| Équations équilibrées la veille |
2 K2CrO4 + 6 KI + 8 H2O = 2 K3[Cr(OH)6] + 3 I2 + 4 KOH
C6H12O6 + F2 = C6H6F6 + H2O + O2 =>
2 C6H12O6 + 6 F2 = 2 C6H6F6 + 6 H2O + 3 O2
WO2(s) + H2(g) = W(s) + H2O(i) =>
WO2(s) + 2 H2(g) = W(s) + 2 H2O(i)
M + H2 = MH =>
2 M + H2 = 2 MH
Ba(OH)2 + H3PO4 = Ba2(PO4)3 + H3 + (OH)2 =>
2 Ba(OH)2 + 3 H3PO4 = Ba2(PO4)3 + 3 H3 + 2(OH)2
SrO2 + FeO + Re = Sr3FeReO7 =>
3 SrO2 + FeO + Re = Sr3FeReO7
FeSO4 + K2CO3 = FeCO3 + K2SO4 =>
FeSO4 + K2CO3 = FeCO3 + K2SO4
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
NiCl2 + K4Fe(CN)6 = Ni4(Fe(CN)6)2 + KCl =>
4 NiCl2 + 2 K4Fe(CN)6 = Ni4(Fe(CN)6)2 + 8 KCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
SnCl4 + H2O = SnO2 + H2Cl2 =>
SnCl4 + 2 H2O = SnO2 + 2 H2Cl2
Li2O + N2O5 = Li3NO4 =>
3 Li2O + N2O5 = 2 Li3NO4
Li2O + N2O5 = LiNO3 =>
Li2O + N2O5 = 2 LiNO3
K2O + O2 = K2O2 =>
2 K2O + O2 = 2 K2O2
Ag(NO3) + NaOH2 = Ag(OH2) + Na(NO3) =>
Ag(NO3) + NaOH2 = Ag(OH2) + Na(NO3)
K2CrO4 + FeCl3 = Fe(CrO4)3 + K + Cl =>
3 K2CrO4 + FeCl3 = Fe(CrO4)3 + 6 K + 3 Cl
K2S + O2 = K2SO3 =>
2 K2S + 3 O2 = 2 K2SO3
MgSO4 + Sr = MgSr + (SO4)2 =>
2 MgSO4 + 2 Sr = 2 MgSr + (SO4)2
Li2O + N2O5 = Li3NO4 =>
3 Li2O + N2O5 = 2 Li3NO4
BaCl2 + NaC18H35O2 = Ba(C18H35O2)2 + NaCl =>
BaCl2 + 2 NaC18H35O2 = Ba(C18H35O2)2 + 2 NaCl
Ca(H2PO4)2 + H2O = CaO + H3PO4 =>
Ca(H2PO4)2 + H2O = CaO + 2 H3PO4
CaMg(CO3)2 + H2SO4 + H2O = CaSO4*2H2O + MgSO4*7H2O + CO2 =>
CaMg(CO3)2 + 2 H2SO4 + 7 H2O = CaSO4*2H2O + MgSO4*7H2O + 2 CO2
CuSO4 + K4Fe(CN)6 = Cu4[Fe(CN)6]2 + K2(SO4) =>
4 CuSO4 + 2 K4Fe(CN)6 = Cu4[Fe(CN)6]2 + 4 K2(SO4)
(CH3)2CH2OH + Cr2O7{-2} + H{+} = CH3CHO + Cr{3+} + H2O =>
6(CH3)2CH2OH + 4 Cr2O7{-2} + 32 H{+} = 9 CH3CHO + 8 Cr{3+} + 25 H2O
AgNO3 + P = P(NO3)2 + Ag =>
2 AgNO3 + P = P(NO3)2 + 2 Ag
K3PO4Ba(C2H3O2)2 = BaPO4K3(C2H3O2)2 =>
K3PO4Ba(C2H3O2)2 = BaPO4K3(C2H3O2)2
K2Cr2O7 + Na2S + H2SO4 = Cr2(SO4)3 + Na2SO3 + K2SO4 + H2O =>
