| Équations équilibrées la veille |
3 CH3CHCHCH3 + 4 K2Cr2O7 + 16 H2SO4 = 6 CH3COOH + 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O
NaI + H2SO4 = I2 + Na2SO4 + SO2 + H2O =>
2 NaI + 2 H2SO4 = I2 + Na2SO4 + SO2 + 2 H2O
NHO3 + HCl = NO + H2O + Cl =>
NHO3 + 3 HCl = NO + 2 H2O + 3 Cl
H2SeO4 + SO2 = Se + SO3 + H2O =>
H2SeO4 + 3 SO2 = Se + 3 SO3 + H2O
C6H6O + Na = C6H5ONa + H2 =>
2 C6H6O + 2 Na = 2 C6H5ONa + H2
HNO3 = H2O + NO + O2 =>
4 HNO3 = 2 H2O + 4 NO + 3 O2
KCIO3(S) = KCI(S) + O2(g) =>
2 KCIO3(S) = 2 KCI(S) + 3 O2(g)
Cu(C2H3O2)2(aq) + NH4OH(aq) = Cu(OH)2 + NH4C2H3O2 =>
Cu(C2H3O2)2(aq) + 2 NH4OH(aq) = Cu(OH)2 + 2 NH4C2H3O2
Ni + SCN = Ni(SCN)2 =>
Ni + 2 SCN = Ni(SCN)2
CaH2O2 + CO2 = CaCO3 + H2O =>
CaH2O2 + CO2 = CaCO3 + H2O
Pb(No3)2 + K2Cr2O7 = PbCr2O7 + K2(No3)2 =>
Pb(No3)2 + K2Cr2O7 = PbCr2O7 + K2(No3)2
NH4HCO3NH4HCO3 = CO2 + H2O + NH3 =>
NH4HCO3NH4HCO3 = 2 CO2 + 2 H2O + 2 NH3
Na + HNO3 = NaNO3 + H2O + NHNO3 =>
5 Na + 7 HNO3 = 5 NaNO3 + 3 H2O + NHNO3
K2Cr2O7 + Al + H2SO4 = K2SO4 + Cr2(SO4)3 + Al2O3 + H2O =>
K2Cr2O7 + 2 Al + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + Al2O3 + 4 H2O
HCrO4{-} + H{+} + CH3CH2OH = CH3COOH + Cr{3+} + H2O =>
4 HCrO4{-} + 16 H{+} + 3 CH3CH2OH = 3 CH3COOH + 4 Cr{3+} + 13 H2O
CaC2O4 + Na3PO4 = Ca3(PO4)2 + Na2C2O4 =>
3 CaC2O4 + 2 Na3PO4 = Ca3(PO4)2 + 3 Na2C2O4
HOC6H4CO2H + C4H6O3 = C9H8O4 =>
11 HOC6H4CO2H + C4H6O3 = 9 C9H8O4
Co + K2Cr2O7 + H2SO4 = Co2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 Co + K2Cr2O7 + 7 H2SO4 = Co2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
BaO2 + NH3 = BaO + NO2 + H2O =>
7 BaO2 + 2 NH3 = 7 BaO + 2 NO2 + 3 H2O
MnO2(s) + C(s) = CO2(g) + MnC2(s) =>
MnO2(s) + 3 C(s) = CO2(g) + MnC2(s)
Sb2O3 + Na(OH) = Na3SbO3 + H2O =>
Sb2O3 + 6 Na(OH) = 2 Na3SbO3 + 3 H2O
HO{-} + CS2 = H2O + CS3{-2} + CO3{-2} =>
6 HO{-} + 3 CS2 = 3 H2O + 2 CS3{-2} + CO3{-2}
NH2CONH2 + Na2CO3 + C60 = NaCN + (NH4)2CO3 + CO2 =>
120 NH2CONH2 + 60 Na2CO3 + C60 = 120 NaCN + 60(NH4)2CO3 + 60 CO2
C6H8O7 + NaOH = Na3C6H5O7 + H2O =>
