| Équations équilibrées la veille |
3 NaHSO3 + NaOH + 2 KMnO4 = 2 MnO2 + K2SO4 + 2 Na2SO4 + 2 H2O
Fe2S3(aq) + HCN(g) = C3FeN3 + H2S =>
Fe2S3(aq) + 6 HCN(g) = 2 C3FeN3 + 3 H2S
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
CNCH2CH2CH2CN + H2O + HBr = HOOCCH2CH2CH2COOH + NH4Br =>
CNCH2CH2CH2CN + 4 H2O + 2 HBr = HOOCCH2CH2CH2COOH + 2 NH4Br
(NH4)2MoO4 + Zn + HCl = Mo5O14 + ZnCl2 + NH4Cl + H2O =>
5(NH4)2MoO4 + Zn + 12 HCl = Mo5O14 + ZnCl2 + 10 NH4Cl + 6 H2O
PO2Cl + H2O = H3PO4 + HCl =>
PO2Cl + 2 H2O = H3PO4 + HCl
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
FeCl3 + KMnO4 = KCl + Fe(MnO4)3 =>
FeCl3 + 3 KMnO4 = 3 KCl + Fe(MnO4)3
Na2C2O4 + HCl = H2C2O4 + NaCl =>
Na2C2O4 + 2 HCl = H2C2O4 + 2 NaCl
Pb(NO3)2 + H + NH3 = Pb(OH)2 + NH4NO3 =>
3 Pb(NO3)2 + 16 H + 2 NH3 = 3 Pb(OH)2 + 4 NH4NO3
Ti2O5 + H2O = Ti(OH)5 =>
Ti2O5 + 5 H2O = 2 Ti(OH)5
Zn + S = ZnS =>
Zn + S = ZnS
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
NH4NO2 + Ba(OH)2 = NH4(OH) + Ba(NO2)2 =>
2 NH4NO2 + Ba(OH)2 = 2 NH4(OH) + Ba(NO2)2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
S + Na2Cr2O7 + 3 H2SO4 = Cr2(SO4)3 + Na2SO4 + 3 H2O
KHCO3(s) = K2CO3(s) + H2O(s) + CO2(g) =>
2 KHCO3(s) = K2CO3(s) + H2O(s) + CO2(g)
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
TiCl4 + O = TiO + Cl =>
TiCl4 + O = TiO + 4 Cl
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
AgNO3 + HNO3 = HAg + NO3 =>
AgNO3 + HNO3 = HAg + 2 NO3
K2SO3 + Br2 + H2O = K2SO4 + HBr =>
K2SO3 + Br2 + H2O = K2SO4 + 2 HBr
ICl3 + KMnO4 + H2SO4 = HIO3 + HClO3 + KHSO4 + Mn(HSO4)2 + H2O =>
ICl3 + 4 KMnO4 + 12 H2SO4 = HIO3 + 3 HClO3 + 4 KHSO4 + 4 Mn(HSO4)2 + 4 H2O
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
H + H2SeO3 = Se + H2O =>
4 H + H2SeO3 = Se + 3 H2O
Cd + NaOH + H2O = Na2[Cd(OH)4] + H2 =>
Cd + 2 NaOH + 2 H2O = Na2[Cd(OH)4] + H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
(VO2)2SO4 + VSO4 = VOSO4 + VO2 =>
(VO2)2SO4 + VSO4 = 2 VOSO4 + VO2
HF + K2CO3 = KF + H2O + CO2 =>
2 HF + K2CO3 = 2 KF + H2O + CO2
CH3COOH(aq) + NaCO3(s) = CO2(g) + H2O(l) + NaCH3COO(aq) =>
9 CH3COOH(aq) + 8 NaCO3(s) = 10 CO2(g) + 6 H2O(l) + 8 NaCH3COO(aq)
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4NO3
CH4 + KMnO4 = H2CO + KOH + H2O + MnO2 =>
3 CH4 + 4 KMnO4 = 3 H2CO + 4 KOH + H2O + 4 MnO2
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
KI + KMnO4 + HCl = KIO3 + MnCl2 + KCl + H2O =>
5 KI + 6 KMnO4 + 18 HCl = 5 KIO3 + 6 MnCl2 + 6 KCl + 9 H2O
C6H6O + NaOH = C6H5NaO + H2O =>
C6H6O + NaOH = C6H5NaO + H2O
CrI2 + NaOH + Br2 = Na2CrO4 + NaIO3 + NaBr + H2O =>
CrI2 + 20 NaOH + 8 Br2 = Na2CrO4 + 2 NaIO3 + 16 NaBr + 10 H2O
Zn + NaNO3 + NaOH + H2O = NH3 + Na[Zn(OH)4] =>
8 Zn + 3 NaNO3 + 5 NaOH + 18 H2O = 3 NH3 + 8 Na[Zn(OH)4]
I2 + FeCl3 = Cl2 + FeI3 =>
3 I2 + 2 FeCl3 = 3 Cl2 + 2 FeI3
Mg + Fe3O4 = MgO + Fe =>
4 Mg + Fe3O4 = 4 MgO + 3 Fe
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Ca(OH)2 + NO = Ca(NO3)2 + N2 + H2O =>
2 Ca(OH)2 + 10 NO = 2 Ca(NO3)2 + 3 N2 + 2 H2O
KH2PO4 + KOH + CaCl2 = Ca(HPO4) + KCl + H2O =>
KH2PO4 + KOH + CaCl2 = Ca(HPO4) + 2 KCl + H2O
H2SO4 = H2 + S + O2 =>
H2SO4 = H2 + S + 2 O2
CoCl2 + Na2CrO4 = CoCrO4 + Na2Cl2 =>
CoCl2 + Na2CrO4 = CoCrO4 + Na2Cl2
BeF2 + KF = K2[BeF4] =>
BeF2 + 2 KF = K2[BeF4]
Na2S2O3 + H2SO4 = Na2SO4 + S + H2SO3 =>
Na2S2O3 + H2SO4 = Na2SO4 + S + H2SO3
CrI3 + Cl2 + H2O = CrO4{2-} + IO4{-} + Cl{-} + H{+} =>
2 CrI3 + 27 Cl2 + 32 H2O = 2 CrO4{2-} + 6 IO4{-} + 54 Cl{-} + 64 H{+}
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