| Équations équilibrées la veille |
CuSO4(aq) + NaCl(aq) = CuCl(aq) + NaSO4(aq)
Al2O3 + NaOH = Al(OH)3 + Na2O =>
Al2O3 + 6 NaOH = 2 Al(OH)3 + 3 Na2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ba(OH)2 + (NH4)3Po4 = Ba3(Po4)2 + H2O + NH3 =>
3 Ba(OH)2 + 2(NH4)3Po4 = Ba3(Po4)2 + 6 H2O + 6 NH3
MnO2 + KCl + H2SO4 = MnSO4 + Cl2 + K2SO4 + H2O =>
MnO2 + 2 KCl + 2 H2SO4 = MnSO4 + Cl2 + K2SO4 + 2 H2O
AI(s) + HCl(aq) = AICl3(aq) + H2(g) =>
2 AI(s) + 6 HCl(aq) = 2 AICl3(aq) + 3 H2(g)
NaOH + HC2H4O2 = NaC2H4O2 + H2O =>
NaOH + HC2H4O2 = NaC2H4O2 + H2O
CdS + KCN = K2[Cd(CN)4] + K2S =>
CdS + 4 KCN = K2[Cd(CN)4] + K2S
S + NaOH = S(OH) + Na =>
S + NaOH = S(OH) + Na
Na2SO3 + Ba(NO3)2 = Na2(NO3)2 + Ba(SO3) =>
Na2SO3 + Ba(NO3)2 = Na2(NO3)2 + Ba(SO3)
CaCO3 + HCl = CaCl2 + H2CO3 = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Mg + HCe = MgCe + H2 =>
2 Mg + 2 HCe = 2 MgCe + H2
KMnO4 + H2S + HCl = S + MnCl2 + KCl + H2O =>
2 KMnO4 + 5 H2S + 6 HCl = 5 S + 2 MnCl2 + 2 KCl + 8 H2O
CaO + SO2 + O2 = CaSO4 =>
2 CaO + 2 SO2 + O2 = 2 CaSO4
K2O + HClO4 = KClO4 + H2O =>
K2O + 2 HClO4 = 2 KClO4 + H2O
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Zn + H{+} + NO3{-} = Zn2{+} + H2O + NH4NO3 =>
16 Zn + 10 H{+} + 2 NO3{-} = 8 Zn2{+} + 3 H2O + NH4NO3
CH3CH2OH + KMnO4 = CH3CHO + MnO2 + KOH + H2O =>
3 CH3CH2OH + 2 KMnO4 = 3 CH3CHO + 2 MnO2 + 2 KOH + 2 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
NH4Cl + H = NH4 + HCl =>
NH4Cl + H = NH4 + HCl
NaOH + Br2 = NaBrO3 + NaBr + H2O =>
6 NaOH + 3 Br2 = NaBrO3 + 5 NaBr + 3 H2O
PbZn(NO3)2 = Pb(NO3)2Zn =>
PbZn(NO3)2 = Pb(NO3)2Zn
LiO2 = Li2O + O2 =>
4 LiO2 = 2 Li2O + 3 O2
Zn + H3PO4 = Zn3(PO4)2 + H2 =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
CH3CH2OH + I2 + NaOH = CHI3 + HCOONa + HI =>
CH3CH2OH + 4 I2 + NaOH = CHI3 + HCOONa + 5 HI
Br + HI = HBr + I =>
Br + HI = HBr + I
P4O10 + NaOH = Na4P4O12 + H2O =>
P4O10 + 4 NaOH = Na4P4O12 + 2 H2O
NO2 + Ca(OH)2 = Ca(NO3)2 + NO + H2O =>
3 NO2 + Ca(OH)2 = Ca(NO3)2 + NO + H2O
CoCO3 + Na3PO4 = Co3(PO4)2 + Na2CO3 =>
3 CoCO3 + 2 Na3PO4 = Co3(PO4)2 + 3 Na2CO3
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
SO2H2O = H2SO3 =>
SO2H2O = H2SO3
Cs + HNO3 = CsNO3 + NO + H2O =>
3 Cs + 4 HNO3 = 3 CsNO3 + NO + 2 H2O
H2SO4 + HgCl2 = HgSO4 + H2Cl2 =>
H2SO4 + HgCl2 = HgSO4 + H2Cl2
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
*3Fe*4H2O = Fe3O4*4H2 =>
*3Fe*4H2O = Fe3O4*4H2
Zr(s) + N2(g) = ZrN(s) =>
2 Zr(s) + N2(g) = 2 ZrN(s)
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2 =>
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2
Ag + KNO3 = AgNO3 + K =>
Ag + KNO3 = AgNO3 + K
Cr2[(SO4)3] + H2O2 + NaOH = NaCrO4 + H2O + Na2SO4 =>
Cr2[(SO4)3] + 4 H2O2 + 8 NaOH = 2 NaCrO4 + 8 H2O + 3 Na2SO4
N2 + O2 = NO =>
N2 + O2 = 2 NO
AlCl3 + Mg(OH)2 = MgCl3 + Al(OH)2 =>
AlCl3 + Mg(OH)2 = MgCl3 + Al(OH)2
Fe(NO3)3 + Li2CO3 = FeCO3 + Li2(NO3)3 =>
Fe(NO3)3 + Li2CO3 = FeCO3 + Li2(NO3)3
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
(CH3)2CO + O2 = H2O + CO2 =>
(CH3)2CO + 4 O2 = 3 H2O + 3 CO2
N2 + O2 = NO =>
N2 + O2 = 2 NO
C8H10 + KMnO4 + KOH = C8H6O2 + K2MnO4 + H2O =>
C8H10 + 8 KMnO4 + 8 KOH = C8H6O2 + 8 K2MnO4 + 6 H2O
Fe(OH)3 + H2So4(aq) = Fe2(So4)3(aq) + H2O(l) =>
2 Fe(OH)3 + 3 H2So4(aq) = Fe2(So4)3(aq) + 6 H2O(l)
PbO2 + Cl{-} + H2O = Pb{2+} + OCl{-} + OH{-} =>
PbO2 + Cl{-} + H2O = Pb{2+} + OCl{-} + 2 OH{-}
C24H51N + H2O = CH4 + CO2 + NH3 =>
C24H51N + 12 H2O = 18 CH4 + 6 CO2 + NH3
CaC + HBr = CaBr + CH =>
CaC + HBr = CaBr + CH
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