| Équations équilibrées la veille |
Cu3Zn2 + 2 HCl = Cu3Zn2Cl2 + H2
K2S + HNO3 = K2SO4 + NO + H2O =>
3 K2S + 8 HNO3 = 3 K2SO4 + 8 NO + 4 H2O
(Cr(N2H4CO)6)4(Cr(CN)6)3 + KMnO4 + H2S2O7 = K2Cr2O7 + MnSO3 + C13H10 + N2O5 + K2S4O6 + H2O =>
52(Cr(N2H4CO)6)4(Cr(CN)6)3 + 1622 KMnO4 + 2069 H2S2O7 = 182 K2Cr2O7 + 1622 MnSO3 + 168 C13H10 + 1716 N2O5 + 629 K2S4O6 + 3725 H2O
Na2S2O3(s) + HCl(aq) = NaCl(aq) + H2O(l) + SO2(g) + S(s) =>
Na2S2O3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + SO2(g) + S(s)
K2Cr2O4 + HCl = KCl + CrCl + Cl + H2O =>
K2Cr2O4 + 8 HCl = 2 KCl + 2 CrCl + 4 Cl + 4 H2O
Zn + HC + I = ZnCI2 + H2 =>
2 Zn + 2 HC + 4 I = 2 ZnCI2 + H2
SCl2 + NH3 = S4N4 + S8 + HCl =>
24 SCl2 + 16 NH3 = 4 S4N4 + S8 + 48 HCl
C2H4O + Ag(NH3)2OH = CH3CO2NH4 + Ag + NH3 + H2O =>
C2H4O + 2 Ag(NH3)2OH = CH3CO2NH4 + 2 Ag + 3 NH3 + H2O
NaJO3 + Na2SO3 + H2SO4 = NaSO4 + H2O + J =>
NaJO3 + Na2SO3 + 2 H2SO4 = 3 NaSO4 + 2 H2O + J
(b)Fe(OH)3 = Fe2O3 + H2O =>
2(b)Fe(OH)3 = Fe2O3 + 3 H2O
Cu(OH)2 + H2SO4 = CuSO4(aq) + H2O =>
Cu(OH)2 + H2SO4 = CuSO4(aq) + 2 H2O
N2H4CO + O2 = CO2 + NO + H2O =>
2 N2H4CO + 5 O2 = 2 CO2 + 4 NO + 4 H2O
Zn + MnO4{-} + H2O = Zn{+2} + MnO2 + OH{-} =>
3 Zn + 2 MnO4{-} + 4 H2O = 3 Zn{+2} + 2 MnO2 + 8 OH{-}
Mg(NO3)2 + KIO3 = Mg(IO3)2 + KNO3 =>
Mg(NO3)2 + 2 KIO3 = Mg(IO3)2 + 2 KNO3
H2ZnO2Na2S = Na2ZnO2H2S =>
H2ZnO2Na2S = Na2ZnO2H2S
Cr3 + NH3 + H2O = Cr(OH)3 + NH4 =>
Cr3 + 9 NH3 + 9 H2O = 3 Cr(OH)3 + 9 NH4
I{-} + H{+} = IH =>
I{-} + H{+} = IH
Mg + HN2 = Mg3N2 + H =>
3 Mg + HN2 = Mg3N2 + H
C3H7ClKOH = C3H6KClH2O =>
C3H7ClKOH = C3H6KClH2O
Cu(HCO3) = Cu2O + H2O + CO2 =>
2 Cu(HCO3) = Cu2O + H2O + 2 CO2
I{-} + H2SO4 = HI + HSO4{-} =>
I{-} + H2SO4 = HI + HSO4{-}
BaCl2 + NaCH3COO = Ba(CH3COO)2 + NaCl =>
BaCl2 + 2 NaCH3COO = Ba(CH3COO)2 + 2 NaCl
HPO3 + Na2CO3 = NaPO3 + CO2 + H2O =>
2 HPO3 + Na2CO3 = 2 NaPO3 + CO2 + H2O
CuCO3Cu(OH)2 = CuO + H2O + CO2 =>
CuCO3Cu(OH)2 = 2 CuO + H2O + CO2
Ba(OH)2 = Ba + OH =>
Ba(OH)2 = Ba + 2 OH
F + H2 = FH7 =>
2 F + 7 H2 = 2 FH7
