| Équations équilibrées la veille |
Cu(NO3)2(aq) + Na2S(aq) = CuS(s) + 2 NaNO3(aq)
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
Tc + O2 = Tc2O7 =>
4 Tc + 7 O2 = 2 Tc2O7
AlNO33 = Al2O3 + NO2 + O2 =>
4 AlNO33 = 2 Al2O3 + 4 NO2 + 59 O2
Cu(SO4) = Cu2 + (SO4) =>
2 Cu(SO4) = Cu2 + 2(SO4)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Hg + H2SO4 = HgSO4 + H2 =>
Hg + H2SO4 = HgSO4 + H2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
HNO3 + Cu = Cu(NO3)3 + NO2 + H2O =>
6 HNO3 + Cu = Cu(NO3)3 + 3 NO2 + 3 H2O
Mg + FeP = Mg3P2 + Fe =>
3 Mg + 2 FeP = Mg3P2 + 2 Fe
PbO2 + NH4Cl + HCl = (NH4)2PbCl6 + H2O =>
PbO2 + 2 NH4Cl + 4 HCl = (NH4)2PbCl6 + 2 H2O
C2H4 + KMnO4 + H2SO4 = H2C2O4 + K2SO4 + MnSO4 + H2O =>
C2H4 + 2 KMnO4 + 3 H2SO4 = H2C2O4 + K2SO4 + 2 MnSO4 + 4 H2O
S4N4 + Ag = Ag2S + N6S4 =>
3 S4N4 + 8 Ag = 4 Ag2S + 2 N6S4
AgNO3(aq) + Mg2(aq) = Ag1 + Mg(NO3)2 =>
4 AgNO3(aq) + Mg2(aq) = 4 Ag1 + 2 Mg(NO3)2
FeBr3 + O2 = Br2 + FeO =>
2 FeBr3 + O2 = 3 Br2 + 2 FeO
Os + O = OsO =>
Os + O = OsO
MgSiO3 + HCl + H2O = H4SiO4 + MgCl2 =>
MgSiO3 + 2 HCl + H2O = H4SiO4 + MgCl2
Fe2O3(s) + C = Fe + CO2 =>
2 Fe2O3(s) + 3 C = 4 Fe + 3 CO2
NO2 + Na + O2 = NaNO3 =>
2 NO2 + 2 Na + O2 = 2 NaNO3
Pd{2+} + Fe = Fe{3+} + Pd =>
3 Pd{2+} + 2 Fe = 2 Fe{3+} + 3 Pd
CH4H9Br + NaOH = NaBr + CH4H9(OH) =>
CH4H9Br + NaOH = NaBr + CH4H9(OH)
MnSO4 + Sr(NO3)2 = Mn(NO3)2 + SrSO4 =>
MnSO4 + Sr(NO3)2 = Mn(NO3)2 + SrSO4
NaBr + H2SO4 = Na2SO4 + H2S + Br2 + H2O =>
8 NaBr + 5 H2SO4 = 4 Na2SO4 + H2S + 4 Br2 + 4 H2O
Ga2(CrO4)3 + (NH4)2SO4 = (NH4)2CrO4 + Ga2(SO4)3 =>
Ga2(CrO4)3 + 3(NH4)2SO4 = 3(NH4)2CrO4 + Ga2(SO4)3
NiOHCl + HCl = NiCl2 + H2O =>
NiOHCl + HCl = NiCl2 + H2O
CH3OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
3 CH3OH + 2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 HCOOH + 11 H2O
Fe(OH)2 + H2SO3 = [Fe(OH)]2SO3 + H2O =>
2 Fe(OH)2 + H2SO3 = [Fe(OH)]2SO3 + 2 H2O
SO2 + O2 = SO2O =>
2 SO2 + O2 = 2 SO2O
C12H22O11 + NaOH = Na + H2O + CO2 =>
C12H22O11 + 48 NaOH = 48 Na + 35 H2O + 12 CO2
Zn(s) + CuSo4(aq) = ZnSo4(aq) + Cu(s) =>
Zn(s) + CuSo4(aq) = ZnSo4(aq) + Cu(s)
CuBr2 + HI = CuI + I2 + HBr =>
2 CuBr2 + 4 HI = 2 CuI + I2 + 4 HBr
NaCl + H2SO4 = Na2O4S + HCl =>
2 NaCl + H2SO4 = Na2O4S + 2 HCl
C + O2 = CO2 =>
C + O2 = CO2
H4SiO4 + Cu(OH) = Cu3(HSiO4) + H2O =>
H4SiO4 + 3 Cu(OH) = Cu3(HSiO4) + 3 H2O
HBr(aq) + Ca(HO)2(aq) = CaBr2(aq) + H2O(l) =>
2 HBr(aq) + Ca(HO)2(aq) = CaBr2(aq) + 2 H2O(l)
HBr + B = BBr3 + H2 =>
6 HBr + 2 B = 2 BBr3 + 3 H2
Li2O + Fe = Fe2O3 + Li =>
3 Li2O + 2 Fe = Fe2O3 + 6 Li
CH3CONH2 + HCl = CH3CONH2Cl + H2 =>
2 CH3CONH2 + 2 HCl = 2 CH3CONH2Cl + H2
V2O5 + CH3CH2OH + H2SO4 = CH3CO2H + VOSO4 + H2O =>
2 V2O5 + CH3CH2OH + 4 H2SO4 = CH3CO2H + 4 VOSO4 + 5 H2O
MnO4{-} + S2O3{2-} + H{+} = H2O + SO4{2-} + Mn{2+} =>
8 MnO4{-} + 5 S2O3{2-} + 14 H{+} = 7 H2O + 10 SO4{2-} + 8 Mn{2+}
CH3CH2OH + MnO4{-} + H{+} = CH3CHO + Mn{2+} + H2O =>
5 CH3CH2OH + 2 MnO4{-} + 6 H{+} = 5 CH3CHO + 2 Mn{2+} + 8 H2O
Ca3(PO4)2 + H2SO4(aq) = CaSO4 + H3PO4(aq) =>
Ca3(PO4)2 + 3 H2SO4(aq) = 3 CaSO4 + 2 H3PO4(aq)
C + O2 = CO =>
2 C + O2 = 2 CO
Pb4 + S2 = Pb2S4 =>
Pb4 + 4 S2 = 2 Pb2S4
Na + HNO3 = NH4NO3 + H2O + NaNO3 =>
8 Na + 10 HNO3 = NH4NO3 + 3 H2O + 8 NaNO3
RbOH + C2O4H2 = C2O4Rb2 + H2O =>
2 RbOH + C2O4H2 = C2O4Rb2 + 2 H2O
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + N2O + H2O =>
4 Cu2S + 26 HNO3 = 8 Cu(NO3)2 + 4 H2SO4 + 5 N2O + 9 H2O
NaHC4H4O6 + NH4Cl = NaCl + NH4HC4H4O6 =>
NaHC4H4O6 + NH4Cl = NaCl + NH4HC4H4O6
Rb + O = RbO =>
Rb + O = RbO
Mg(s) + Sn(NO3)2 = Mg(NO3) + Sn(s)2 =>
4 Mg(s) + 2 Sn(NO3)2 = 4 Mg(NO3) + Sn(s)2
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