| Équations équilibrées la veille |
2 CuCl + Na2B4O7*10H2O = Cu2O + 2 NaCl + 4 H3BO3 + 4 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Pb + CrCl2 = PbCl2 + Cr =>
Pb + CrCl2 = PbCl2 + Cr
CoS2 = Co + S =>
CoS2 = Co + 2 S
Mg + HNO2 = MgH + NO2 =>
Mg + HNO2 = MgH + NO2
NaOH + Cu(NO3)2 = Cu(OH)2 + NaNO3 =>
2 NaOH + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
SO2 + CaCO3 + O + H2O = CaSO4*2H2O + CO2 =>
SO2 + CaCO3 + O + 2 H2O = CaSO4*2H2O + CO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
(NH4)2PdCl4 + NH4OH = Pd(NH3)4Cl2 + HCl + H2 + O2 =>
(NH4)2PdCl4 + 2 NH4OH = Pd(NH3)4Cl2 + 2 HCl + 2 H2 + O2
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
SiO2 + K2O = K2SiO3 =>
SiO2 + K2O = K2SiO3
Mg + Al2O3 = Mg2O3 + Al =>
2 Mg + Al2O3 = Mg2O3 + 2 Al
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
H3C5OH + O2 = CO2 + H2O =>
2 H3C5OH + 11 O2 = 10 CO2 + 4 H2O
Mg(OH)2 + Sr(NO3)2 = Sr(OH)2 + Mg(NO3)2 =>
Mg(OH)2 + Sr(NO3)2 = Sr(OH)2 + Mg(NO3)2
Na2CO3(aq) + Na3PO4(aq) = Na2PO4(aq) + Na3CO3(aq) =>
Na2CO3(aq) + Na3PO4(aq) = Na2PO4(aq) + Na3CO3(aq)
Cl2 + H2S = S + HCl =>
Cl2 + H2S = S + 2 HCl
P4 + NaOH + H2O = PH3 + NaHPO3 =>
7 P4 + 12 NaOH + 24 H2O = 16 PH3 + 12 NaHPO3
BrCl2 + K2SO4 = BrSO4 + K2Cl2 =>
BrCl2 + K2SO4 = BrSO4 + K2Cl2
Mg(s) + O2(g) = MgO2(s) =>
Mg(s) + O2(g) = MgO2(s)
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
CH3CH2CH2NH2 + HNO2 = CH3CH2CH2OH + H2O + N2 =>
CH3CH2CH2NH2 + HNO2 = CH3CH2CH2OH + H2O + N2
Au(OH)2 + CO2 = AuCO3 + H2O =>
Au(OH)2 + CO2 = AuCO3 + H2O
KMnO4 + KI + H2SO4 = MnSO4 + KSO4 + H2O + I2 =>
KMnO4 + 2 KI + 4 H2SO4 = MnSO4 + 3 KSO4 + 4 H2O + I2
Mg(s) + O2(g) = MgO2(s) =>
Mg(s) + O2(g) = MgO2(s)
CrSO4 + H2SO4 = Cr2(SO4)3 + H2S + H2O =>
8 CrSO4 + 5 H2SO4 = 4 Cr2(SO4)3 + H2S + 4 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
NH4 + NaOH = Na + NH4OH =>
NH4 + NaOH = Na + NH4OH
CaP + HCl = CaPCl5 + H2 =>
2 CaP + 10 HCl = 2 CaPCl5 + 5 H2
NaI(l) + AgNO3 = AgI + NaNO3 =>
NaI(l) + AgNO3 = AgI + NaNO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
PH3 + I2 + H2O = H3PO4 + HI =>
PH3 + 4 I2 + 4 H2O = H3PO4 + 8 HI
ClO3{-} + H2O + I2 = IO3{-} + Cl{-} + H{+} =>
5 ClO3{-} + 3 H2O + 3 I2 = 6 IO3{-} + 5 Cl{-} + 6 H{+}
Na + Zn(C2H3O2)2 = Na(C2H3O2) + Zn =>
2 Na + Zn(C2H3O2)2 = 2 Na(C2H3O2) + Zn
HCl + Be(OH)2 = BeCl + H3O2 =>
HCl + Be(OH)2 = BeCl + H3O2
H2O + PBr3 = H3PO3 + HBr =>
3 H2O + PBr3 = H3PO3 + 3 HBr
K2Cr2O7 + H2SO4 + Na2SO3 = K2SO4 + Cr2(SO4)3 + NaSO4 + H2O =>
2 K2Cr2O7 + 11 H2SO4 + 3 Na2SO3 = 2 K2SO4 + 2 Cr2(SO4)3 + 6 NaSO4 + 11 H2O
SO3 + H2O = H2 + S2O7 =>
2 SO3 + H2O = H2 + S2O7
Ni(NO3)2 + (NH4)2CO3 = NiCO3 + NH4NO3 =>
Ni(NO3)2 + (NH4)2CO3 = NiCO3 + 2 NH4NO3
Na2O2 + S = Na2SO3 + Na2O =>
2 Na2O2 + S = Na2SO3 + Na2O
C6H10 + KMnO4 + H2O = C6H10O4 + KOH + MnO2 =>
3 C6H10 + 8 KMnO4 + 4 H2O = 3 C6H10O4 + 8 KOH + 8 MnO2
C5H9O2 + H2SO4 = C5H11O4 + SO2 =>
C5H9O2 + H2SO4 = C5H11O4 + SO2
H2S + Na2Cr2O7 + H2O = Cr(OH)3 + S + NaOH =>
3 H2S + Na2Cr2O7 + H2O = 2 Cr(OH)3 + 3 S + 2 NaOH
Cr(OH)3 + Cl2O7 = CrO4 + ClO2 + OH =>
3 Cr(OH)3 + 4 Cl2O7 = 3 CrO4 + 8 ClO2 + 9 OH
NaBiO3 + H2SO4 + MnSO4 = Bi2(SO4)3 + H2O + MnO2 + Na2SO4 =>
2 NaBiO3 + 2 H2SO4 + 2 MnSO4 = Bi2(SO4)3 + 2 H2O + 2 MnO2 + Na2SO4
SbCl3 + Na2S2 = NaCl + Sb2S3 + S =>
2 SbCl3 + 3 Na2S2 = 6 NaCl + Sb2S3 + 3 S
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