al(s) + H2O + NaOH = NaAlO2(s) + H2(g) =>
2 Al(s) + 2 H2O + 2 NaOH = 2 NaAlO2(s) + 3 H2(g)
Na2SO4 + BaCl2 + HCl = NaCl + HCl2 + Ba2SO4 =>
Na2SO4 + 2 BaCl2 + 2 HCl = 2 NaCl + 2 HCl2 + Ba2SO4
C + CuO = Cu + CO =>
C + CuO = Cu + CO
Na2SO4 + SiO2 = NaSiO3 + SO2 =>
Na2SO4 + 2 SiO2 = 2 NaSiO3 + SO2
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Équations équilibrées sur10/27/24
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