AlCl3 + NH3*H2O = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH3*H2O = Al(OH)3 + 3 NH4Cl
K2SO{2-}3 + HCl = KCl + H2SO{2-}4 =>
K2SO{2-}3 + 2 HCl = 2 KCl + H2SO{2-}4
Fe + Ba = FeBa =>
Fe + Ba = FeBa
Hg2(ClO3)2 + NaOH = Hg2O + NaClO3 + H2O =>
Hg2(ClO3)2 + 2 NaOH = Hg2O + 2 NaClO3 + H2O
AgNo3 + K2Cr2O4 = Ag2Cr2O4 + KNo3 =>
2 AgNo3 + K2Cr2O4 = Ag2Cr2O4 + 2 KNo3
Al(OH)3 + K4Fe(CN)6 = Al4[Fe(CN)6]3 + KOH =>
4 Al(OH)3 + 3 K4Fe(CN)6 = Al4[Fe(CN)6]3 + 12 KOH
Ag2O + HNO3 = H2O + AgNO3 =>
Ag2O + 2 HNO3 = H2O + 2 AgNO3
NH4NO3 + KCl = NH4 + Cl + KNO3 =>
NH4NO3 + KCl = NH4 + Cl + KNO3
KNbO3 + NaCl = NaNbO3 + KCl =>
KNbO3 + NaCl = NaNbO3 + KCl
Zn + K2Cr2O7 + H2SO4 = H2O + K2SO4 + ZnSO4 + CrSO4 =>
4 Zn + K2Cr2O7 + 7 H2SO4 = 7 H2O + K2SO4 + 4 ZnSO4 + 2 CrSO4
N2 + CO2 + H2O = HCN + O2 =>
2 N2 + 4 CO2 + 2 H2O = 4 HCN + 5 O2
C7H9N + KMnO4 = C7H5O4N + MnO + K + H2O =>
C7H9N + 2 KMnO4 = C7H5O4N + 2 MnO + 2 K + 2 H2O
Zn3(PO4)2 + Zn(OH)2 = (ZnOH)3PO4 =>
Zn3(PO4)2 + 3 Zn(OH)2 = 2(ZnOH)3PO4
NH4 + KOH = NH5KO =>
NH4 + KOH = NH5KO
FeCl3 + H2SO4 = FeSO4 + Cl3H2 =>
FeCl3 + H2SO4 = FeSO4 + Cl3H2
Bi(OH)3 + NaSnO2 = NaSnO3 + Bi + H2O =>
2 Bi(OH)3 + 3 NaSnO2 = 3 NaSnO3 + 2 Bi + 3 H2O
NaCl + HNO3 + Ag(NH3)2OH = H2O + NH4NO3 + AgCl + NaNO3 =>
NaCl + 3 HNO3 + Ag(NH3)2OH = H2O + 2 NH4NO3 + AgCl + NaNO3
[Cr(OH)3(H2O)3] + KOH = K3[Cr(OH)6] + H2O =>
[Cr(OH)3(H2O)3] + 3 KOH = K3[Cr(OH)6] + 3 H2O
NaClO(aq) + KBr(aq) + H2O(l) = NaCl(aq) + KOH(aq) + Br2(aq) =>
NaClO(aq) + 2 KBr(aq) + H2O(l) = NaCl(aq) + 2 KOH(aq) + Br2(aq)
CCl4 + SbF3 = CCl2F2 + SbCl2 + Cl2 =>
3 CCl4 + 2 SbF3 = 3 CCl2F2 + 2 SbCl2 + Cl2
HNO3 + NiOH = H2O + NiNO3 =>
HNO3 + NiOH = H2O + NiNO3
Cu(H2O)Cl = CuClH2O =>
Cu(H2O)Cl = CuClH2O
Ca(IO3)2 + KI + HCl = CaCl2 + KCl + I2 + H2O =>
Ca(IO3)2 + 10 KI + 12 HCl = CaCl2 + 10 KCl + 6 I2 + 6 H2O
CH3OH + K2CrO7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3OH + 4 K2CrO7 + 10 H2SO4 = 9 HCOOH + 2 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
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