C6H8O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
Hg(NO3) + NaJ = HgJ + NaNO3 =>
Hg(NO3) + NaJ = HgJ + NaNO3
NaCl + Fe(OH)3 = Na(OH) + FeCl3 =>
3 NaCl + Fe(OH)3 = 3 Na(OH) + FeCl3
C2{2-} + H2O = OH{-} + C2H2 =>
C2{2-} + 2 H2O = 2 OH{-} + C2H2
CaCl2 + K4[Fe(CN)6] = Ca4[Fe(CN)6]2 + KCl =>
4 CaCl2 + 2 K4[Fe(CN)6] = Ca4[Fe(CN)6]2 + 8 KCl
H2 + HO = H2O =>
H2 + 2 HO = 2 H2O
H3PO4 + NaHO = H2O + Na3PO4 =>
H3PO4 + 3 NaHO = 3 H2O + Na3PO4
MnO2 + HF = MnHF + O2 =>
MnO2 + HF = MnHF + O2
C2H8N2(l) + N2O4(g) = CO2(g) + H2O(g) + N2(g) =>
C2H8N2(l) + 2 N2O4(g) = 2 CO2(g) + 4 H2O(g) + 3 N2(g)
Fe + H2CO3 = Fe2(CO3)4 + H2 =>
2 Fe + 4 H2CO3 = Fe2(CO3)4 + 4 H2
(NH4)2SO4 + SrCl2 = SrSO4 + ClNH4 =>
(NH4)2SO4 + SrCl2 = SrSO4 + 2 ClNH4
C2H5O2N + H2O = CH4 + CO2 + NH4 =>
8 C2H5O2N + 6 H2O = 5 CH4 + 11 CO2 + 8 NH4
Se2O3 + SO3 = Se2(SO4)2 + O2 =>
2 Se2O3 + 4 SO3 = 2 Se2(SO4)2 + O2
FeO3H3 + C = CO2 + Fe + H2O =>
4 FeO3H3 + 3 C = 3 CO2 + 4 Fe + 6 H2O
Fe(OH)3 + Na2CO3 = Fe2(CO3)3 + NaOH =>
2 Fe(OH)3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaOH
AlHBr = Al(HBr) =>
AlHBr = Al(HBr)
H + Mg(CH3COO)2 = Mg + CH3COOH =>
2 H + Mg(CH3COO)2 = Mg + 2 CH3COOH
RaO2 = Ra + O2 =>
RaO2 = Ra + O2
ZnSO4(aq) + FeCl2(aq) = ZnCl2(s) + FeSO4(aq) =>
ZnSO4(aq) + FeCl2(aq) = ZnCl2(s) + FeSO4(aq)
Ca10(PO4)6(OH)2(S) + NaF(aq) = Ca10(PO4)6F2(S) + NaOH(aq) =>
Ca10(PO4)6(OH)2(S) + 2 NaF(aq) = Ca10(PO4)6F2(S) + 2 NaOH(aq)
AlO + H2 = Al + H2O =>
AlO + H2 = Al + H2O
FeO + H2SO4 = FeSO4 + H2O =>
FeO + H2SO4 = FeSO4 + H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
CNCl + H2O = CNO{-} + Cl{-} + H{+} =>
CNCl + H2O = CNO{-} + Cl{-} + 2 H{+}
HNO3 + Mg(OH)2(s) = Mg(NO3)2(aq) + H2O(l) =>
2 HNO3 + Mg(OH)2(s) = Mg(NO3)2(aq) + 2 H2O(l)
CrO7{2-} + H2C2O2 + H{+} = Cr{3+} + CO2 + H2O =>
2 CrO7{2-} + 3 H2C2O2 + 10 H{+} = 2 Cr{3+} + 6 CO2 + 8 H2O
FeCl3*6H2O + C5H8O2 = Fe(CH3COCHCOCH3)3 + HCl + H2O =>
FeCl3*6H2O + 3 C5H8O2 = Fe(CH3COCHCOCH3)3 + 3 HCl + 6 H2O
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