| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mr + SO3 = MrSO3
Zn(NO3)2 + NiCl2 = Zn(Cl2) + Ni(NO3)2 =>
Zn(NO3)2 + NiCl2 = Zn(Cl2) + Ni(NO3)2
NH4(OH) + Al2(SO4)3 = (NH4)2(SO4) + Al(OH)3 =>
6 NH4(OH) + Al2(SO4)3 = 3(NH4)2(SO4) + 2 Al(OH)3
CH3CH(OH)2 + Cu(OH)2 = CH2OCH2OCu + H2O =>
CH3CH(OH)2 + Cu(OH)2 = CH2OCH2OCu + 2 H2O
Cu + NH4SCN + O2 = CuSCN + NH3 + H2O =>
4 Cu + 4 NH4SCN + O2 = 4 CuSCN + 4 NH3 + 2 H2O
K2(CrO4) + Ba(NO3)2 = Ba(CrO4) + KNO3 =>
K2(CrO4) + Ba(NO3)2 = Ba(CrO4) + 2 KNO3
C7H6O3(S) + C4H6O3(l) = C9H8O4(S) + CH3CO2H(aq) =>
C7H6O3(S) + C4H6O3(l) = C9H8O4(S) + CH3CO2H(aq)
Mn7 = Mn2 =>
2 Mn7 = 7 Mn2
Fe3P2 = Fe + P4 =>
2 Fe3P2 = 6 Fe + P4
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
SO2 + NO2 + H2O = HNO2 + H2SO4 =>
SO2 + 2 NO2 + 2 H2O = 2 HNO2 + H2SO4
(NH4)2(Cr2O7) = Cr2O3 + N + H2O =>
(NH4)2(Cr2O7) = Cr2O3 + 2 N + 4 H2O
Cu(IO4)2 = Cu + IO4 =>
Cu(IO4)2 = Cu + 2 IO4
SiC + HF = SiF4 + H2 + C =>
SiC + 4 HF = SiF4 + 2 H2 + C
Mo + W + V + Re + B = Mo11W11V11Re34B32 =>
11 Mo + 11 W + 11 V + 34 Re + 32 B = Mo11W11V11Re34B32
FeS + H2SO4 = Fe2(SO)3 + H2O =>
2 FeS + H2SO4 = Fe2(SO)3 + H2O
C3H8(propano) + O2 = CO2 + H2O =>
C3H8(propano) + 5 O2 = 3 CO2 + 4 H2O
Pb(C2H3O2)2(aq) + K2SO4(aq) = PbSO4(s) + K2(C2H3O2)2(aq) =>
Pb(C2H3O2)2(aq) + K2SO4(aq) = PbSO4(s) + K2(C2H3O2)2(aq)
H2MnO4 = MnO2 + HMnO4 + H2O =>
3 H2MnO4 = MnO2 + 2 HMnO4 + 2 H2O
Zn + H2(SO4) = ZnSO4 + H2 =>
Zn + H2(SO4) = ZnSO4 + H2
NaOH + NH4 = Na(NH3) + H2O =>
NaOH + NH4 = Na(NH3) + H2O
HI + FeCO3 = FeI2 + H2O + CO2 =>
2 HI + FeCO3 = FeI2 + H2O + CO2
P4(s) + Li(s) = LiP(s) =>
P4(s) + 4 Li(s) = 4 LiP(s)
KHO + Na2SO4 = K2SO4 + NaHO =>
2 KHO + Na2SO4 = K2SO4 + 2 NaHO
C2H5OH + Na2Cr2O7 + H2SeO4 = CH3COOH + Cr2(SeO4)3 + H2O + Na2SeO4 =>
3 C2H5OH + 2 Na2Cr2O7 + 8 H2SeO4 = 3 CH3COOH + 2 Cr2(SeO4)3 + 11 H2O + 2 Na2SeO4
Hg + PO4 = Hg(PO4)3 =>
Hg + 3 PO4 = Hg(PO4)3
KMnO4 + Na(OH) + KI = KNaMnO4 + KIO3 + H2O =>
