| Équations équilibrées la veille |
KCN + H2O = HCN + KOH
F2 + Fe = Fe3F =>
F2 + 6 Fe = 2 Fe3F
Sr3P2 = Sr + P4 =>
2 Sr3P2 = 6 Sr + P4
Ce2(SO4)3 + KMnO4 + H2SO4 = MnSO4 + Ce(SO4)2 + H2O + K2SO4 =>
5 Ce2(SO4)3 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 10 Ce(SO4)2 + 8 H2O + K2SO4
ZnBr2 + Ca(OH)2 = Zn(OH)2 + CaBr2 =>
ZnBr2 + Ca(OH)2 = Zn(OH)2 + CaBr2
Na2SO4 + HCl = NaCl + H2SO4 =>
Na2SO4 + 2 HCl = 2 NaCl + H2SO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Al(g) + Cl2(g) = AlCl3(s) =>
2 Al(g) + 3 Cl2(g) = 2 AlCl3(s)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Bi2O3 + OH{-} + OCl{-} = BiO3{-} + Cl{-} + H2O =>
Bi2O3 + 2 OH{-} + 2 OCl{-} = 2 BiO3{-} + 2 Cl{-} + H2O
H3PO4 + NaOH = H2O(l) + Na + HPO4 =>
H3PO4 + 2 NaOH = 2 H2O(l) + 2 Na + HPO4
NaCH3COO + HCl = NaCl + HCH3COO =>
NaCH3COO + HCl = NaCl + HCH3COO
CuCl2 + NaOH = Cu* + (OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu* + (OH)2 + 2 NaCl
Zn + HNO3 = Zn(HNO3) =>
Zn + HNO3 = Zn(HNO3)
C3H7O2Cl + Na3PO4 + H2O = C3H7Na2O6P*5H2O + NaCl =>
C3H7O2Cl + Na3PO4 + 5 H2O = C3H7Na2O6P*5H2O + NaCl
CH3OH + Cr2O72{-} + H{+} = HCOOH + Cr3{+} + H2O =>
427 CH3OH + 12 Cr2O72{-} + 20 H{+} = 427 HCOOH + 8 Cr3{+} + 437 H2O
CH3CO2CH3 + H2O = CH3COOH + CH3OH =>
CH3CO2CH3 + H2O = CH3COOH + CH3OH
NpF3 + Si = NpSi2 + SiF4 =>
4 NpF3 + 11 Si = 4 NpSi2 + 3 SiF4
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
KCl + AgNO3 = AgCl + KNO3 =>
KCl + AgNO3 = AgCl + KNO3
C3H5OH(l) + O2(g) = CO2(g) + H2O(l) =>
C3H5OH(l) + 4 O2(g) = 3 CO2(g) + 3 H2O(l)
C57H104O6 + NaOH = NaC18H33O2 + C3H8O3 =>
C57H104O6 + 3 NaOH = 3 NaC18H33O2 + C3H8O3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H4P2O7 + Mg(OH)2 = Mg4(P2O7)2 + H2O =>
2 H4P2O7 + 4 Mg(OH)2 = Mg4(P2O7)2 + 8 H2O
Ca(OH)2*H2O + H3PO4 = Ca10(PO4)6(OH)2 + H2O =>
10 Ca(OH)2*H2O + 6 H3PO4 = Ca10(PO4)6(OH)2 + 28 H2O
Cr2(SO4)3 + H2O = Cr(OH)SO4 + H2SO4 =>
Cr2(SO4)3 + 2 H2O = 2 Cr(OH)SO4 + H2SO4
KOH + NO2 = KNO2 + H2O + KNO3 =>
2 KOH + 2 NO2 = KNO2 + H2O + KNO3
Sr(HSO3)2 + KF = KHSO3 + SrF2 =>
Sr(HSO3)2 + 2 KF = 2 KHSO3 + SrF2
CuO = Cu2 + O =>
2 CuO = Cu2 + 2 O
NH3 + H + S = NH42S =>
NH3 + 39 H + S = NH42S
HCl + Fe + KMnO4 = FeCl3 + KCl + H2O + MnCl3 =>
24 HCl + 4 Fe + 3 KMnO4 = 4 FeCl3 + 3 KCl + 12 H2O + 3 MnCl3
FeSO3 + HBr = FeBr2 + H2O + SO2 =>
FeSO3 + 2 HBr = FeBr2 + H2O + SO2
Ba + SO4 + NaOH = BaOH + NaSO4 =>
Ba + SO4 + NaOH = BaOH + NaSO4
K2Cr2O7 + CH3CH2OH + HCl = CrCl3 + KCl + CH3COOH + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 16 HCl = 4 CrCl3 + 4 KCl + 3 CH3COOH + 11 H2O
NH3 + H + S = NH42S =>
NH3 + 39 H + S = NH42S
HF + O2 = F2 + H2O =>
4 HF + O2 = 2 F2 + 2 H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
C6H6 + KMnO4 + H2O = C6H6O2 + MnO2 + KOH =>
3 C6H6 + 4 KMnO4 + 2 H2O = 3 C6H6O2 + 4 MnO2 + 4 KOH
KBr + H3PO4 = K3PO4 + HBr =>
3 KBr + H3PO4 = K3PO4 + 3 HBr
Ni + HNO3 = NO + Ni(NO3)2 + H2O =>
3 Ni + 8 HNO3 = 2 NO + 3 Ni(NO3)2 + 4 H2O
C4H4 + O2 = CO2 + H2O =>
C4H4 + 5 O2 = 4 CO2 + 2 H2O
NaIO3 + SO2 + H2O = NaI + H2SO4 =>
NaIO3 + 3 SO2 + 3 H2O = NaI + 3 H2SO4
C5H5N + O2 = H2O + CO2 + N2 =>
4 C5H5N + 25 O2 = 10 H2O + 20 CO2 + 2 N2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HC2H2 + O2 = CO2 + H2O =>
4 HC2H2 + 11 O2 = 8 CO2 + 6 H2O
H3PO4 + MgCO3 = Mg3(PO4)2 + CO2 + H2O =>
2 H3PO4 + 3 MgCO3 = Mg3(PO4)2 + 3 CO2 + 3 H2O
K2O + Zn(OH)2 = KOH + ZnO =>
K2O + Zn(OH)2 = 2 KOH + ZnO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3CHCH2 + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
2 CH3CHCH2 + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 8 H2O
KMnO4 + K2SO3 + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 3 H2SO4 = 2 MnSO4 + 6 K2SO4 + 3 H2O
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