K2Cr2O7 + Na2S + 4 H2SO4 = Cr2(SO4)3 + Na2SO3 + K2SO4 + 4 H2O
HCl + Cu + NaOH = CuCl + H2O + Na =>
HCl + Cu + NaOH = CuCl + H2O + Na
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Li2O + N2O5 = Li3NO4 =>
3 Li2O + N2O5 = 2 Li3NO4
H3BO3 + CH3CH2OH = (CH3CH2)H2BO3 + H2O =>
H3BO3 + CH3CH2OH = (CH3CH2)H2BO3 + H2O
KAl(SO4)2(aq) + BaCl2(aq) = BaSO4(s) + KAlCl4(aq) =>
KAl(SO4)2(aq) + 2 BaCl2(aq) = 2 BaSO4(s) + KAlCl4(aq)
Al(NO3)3 + CuCl2 = Al(Cl)3 + Cu(NO3)2 =>
2 Al(NO3)3 + 3 CuCl2 = 2 Al(Cl)3 + 3 Cu(NO3)2
KAlSi3O8 + H2O + CO2 = K2CO3 + SiO2 + H4Al2Si2O9 =>
2 KAlSi3O8 + 2 H2O + CO2 = K2CO3 + 4 SiO2 + H4Al2Si2O9
C2H5NO2 + O2 = H2O + C02 + NO2 =>
4 C2H5NO2 + 5 O2 = 10 H2O + 4 C02 + 4 NO2
H2SO4 + KBr = Br2 + K2SO4 + H2O + H2S =>
5 H2SO4 + 8 KBr = 4 Br2 + 4 K2SO4 + 4 H2O + H2S
CuSO4 + K4Fe(CN)6 = Cu4[Fe(CN)6]2 + K2(SO4) =>
4 CuSO4 + 2 K4Fe(CN)6 = Cu4[Fe(CN)6]2 + 4 K2(SO4)
K2S + NaOH = KOH + Na2S =>
K2S + 2 NaOH = 2 KOH + Na2S
CuCl2(aq) + Na2CO3(aq) = CuCO3 + NaCl =>
CuCl2(aq) + Na2CO3(aq) = CuCO3 + 2 NaCl
MgZn + HCl = MgCl + ZnH =>
MgZn + HCl = MgCl + ZnH
KBr + H2SO4 + MnO4 = KHSO4 + MnSO4 + H2O + Br =>
6 KBr + 7 H2SO4 + MnO4 = 6 KHSO4 + MnSO4 + 4 H2O + 6 Br
Li2O + N2O5 = Li3NO4 =>
3 Li2O + N2O5 = 2 Li3NO4
C23H38N7O17P3S + C3H4O3 + H2O = C5H8O5 + C21H36N7O16P3S =>
C23H38N7O17P3S + C3H4O3 + H2O = C5H8O5 + C21H36N7O16P3S
Li2O + N2O5 = Li3NO4 =>
3 Li2O + N2O5 = 2 Li3NO4
OH{-} + H2C2O4 = CO2 + H2O + e =>
2 OH{-} + H2C2O4 = 2 CO2 + 2 H2O + 2e
RC(O)SH + (CH3O)2SO2 = RC(O)S(CH3) + HOSO3CH3 =>
RC(O)SH + (CH3O)2SO2 = RC(O)S(CH3) + HOSO3CH3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KC8H5O4 + NaOH = NaC8H4O4 + H2O + K =>
KC8H5O4 + NaOH = NaC8H4O4 + H2O + K
Ba(NO2)2 + NH3 + H2O = NH4NO3 + Ba(OH)3 =>
8 Ba(NO2)2 + 6 NH3 + 25 H2O = 11 NH4NO3 + 8 Ba(OH)3
[Cu(NH3)4]SO4 + HNO3 = Cu(NO3)2 + NH4NO3 + H2SO4 =>
[Cu(NH3)4]SO4 + 6 HNO3 = Cu(NO3)2 + 4 NH4NO3 + H2SO4
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