| Équations équilibrées la veille |
Se + Br = BrSe
NaCN + H2CO3 = HCN + Na2CO3 =>
2 NaCN + H2CO3 = 2 HCN + Na2CO3
Al + BrH = AlBr3 + H =>
Al + 3 BrH = AlBr3 + 3 H
NH3 + HNO2 = H2O + N2 =>
NH3 + HNO2 = 2 H2O + N2
CrO4 + SO3 + H{+} = Cr3{+} + SO4 + H2O =>
6 CrO4 + 23 SO3 + 2 H{+} = 2 Cr3{+} + 23 SO4 + H2O
Ce2O3 + B4C + C = CeB4 + CO =>
Ce2O3 + 2 B4C + C = 2 CeB4 + 3 CO
NaBr(aq) + Ca(HO)2(aq) = CaBr2(aq) + NaHO(aq) =>
2 NaBr(aq) + Ca(HO)2(aq) = CaBr2(aq) + 2 NaHO(aq)
CsHSO3(aq) + HI(aq) = CsI(aq) + SO2(g) + H2O(l) =>
CsHSO3(aq) + HI(aq) = CsI(aq) + SO2(g) + H2O(l)
F2 + Li = FLi =>
F2 + 2 Li = 2 FLi
C2H4(OH)2 + K = C2H4O2K2 + H2 =>
C2H4(OH)2 + 2 K = C2H4O2K2 + H2
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
KHSO3 = K2O + SO2 + H2O =>
2 KHSO3 = K2O + 2 SO2 + H2O
BaBr2 + MgSO4 = BaSO4 + MgBr2 =>
BaBr2 + MgSO4 = BaSO4 + MgBr2
Ni(OH)Cl + HCl = NiCl2 + H2O =>
Ni(OH)Cl + HCl = NiCl2 + H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
HCOOH + KOH = HCOOK + H2O =>
HCOOH + KOH = HCOOK + H2O
Al + HO = AlO + H =>
Al + HO = AlO + H
CuCO3(s) + H2SO4 = CuSO4(aq) + H2O(l) + CO2 =>
CuCO3(s) + H2SO4 = CuSO4(aq) + H2O(l) + CO2
Na2CO3 + C6H5COOH = C6H5COONa + CO2 + H2O =>
Na2CO3 + 2 C6H5COOH = 2 C6H5COONa + CO2 + H2O
Br2 + S2O32{-} + H2O = Br1{-} + SO42{-} + H{+} =>
103 Br2 + 2 S2O32{-} + 104 H2O = 206 Br1{-} + 4 SO42{-} + 208 H{+}
As + H2O + ClO3{-} + H{+} = H3AsO3 + HClO =>
4 As + 6 H2O + 3 ClO3{-} + 3 H{+} = 4 H3AsO3 + 3 HClO
K2Cr2O7 + K2S + KHSO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 K2S + 32 KHSO4 = 23 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
H3PO4 + AlCl3 = HCl + AlPO4 =>
H3PO4 + AlCl3 = 3 HCl + AlPO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
N2O6 + N2H4 = N2 + H2O =>
N2O6 + 3 N2H4 = 4 N2 + 6 H2O
Ni(OH)Cl + HCl = NiCl2 + H2O =>
Ni(OH)Cl + HCl = NiCl2 + H2O
Mn + OH = MnO4 + H2 =>
Mn + 4 OH = MnO4 + 2 H2
Na(s) + H3PO4(aq) = H(g) + Na3PO4(aq) =>
3 Na(s) + H3PO4(aq) = 3 H(g) + Na3PO4(aq)
C4H9Cl + NaOH = C4H10O + NaCl =>
C4H9Cl + NaOH = C4H10O + NaCl
Cd(s) + NiCl2(aq) = Ni + CdCl2 =>
Cd(s) + NiCl2(aq) = Ni + CdCl2
Al + C = AlC5 =>
Al + 5 C = AlC5
C5H12O + NaBr + H2SO4 = C5H11Br + NaH3SO5 =>
C5H12O + NaBr + H2SO4 = C5H11Br + NaH3SO5
KCl + AgNO2 = KNO2 + AgCl =>
KCl + AgNO2 = KNO2 + AgCl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Pb(O2)4 = PbO + O2 =>
2 Pb(O2)4 = 2 PbO + 7 O2
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
F2(aq) + H2O(l) = O2(g) + HF(aq) =>
2 F2(aq) + 2 H2O(l) = O2(g) + 4 HF(aq)
C17H35COONa + CaCO3 = (C17H35COO)2Ca + Na2CO3 =>
2 C17H35COONa + CaCO3 = (C17H35COO)2Ca + Na2CO3
KSO4 + AgNO3 = KNO3 + AgSO4 =>
KSO4 + AgNO3 = KNO3 + AgSO4
Na1 + Cl1 = NaCl =>
Na1 + Cl1 = NaCl
AlPO4 + H2SO4 = Al2(SO4)3 + H3PO4 =>
2 AlPO4 + 3 H2SO4 = Al2(SO4)3 + 2 H3PO4
FeSO4 + K2MnO4 = FeMnO4 + K2SO4 =>
FeSO4 + K2MnO4 = FeMnO4 + K2SO4
H2SiO3 + HCl = SiCl4 + H2O =>
H2SiO3 + 4 HCl = SiCl4 + 3 H2O
KMnO4 + H2SO4 + C12H22O11 = KMnSO4 + CO2 + OH =>
35 KMnO4 + 35 H2SO4 + 2 C12H22O11 = 35 KMnSO4 + 24 CO2 + 114 OH
C2H5OH + O2 = CO + H(OH) =>
C2H5OH + 2 O2 = 2 CO + 3 H(OH)
Ba + Ni2O3 = Ni + BaO =>
3 Ba + Ni2O3 = 2 Ni + 3 BaO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe(NO3)3 + KHO = Fe(OH)3 + KNO3 =>
Fe(NO3)3 + 3 KHO = Fe(OH)3 + 3 KNO3
CH3Co2H + NaOH = CH3Co2Na + H2O =>
CH3Co2H + NaOH = CH3Co2Na + H2O
C4H10S + NaClO = C8H18S2 + NaCl + H2O =>
2 C4H10S + NaClO = C8H18S2 + NaCl + H2O
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Équations équilibrées sur10/24/24
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