| Équations équilibrées la veille |
NaCl + KMnO4 = KCl + Na(MnO4)
CH3COOH + K2CO3 = CH3COK + CO2 + H2O =>
5 CH3COOH + 2 K2CO3 = 4 CH3COK + 4 CO2 + 4 H2O
Ba(NO3)2 + Li4PO3 = Ba4(PO3)2 + LiNO3 =>
4 Ba(NO3)2 + 2 Li4PO3 = Ba4(PO3)2 + 8 LiNO3
H2SO4 + NaBr = Na2SO4 + H2Br2 =>
H2SO4 + 2 NaBr = Na2SO4 + H2Br2
Mg2 + KOH = K + Mg(OH)2 =>
Mg2 + 4 KOH = 4 K + 2 Mg(OH)2
NaOH(s) + HCl(aq) = NaCl + H2O =>
NaOH(s) + HCl(aq) = NaCl + H2O
NaI + CuCl2 = NaCl + CuI + I =>
2 NaI + CuCl2 = 2 NaCl + CuI + I
Na3PO4 + KCI = K3PO4 + NaCI =>
Na3PO4 + 3 KCI = K3PO4 + 3 NaCI
Bi3 + O2 = BiO =>
2 Bi3 + 3 O2 = 6 BiO
Ca(NO3)2 + K3(Fe(CN)6) = Ca3(Fe(CN)6)2 + KNO3 =>
3 Ca(NO3)2 + 2 K3(Fe(CN)6) = Ca3(Fe(CN)6)2 + 6 KNO3
HC = H + C =>
HC = H + C
K + Cl2 + O2 = KClO2 =>
2 K + Cl2 + 2 O2 = 2 KClO2
(CH3)3N + O2 = CO2 + N + H2O =>
4(CH3)3N + 21 O2 = 12 CO2 + 4 N + 18 H2O
Sn(s) + Pb(NO3)2(aq) = Sn(NO3)2(aq) + Pb(s) =>
Sn(s) + Pb(NO3)2(aq) = Sn(NO3)2(aq) + Pb(s)
((CH3)3N) + H2O = (CH3)3NH + HO =>
((CH3)3N) + H2O = (CH3)3NH + HO
Na2S + F2 = NaF + S8 =>
8 Na2S + 8 F2 = 16 NaF + S8
P2O3 + Ca(OH)2 = CaPHO3 + H2O =>
P2O3 + 2 Ca(OH)2 = 2 CaPHO3 + H2O
H6O + N2 = N2H4 + H2O =>
H6O + N2 = N2H4 + H2O
Li2O + CH4 = LiH + CO2 =>
2 Li2O + CH4 = 4 LiH + CO2
FeSO4 + H3PO4 = FePO4H + H2SO4 =>
FeSO4 + H3PO4 = FePO4H + H2SO4
Fe2 + B = Fe2B2 =>
Fe2 + 2 B = Fe2B2
ZnCl2 + Li3PO4 = Li3Cl2 + ZnPO4 =>
ZnCl2 + Li3PO4 = Li3Cl2 + ZnPO4
Pb(NO3)2 + K3P = Pb3P2 + KNO3 =>
3 Pb(NO3)2 + 2 K3P = Pb3P2 + 6 KNO3
K2Cr2O7 + C2H6O + H2SO4 = Cr2(SO4)3 + C2H4O + K2SO4 + H2O =>
K2Cr2O7 + 3 C2H6O + 4 H2SO4 = Cr2(SO4)3 + 3 C2H4O + K2SO4 + 7 H2O
SO2 + Ca(OH)2 = CaS2O5 + H2O =>
2 SO2 + Ca(OH)2 = CaS2O5 + H2O
CH3CH2OH + O2(g) = CH3CHO(aq) + H2O =>
2 CH3CH2OH + O2(g) = 2 CH3CHO(aq) + 2 H2O
KMnO4 + KNO2 + H2O = MnO2 + KNO3 + KOH =>
2 KMnO4 + 3 KNO2 + H2O = 2 MnO2 + 3 KNO3 + 2 KOH
AgNO3 + Cu(II)Cl = AgCl + Cu(II)NO3 =>
