| Équations équilibrées la veille |
Ce + 4 HNO3 = Ce(NO3)3 + NO + 2 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Ce + HNO3 = H2 + Ce(NO3)3 =>
2 Ce + 6 HNO3 = 3 H2 + 2 Ce(NO3)3
Cl2 + MnI3 = ClI + Mn =>
3 Cl2 + 2 MnI3 = 6 ClI + 2 Mn
Cl2 + MnI3 = MnCl3 + I2 =>
3 Cl2 + 2 MnI3 = 2 MnCl3 + 3 I2
Co + NiSO4 = CoSO4 + Ni =>
Co + NiSO4 = CoSO4 + Ni
C2H5OH + O2 = CO5 + H2O =>
C2H5OH + 6 O2 = 2 CO5 + 3 H2O
Al + I = AlI3 =>
Al + 3 I = AlI3
CoCl2*6H2O + NH4Cl + NH4OH + O2 = (Co(NH3)6)Cl3 + H2O =>
4 CoCl2*6H2O + 4 NH4Cl + 20 NH4OH + O2 = 4(Co(NH3)6)Cl3 + 46 H2O
CoCl2*6H2O + O2 + NH4OH + NH4Cl = Co(NH3)6Cl3 + H2O =>
4 CoCl2*6H2O + O2 + 20 NH4OH + 4 NH4Cl = 4 Co(NH3)6Cl3 + 46 H2O
Co + NH3 = Co(NH3)6 =>
Co + 6 NH3 = Co(NH3)6
CaO + Al2O3 = CaAl2O4 =>
CaO + Al2O3 = CaAl2O4
CoCl2 + Na2HPO4 = Co3(PO4)2 + NaH2PO4 + NaCl =>
3 CoCl2 + 4 Na2HPO4 = Co3(PO4)2 + 2 NaH2PO4 + 6 NaCl
Cl{-} + AgNO3 = AgCl{-} + NO3 =>
Cl{-} + AgNO3 = AgCl{-} + NO3
K + Co + ZnI2 = KI + Zn(Co3)2 =>
2 K + 6 Co + ZnI2 = 2 KI + Zn(Co3)2
Cd(OH)2 + HCl = Cl2Cd + H2O =>
Cd(OH)2 + 2 HCl = Cl2Cd + 2 H2O
CoCl2 + Na2HPO4 = CoHPO4 + NaCl =>
CoCl2 + Na2HPO4 = CoHPO4 + 2 NaCl
CoCl3 = Co + Cl2 =>
2 CoCl3 = 2 Co + 3 Cl2
Mg3P2 + O2 = MgO + P2O3 =>
Mg3P2 + 3 O2 = 3 MgO + P2O3
BeO + SiO2 = Be2SiO4 =>
2 BeO + SiO2 = Be2SiO4
Bi(OH)3 + Sn(OH) = Sn(OH)6 + Bi =>
5 Bi(OH)3 + 3 Sn(OH) = 3 Sn(OH)6 + 5 Bi
CoCl3 = CoCl2 + Cl2 =>
2 CoCl3 = 2 CoCl2 + Cl2
C3H7Cl + H2 = C3H8 + HCl =>
C3H7Cl + H2 = C3H8 + HCl
Cr(NO3)3 + NH3 + H2O = Cr(OH)3 + NH4NO3 =>
Cr(NO3)3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4NO3
NaF + Cl2 = NaCl + F2 =>
2 NaF + Cl2 = 2 NaCl + F2
K2Cr2O7 + H2SO4 + HCl = Cl2 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 6 HCl = 3 Cl2 + K2SO4 + Cr2(SO4)3 + 7 H2O
Cr(s) + Fe(No3)2(aq) = Fe(s) + Cr(No3)3(aq) =>
2 Cr(s) + 3 Fe(No3)2(aq) = 3 Fe(s) + 2 Cr(No3)3(aq)
Pb(C2H3O2)2(aq) + Na2SO4(aq) = PbSO4(s) + Na2(C2H3O2)2(aq) =>
Pb(C2H3O2)2(aq) + Na2SO4(aq) = PbSO4(s) + Na2(C2H3O2)2(aq)
CaCO3 + Cl2 = Cl2O + CaCl2 + CO =>
CaCO3 + 3 Cl2 = 2 Cl2O + CaCl2 + CO
CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH3CO + H2O =>
5 CH3CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH3CO + 9 H2O
Cr + S = Cr2S3 =>
2 Cr + 3 S = Cr2S3
Pb(NO3)2 + Na2S = PbS + Na2(NO3)2 =>
Pb(NO3)2 + Na2S = PbS + Na2(NO3)2
Cr2(SO4)3 + H2O = Cr2O3 + H2SO4 =>
Cr2(SO4)3 + 3 H2O = Cr2O3 + 3 H2SO4
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+} + CO2 + H2O =>
2 Cr2O7{-}2 + 11 H2C2O4 + 6 H{+} = 4 Cr{+} + 22 CO2 + 14 H2O
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+}3 + CO2 + H2O =>
2 Cr2O7{-}2 + 11 H2C2O4 + 6 H{+} = 4 Cr{+}3 + 22 CO2 + 14 H2O
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+3} + CO2 + H2O =>
2 Cr2O7{-}2 + 7 H2C2O4 + 14 H{+} = 4 Cr{+3} + 14 CO2 + 14 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
ZnSO4 + MgCl2 + Na3PO4 = Na2SO4 + Mg3(PO4)2 + ZnCl2 =>
3 ZnSO4 + 3 MgCl2 + 2 Na3PO4 = 3 Na2SO4 + Mg3(PO4)2 + 3 ZnCl2
Cr2O7{-}2 + H2C2O4 + H{+} = Cr3{+} + CO2 + H2O =>
6 Cr2O7{-}2 + 37 H2C2O4 + 10 H{+} = 4 Cr3{+} + 74 CO2 + 42 H2O
CrBr3 + I2 = CrI + Br =>
2 CrBr3 + I2 = 2 CrI + 6 Br
CrCl2 + HNO3 = Cr(NO3)3 + NO2 + HCl + H2O =>
CrCl2 + 4 HNO3 = Cr(NO3)3 + NO2 + 2 HCl + H2O
Cu2O + C3H4 = C3H3Cu + H2O =>
Cu2O + 2 C3H4 = 2 C3H3Cu + H2O
CrO2{-} + ClO{-} + OH{-} = CrO4{2-} + Cl{-} + H2O =>
2 CrO2{-} + 3 ClO{-} + 2 OH{-} = 2 CrO4{2-} + 3 Cl{-} + H2O
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
CrO3 + C = Cr + CO =>
CrO3 + 3 C = Cr + 3 CO
N4S4 = N4 + S4 =>
N4S4 = N4 + S4
C6H4(OH)2 + H2 = C6H8O2 =>
C6H4(OH)2 + H2 = C6H8O2
CrO3 + KI + H2O = I2 + Cr(OH)3 + KOH =>
2 CrO3 + 6 KI + 6 H2O = 3 I2 + 2 Cr(OH)3 + 6 KOH
CrO4{-2} + Fe(OH)2 + H2O = CrO2{-} + Fe(OH)3 + OH{-} =>
CrO4{-2} + 3 Fe(OH)2 + 2 H2O = CrO2{-} + 3 Fe(OH)3 + OH{-}
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