| Équations équilibrées la veille |
Pb(NO3)2 + KMnO4 = PbO2 + Mn(NO3)2 + KO2
KCl + MnO4 + H2SO4 = K2SO4 + MnSO4 + Cl2 + H2O =>
6 KCl + MnO4 + 4 H2SO4 = 3 K2SO4 + MnSO4 + 3 Cl2 + 4 H2O
Al + CrSO4 = Al2(SO4)3 + Cr =>
2 Al + 3 CrSO4 = Al2(SO4)3 + 3 Cr
PBr4 = P4 + Br2 =>
4 PBr4 = P4 + 8 Br2
HNO3 + HF = NO2 + F + H2O =>
HNO3 + HF = NO2 + F + H2O
Fe + KNO3 = Fe(KNO3)3 =>
Fe + 3 KNO3 = Fe(KNO3)3
Cl2 + Si = Cl4Si =>
2 Cl2 + Si = Cl4Si
CH3COOH + NH3 = CH3COO + NH4 =>
CH3COOH + NH3 = CH3COO + NH4
(NH4)6Mo7O24 + Na2S + HCl = Mo5O14 + S + NaCl + NH4Cl + H2O =>
5(NH4)6Mo7O24 + 7 Na2S + 44 HCl = 7 Mo5O14 + 7 S + 14 NaCl + 30 NH4Cl + 22 H2O
Na2CO3 + HCl = CO2 + ClNa + H2O =>
Na2CO3 + 2 HCl = CO2 + 2 ClNa + H2O
C2O2 = C + O2 =>
C2O2 = 2 C + O2
Cr2O3 + NaOH = NaCrO2 + H2O =>
Cr2O3 + 2 NaOH = 2 NaCrO2 + H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ag + InI = AgI + In =>
Ag + InI = AgI + In
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COOH + H2O =>
3 CH3CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2COOH + 11 H2O
NaOH + KI = KIOH + Na =>
NaOH + KI = KIOH + Na
HI + HSO4 = H2S + I2 + H2O =>
18 HI + 2 HSO4 = 2 H2S + 9 I2 + 8 H2O
Na + H = NaH11 =>
Na + 11 H = NaH11
OH{-} + MnO4{-} + NO2{-} = MnO3{2-} + NO3{-} + H2O =>
2 OH{-} + 2 MnO4{-} + 3 NO2{-} = 2 MnO3{2-} + 3 NO3{-} + H2O
H2C2O4 + Ca(OH)2 = H2(OH)2 + CaC2O4 =>
H2C2O4 + Ca(OH)2 = H2(OH)2 + CaC2O4
I2 + (S2O3)2{-}{+} = I{-} + (S4O6)2{-} =>
I2 + 4(S2O3)2{-}{+} = 2 I{-} + 2(S4O6)2{-}
BaCl2 + Na2SO2 = BaSO2 + NaCl =>
BaCl2 + Na2SO2 = BaSO2 + 2 NaCl
H9C4Br + NH4OH = [H9C4(NH3)2]Br + H2O =>
H9C4Br + 2 NH4OH = [H9C4(NH3)2]Br + 2 H2O
HNO3 + BaCO3 = H2O + Ba(NO3)2 + CO2 =>
2 HNO3 + BaCO3 = H2O + Ba(NO3)2 + CO2
MgSe + O2 = SeO2 + MgO =>
2 MgSe + 3 O2 = 2 SeO2 + 2 MgO
I{-} + OCl{-} + H2O = I2 + Cl{-} + OH{-} =>
2 I{-} + OCl{-} + H2O = I2 + Cl{-} + 2 OH{-}
Sn(OH)4(aq) + H3PO4(aq) = Sn3(PO4)4(s) + H2O(l) =>
3 Sn(OH)4(aq) + 4 H3PO4(aq) = Sn3(PO4)4(s) + 12 H2O(l)
H2 + L2 = HL =>
H2 + L2 = 2 HL
NH3 + H2SO4 = NH4HSO4 =>
NH3 + H2SO4 = NH4HSO4
Pb(NO3)2 + Na(CO3)2 = Pb(CO3)2 + Na(NO3)2 =>
Pb(NO3)2 + Na(CO3)2 = Pb(CO3)2 + Na(NO3)2
GaN + K = K3N + Ga =>
GaN + 3 K = K3N + Ga
Na2SO4 + Ba(NO3)2 = NaNO3 + BaSO4 =>
Na2SO4 + Ba(NO3)2 = 2 NaNO3 + BaSO4
HI + KMnO4 + H2SO4 = I + MnSO4 + KSO4 + H2O =>
4 HI + KMnO4 + 2 H2SO4 = 4 I + MnSO4 + KSO4 + 4 H2O
Cl + AgF = AgCl + F =>
Cl + AgF = AgCl + F
H2SO4 + Na2SO4 = H2SO4Na2SO4 =>
H2SO4 + Na2SO4 = H2SO4Na2SO4
Mg + CuCl{2} = MgCl{2} + Cu =>
Mg + CuCl{2} = MgCl{2} + Cu
NH4NO3 + CH3NO2 = N2 + CO2 + H2O =>
3 NH4NO3 + 2 CH3NO2 = 4 N2 + 2 CO2 + 9 H2O
H3PO4 + Ag = Ag3PO4 + H =>
H3PO4 + 3 Ag = Ag3PO4 + 3 H
BaC2O4 + KIO3 = BaI2O6 + K2C2O4 =>
BaC2O4 + 2 KIO3 = BaI2O6 + K2C2O4
C5H4O3 + Cs2CO3 = CsC5H3O3 + CO2 + H2O =>
2 C5H4O3 + Cs2CO3 = 2 CsC5H3O3 + CO2 + H2O
Fe + (OH)3 + HCe = FeCe + H2O =>
3 Fe + (OH)3 + 3 HCe = 3 FeCe + 3 H2O
Al + Fe = AlFe3 =>
Al + 3 Fe = AlFe3
Al(OH)2Cl + KCl = AlCl3 + KOH =>
Al(OH)2Cl + 2 KCl = AlCl3 + 2 KOH
C6H6 + HCl = C6H5Cl + H3 =>
3 C6H6 + 3 HCl = 3 C6H5Cl + 2 H3
K3N + (NH4)2O = K2O + (NH4)3N =>
2 K3N + 3(NH4)2O = 3 K2O + 2(NH4)3N
FeCl2 + HNO3 + HCl = FeCl3 + NO + H2O =>
3 FeCl2 + HNO3 + 3 HCl = 3 FeCl3 + NO + 2 H2O
SO{2-}3 = SO{2-}4 =>
SO{2-}3 = SO{2-}4
KMnO4 + NO + H2SO4 = MnSO4 + NO2 + H2O + K2SO4 =>
2 KMnO4 + 5 NO + 3 H2SO4 = 2 MnSO4 + 5 NO2 + 3 H2O + K2SO4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
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