6 KMnO4 + 6 Na(OH) + KI = 6 KNaMnO4 + KIO3 + 3 H2O
Ca{2+} + C2O4{2-} = CaC2O4 =>
Ca{2+} + C2O4{2-} = CaC2O4
C7H8O + CH3COOH = C6H5CH2OCOCH3 + H2O =>
C7H8O + CH3COOH = C6H5CH2OCOCH3 + H2O
Fe + CH3COOH = FeCH3COO + H2 =>
2 Fe + 2 CH3COOH = 2 FeCH3COO + H2
K + (MgBr2) = KBr + Mg =>
2 K + (MgBr2) = 2 KBr + Mg
Hg + H2SO4 = HgSO4 + H2O + SO2 =>
Hg + 2 H2SO4 = HgSO4 + 2 H2O + SO2
Fe + SO3 = Fe(SO3)2 =>
Fe + 2 SO3 = Fe(SO3)2
AgNO3 + K3O4P = Ag3PO4 + KNO3 =>
3 AgNO3 + K3O4P = Ag3PO4 + 3 KNO3
(NH4)2Cr2O7 + KOH = NH4OH + K2CrO4 + H2O =>
(NH4)2Cr2O7 + 4 KOH = 2 NH4OH + 2 K2CrO4 + H2O
CrO3 + C2H5OH + H2SO4 = Cr2(SO4)3 + CO2 + H2O =>
4 CrO3 + C2H5OH + 6 H2SO4 = 2 Cr2(SO4)3 + 2 CO2 + 9 H2O
SO2 + NaIO3 + H2S = I2 + Na2SO4 + H2SO4 =>
SO2 + 2 NaIO3 + H2S = I2 + Na2SO4 + H2SO4
Tc + Ni(NO3)2 = Ni + Tc(NO3)7 =>
2 Tc + 7 Ni(NO3)2 = 7 Ni + 2 Tc(NO3)7
Fe(NO3)2 + Sr(OH)2 = Fe(OH)2 + Sr(NO3)2 =>
Fe(NO3)2 + Sr(OH)2 = Fe(OH)2 + Sr(NO3)2
PbCl2(s) + CaSO4(s) = PbSO4(s) + CaCl2(aq) =>
PbCl2(s) + CaSO4(s) = PbSO4(s) + CaCl2(aq)
KOH = K + OH =>
KOH = K + OH
N2H8CO3 + NaOH = Na2CO3 + NH3 + H2O =>
N2H8CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
K2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2SO4 + H2O =>
5 K2SO3 + K2Cr2O7 + 2 H2SO4 = 6 K2SO4 + Cr2SO4 + 2 H2O
KMnO4 + H2SO4 + KNO2 = MnO2 + KNO3 + K2SO4 + H2 =>
2 KMnO4 + H2SO4 + 4 KNO2 = 2 MnO2 + 4 KNO3 + K2SO4 + H2
Br{-} + NaOCl = NaBr + ClO{-} =>
Br{-} + NaOCl = NaBr + ClO{-}
*Na2CO3*3*H2O2 + H2O = Na2CO3*10H2O + H2O2 =>
*Na2CO3*3*H2O2 + 10 H2O = Na2CO3*10H2O + H2O2
K2Cr2O7 + HSO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 HSO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 4 H2O + 5 O2
Ca(OH)2 + SiO2 = Ca2(SiO3)2 + H2O =>
2 Ca(OH)2 + 2 SiO2 = Ca2(SiO3)2 + 2 H2O
H2(SO4)(aq) + K(OH)(aq) = K2(SO4)(aq) + H2O =>
H2(SO4)(aq) + 2 K(OH)(aq) = K2(SO4)(aq) + 2 H2O
Al(OH)3 + Pb = Pb(OH)2 + Al =>
2 Al(OH)3 + 3 Pb = 3 Pb(OH)2 + 2 Al
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