AgNO3 + Cu(II)Cl = AgCl + Cu(II)NO3
ZnSO3H2O = H2SO3 + ZnO =>
ZnSO3H2O = H2SO3 + ZnO
Cu + N2 = Cu2N3 =>
4 Cu + 3 N2 = 2 Cu2N3
PbO + CuO + TeO2 + O2 = PbCuTe2O7 =>
2 PbO + 2 CuO + 4 TeO2 + O2 = 2 PbCuTe2O7
CaO*SiO2 + H2O = CaO*2SiO2*3H2O + Ca(OH)2 =>
2 CaO*SiO2 + 4 H2O = CaO*2SiO2*3H2O + Ca(OH)2
XSO3 + H2O = XH2SO4 =>
XSO3 + H2O = XH2SO4
NiCO3 + H2SO4 = CO2 + H2O + NiSO4 =>
NiCO3 + H2SO4 = CO2 + H2O + NiSO4
H{+} + {-} + H2CrO4 = Cr{+3} + H2O =>
6 H{+} + 3e + H2CrO4 = Cr{+3} + 4 H2O
Cu(II)Cl + NaOH = Cu(II)OH + NaCl =>
Cu(II)Cl + NaOH = Cu(II)OH + NaCl
CS2 + F2 = CF + S =>
2 CS2 + F2 = 2 CF + 4 S
Pb2 + Al(NO3)3 = Al3 + Pb(NO3)2 =>
9 Pb2 + 12 Al(NO3)3 = 4 Al3 + 18 Pb(NO3)2
Au2O + Na = Na2O + Au =>
Au2O + 2 Na = Na2O + 2 Au
Li2CO3(aq) + Ni(NO3)3(aq) = LiNO3(aq) + Ni2(CO3)3(s) =>
3 Li2CO3(aq) + 2 Ni(NO3)3(aq) = 6 LiNO3(aq) + Ni2(CO3)3(s)
H2KAl3(SiO4)3 + H2SO4 = Al2(SO4)3 + K2SO4 + H4SiO4 =>
2 H2KAl3(SiO4)3 + 10 H2SO4 = 3 Al2(SO4)3 + K2SO4 + 6 H4SiO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Zn + NO2{-} + OH{-} + H2O = [Zn(OH)4]{-} + NH3 =>
2 Zn + NO2{-} + OH{-} + 5 H2O = 2[Zn(OH)4]{-} + NH3
KMnO4 + FeCl2 + H2SO4 = Cl2 + Fe2(SO4)3 + K2SO4 + H2O + MnSO4 =>
6 KMnO4 + 10 FeCl2 + 24 H2SO4 = 10 Cl2 + 5 Fe2(SO4)3 + 3 K2SO4 + 24 H2O + 6 MnSO4
MnSO4 + Cl2 + KOH = K2MnO4 + KCl + K2SO4 + H2O =>
MnSO4 + 2 Cl2 + 8 KOH = K2MnO4 + 4 KCl + K2SO4 + 4 H2O
NaHSO4*2H2O + FeCl3 + (NH4)2SO4 + H2O = NaFe3(SO4)2(OH)6 + HCl + NH3 =>
NaHSO4*2H2O + 3 FeCl3 + (NH4)2SO4 + 4 H2O = NaFe3(SO4)2(OH)6 + 9 HCl + 2 NH3
K3PO4 + H3PO4 = KH2PO4 =>
K3PO4 + 2 H3PO4 = 3 KH2PO4
C3H9N + HClO4 = Cl2 + CO2 + H2O + N2 =>
2 C3H9N + 6 HClO4 = 3 Cl2 + 6 CO2 + 12 H2O + N2
S{0+} + FeOOH = SO4{2-} + FeS + H{+} =>
3 S{0+} + 2 FeOOH = SO4{2-} + 2 FeS + 2 H{+}
HCOOH + CuO = Cu(COOH)2 + H2O =>
2 HCOOH + CuO = Cu(COOH)2 + H2O
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