| Équations équilibrées la veille |
2 NaCl + 4 H3BO3 = Na2B4O7 + 2 HCl + 5 H2O
I2 + S2O3{-}2 = I{-} + S4O6{-}2 =>
I2 + 4 S2O3{-}2 = 2 I{-} + 2 S4O6{-}2
Bi + F = BiF =>
Bi + F = BiF
Se8 + HNO3 = H2SeO3 + NO2 + H2O =>
Se8 + 32 HNO3 = 8 H2SeO3 + 32 NO2 + 8 H2O
CoO2 = Co + O2 =>
CoO2 = Co + O2
MnCl2*4H2O + NaOH = MnO2 + NaCl + H2O + H2 =>
MnCl2*4H2O + 2 NaOH = MnO2 + 2 NaCl + 4 H2O + H2
NaHCO3 + HC2H3 = NaC2H3O2 + H2O + CO2 =>
3 NaHCO3 + 2 HC2H3 = 3 NaC2H3O2 + H2O + CO2
Cr2O7 + H2SO4 = Cr2(SO4)7 + H2O =>
Cr2O7 + 7 H2SO4 = Cr2(SO4)7 + 7 H2O
Pb(C2H3O2)4 + K2CrO4 = Pb(CrO4)2 + KC2H3O2 =>
Pb(C2H3O2)4 + 2 K2CrO4 = Pb(CrO4)2 + 4 KC2H3O2
(NH4)3PO4 + H3PO4 = (NH4)2HPO4 =>
2(NH4)3PO4 + H3PO4 = 3(NH4)2HPO4
ZnCO3 + H2CO3 = Zn(HCO3)2 =>
ZnCO3 + H2CO3 = Zn(HCO3)2
Br + FeI3 = BrI + Fe =>
3 Br + FeI3 = 3 BrI + Fe
Fe(NO3)3*9H2O + C6H8O7*H2O = Fe3O4 + H2O + N2 + CO2 =>
54 Fe(NO3)3*9H2O + 46 C6H8O7*H2O = 18 Fe3O4 + 716 H2O + 81 N2 + 276 CO2
K2C4H4O6 + H2O = K2O + H2C4H4O6 =>
K2C4H4O6 + H2O = K2O + H2C4H4O6
P(s) + I2(s) = PI3 =>
2 P(s) + 3 I2(s) = 2 PI3
Na2SO4 + Al2(SO4)3 + H2O = NaAl(SO4)2*12H2O =>
Na2SO4 + Al2(SO4)3 + 24 H2O = 2 NaAl(SO4)2*12H2O
Ba(NO3)2 + K2(CO3) = BaCO3 + KNO3 =>
Ba(NO3)2 + K2(CO3) = BaCO3 + 2 KNO3
F + SrCl2 = SrF2 + Cl2 =>
2 F + SrCl2 = SrF2 + Cl2
MnO2 + Hg + HCl = Mn + Hg2Cl2 + H2O =>
MnO2 + 4 Hg + 4 HCl = Mn + 2 Hg2Cl2 + 2 H2O
As2S3 + O2 + H2O = H3AsO4 + H2SO4 =>
As2S3 + 7 O2 + 6 H2O = 2 H3AsO4 + 3 H2SO4
CH3CHO + O = CH3COOH =>
CH3CHO + O = CH3COOH
Na2SeO3 + SnCl2 + HCl = SnCl4 + Se + NaCl + H2O =>
Na2SeO3 + 2 SnCl2 + 6 HCl = 2 SnCl4 + Se + 2 NaCl + 3 H2O
SnS(s) + O2(g) = SnO2(s) + SO2(g) =>
SnS(s) + 2 O2(g) = SnO2(s) + SO2(g)
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
KOH + Na = NaOH + K =>
KOH + Na = NaOH + K
H2(O2) = H2O + O2 =>
2 H2(O2) = 2 H2O + O2
Nb2O5 + KOH = KNbO3 + H2O =>
Nb2O5 + 2 KOH = 2 KNbO3 + H2O
HCHO + NaOH + H2O2 = HCOONa + H2O =>
HCHO + NaOH + H2O2 = HCOONa + 2 H2O
Cr2(SO4)3 + K2(CO3) = Cr2(CO3)3 + K2SO4 =>
Cr2(SO4)3 + 3 K2(CO3) = Cr2(CO3)3 + 3 K2SO4
LiCl + Pb(NO2)4 = LiNO2 + PbCl4 =>
4 LiCl + Pb(NO2)4 = 4 LiNO2 + PbCl4
Na(l) + KNO3(s) = K2O(s) + Na2O(s) + N2(g) =>
10 Na(l) + 2 KNO3(s) = K2O(s) + 5 Na2O(s) + N2(g)
H2O2 + Br = HBrO3 + H2O =>
5 H2O2 + 2 Br = 2 HBrO3 + 4 H2O
Na2CrO4 + NaI + H2SO4 = Cr2(SO4)3 + I2 + Na2SO4 + H2O =>
2 Na2CrO4 + 6 NaI + 8 H2SO4 = Cr2(SO4)3 + 3 I2 + 5 Na2SO4 + 8 H2O
BaN = Ba + N =>
BaN = Ba + N
C6H5OH + Br2 = C6H5OBr + HBr =>
C6H5OH + Br2 = C6H5OBr + HBr
MgS + O = MgSO4 =>
MgS + 4 O = MgSO4
H2C2O4 + C2H5OH = (C2H5)2C2O4 + H2O =>
H2C2O4 + 2 C2H5OH = (C2H5)2C2O4 + 2 H2O
CaO(s) = Ca + O =>
CaO(s) = Ca + O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CO(g) = C(s) + CO2(g) =>
2 CO(g) = C(s) + CO2(g)
CH3CH2OH + KMnO4 + HCl = CH3COOH + MnCl2 + KCl + H2O =>
5 CH3CH2OH + 4 KMnO4 + 12 HCl = 5 CH3COOH + 4 MnCl2 + 4 KCl + 11 H2O
ZnCl2(aq) + K2CO3(aq) = ZnCO3(s) + KCl(aq) =>
ZnCl2(aq) + K2CO3(aq) = ZnCO3(s) + 2 KCl(aq)
H2N + O2 = NO + H2O =>
H2N + O2 = NO + H2O
Fe(s) + Pd{2+}(aq) = Fe{3+}(aq) + Pd(s) =>
2 Fe(s) + 3 Pd{2+}(aq) = 2 Fe{3+}(aq) + 3 Pd(s)
(NH4)2CO3 + Zn(ClO3)2 = NH4ClO3 + ZnCO3 =>
(NH4)2CO3 + Zn(ClO3)2 = 2 NH4ClO3 + ZnCO3
Al2O3 + Cu(OH)2 = Al(OH)3 + CuO =>
Al2O3 + 3 Cu(OH)2 = 2 Al(OH)3 + 3 CuO
Na2SiO + HCl = NaCl + H2SiO =>
Na2SiO + 2 HCl = 2 NaCl + H2SiO
Ni + HMnO4 = NiMnO4 + H2 =>
2 Ni + 2 HMnO4 = 2 NiMnO4 + H2
MgOHCl + NaOH = Mg(OH)2 + NaCl =>
MgOHCl + NaOH = Mg(OH)2 + NaCl
HNO3 + H3S = NO2 + H2O + S =>
3 HNO3 + H3S = 3 NO2 + 3 H2O + S
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