| Équations équilibrées la veille |
4 N2O + 6 CH4 + O2 = 6 CO + 8 NH3
FeCl2 + K2S = FeS + K2Cl2 =>
FeCl2 + K2S = FeS + K2Cl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
MnO4{-} + SO3{2-} + OH{-} = MnO4{2-} + SO4{2-} + H2O =>
2 MnO4{-} + SO3{2-} + 2 OH{-} = 2 MnO4{2-} + SO4{2-} + H2O
H2SO4 + HCl = H2S + Cl2 + H2O =>
H2SO4 + 8 HCl = H2S + 4 Cl2 + 4 H2O
NaOH(s) + H2SO4(c) = Na2SO4 + H2O =>
2 NaOH(s) + H2SO4(c) = Na2SO4 + 2 H2O
Al(NO3)3 + C15H10O7 + H2O = Al(C15H9O7) + H3O + NO3 =>
Al(NO3)3 + C15H10O7 + H2O = Al(C15H9O7) + H3O + 3 NO3
CH3COOH + CH3CH2CH2CH2OH = CH3COOCH2CH2CH3CH3 + H2O =>
6 CH3COOH + 9 CH3CH2CH2CH2OH = 8 CH3COOCH2CH2CH3CH3 + 5 H2O
Br2 + Ag5O2 = BrO + Ag =>
Br2 + Ag5O2 = 2 BrO + 5 Ag
Cu + NaOH = CuOH + Na =>
Cu + NaOH = CuOH + Na
Al2(SO4)3(ap) + KOH(aq) = Al(OH)3(aq) + K2SO4(aq) =>
Al2(SO4)3(ap) + 6 KOH(aq) = 2 Al(OH)3(aq) + 3 K2SO4(aq)
Al2(SO4)3*14H2O + HCO3 = Al(OH)3 + CO2 + H2O + SO4 =>
Al2(SO4)3*14H2O + 6 HCO3 = 2 Al(OH)3 + 6 CO2 + 14 H2O + 3 SO4
CH3OH3(g) + O2(g) = CO2(g) + H2O(g) =>
CH3OH3(g) + 2 O2(g) = CO2(g) + 3 H2O(g)
CO + H2 = C5H14 + H2O =>
5 CO + 12 H2 = C5H14 + 5 H2O
PH3 + Br2 = PH4Br + P =>
8 PH3 + 3 Br2 = 6 PH4Br + 2 P
Fe2 + Ag2(SO4) = FeSO4 + Ag =>
Fe2 + 2 Ag2(SO4) = 2 FeSO4 + 4 Ag
KNO3 + HBr = NO2 + H2O + KBr + O2 =>
4 KNO3 + 4 HBr = 4 NO2 + 2 H2O + 4 KBr + O2
AgNO3 + CoCl2 = AgCl + Co(NO3)2 =>
2 AgNO3 + CoCl2 = 2 AgCl + Co(NO3)2
Ag(NH3)2(aq) + H(aq) = Ag + NH4(aq) =>
Ag(NH3)2(aq) + 2 H(aq) = Ag + 2 NH4(aq)
(KMnO4) + (COONa)2 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + CO2 + H2O =>
2(KMnO4) + 5(COONa)2 + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
Br2 + NaO = NaBr + O2 =>
Br2 + 2 NaO = 2 NaBr + O2
Fe(OH)3(s) + HCl(aq) = FeCl3 + H2O =>
Fe(OH)3(s) + 3 HCl(aq) = FeCl3 + 3 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Ag(NH3)2(aq) + H(aq) = Ag + NH4(aq) =>
Ag(NH3)2(aq) + 2 H(aq) = Ag + 2 NH4(aq)
HNO3 + CdS = Cd(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 CdS = 3 Cd(NO3)2 + 2 NO + 3 S + 4 H2O
Na2(SO4) + KI = NaI + K2(SO4) =>
Na2(SO4) + 2 KI = 2 NaI + K2(SO4)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Bi2O3 = Bi + O2 =>
2 Bi2O3 = 4 Bi + 3 O2
H3AsO4 + Al(OH)3 = H2O + AlAsO4 =>
H3AsO4 + Al(OH)3 = 3 H2O + AlAsO4
CaBr2 + Fe2(SO4)3 = Ca(SO4)3 + Fe2Br2 =>
CaBr2 + Fe2(SO4)3 = Ca(SO4)3 + Fe2Br2
K[Cr(OH)6] + PbO2 + KOH = K2CrO4 + K2[Pb(OH)4] + H2O =>
2 K[Cr(OH)6] + PbO2 + 4 KOH = 2 K2CrO4 + K2[Pb(OH)4] + 6 H2O
K + H2O = KHO3 + H =>
K + 3 H2O = KHO3 + 5 H
HNO3(aq) + CaCO3(s) = Ca(NO3) + HCO3 =>
HNO3(aq) + CaCO3(s) = Ca(NO3) + HCO3
Zn + NaAg(CN)2 = ZnNaAg(CN)2 =>
Zn + NaAg(CN)2 = ZnNaAg(CN)2
CrI3 + KOH + Cl2 = K2CrO4 + KIO3 + KCl + H2O =>
2 CrI3 + 52 KOH + 21 Cl2 = 2 K2CrO4 + 6 KIO3 + 42 KCl + 26 H2O
Na2MnO4 + H2SO4 + FeSO4 = MnSO4 + Fe2(SO4)3 + Na2SO4 + H2O =>
Na2MnO4 + 4 H2SO4 + 4 FeSO4 = MnSO4 + 2 Fe2(SO4)3 + Na2SO4 + 4 H2O
H4 + Cl2 = HCl8 =>
H4 + 16 Cl2 = 4 HCl8
Cu + H2(SO4) = Cu2(SO4) + SO + H2O =>
4 Cu + 3 H2(SO4) = 2 Cu2(SO4) + SO + 3 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
K + Ni(C2H3O2)2 = Ni + KC2H3O2 =>
2 K + Ni(C2H3O2)2 = Ni + 2 KC2H3O2
MnO2 + H2SO4 + KI = I2 + H2O + K2SO4 + MnO =>
MnO2 + H2SO4 + 2 KI = I2 + H2O + K2SO4 + MnO
XCH3CONHC6H4OH + XCH3(CH2)3I + XNaOH = XC12H17NO2 + XNaI + XH2O =>
XCH3CONHC6H4OH + XCH3(CH2)3I + XNaOH = XC12H17NO2 + XNaI + XH2O
C3H6O3 + Ca(OH)2 = Ca(C3H5O3)2 + H2O =>
2 C3H6O3 + Ca(OH)2 = Ca(C3H5O3)2 + 2 H2O
Al(OH)3 + H2SO4 = H2O + (O2H)3 + AlS =>
Al(OH)3 + H2SO4 = H2O + (O2H)3 + AlS
Al3O3 + H = H2O + Al =>
Al3O3 + 6 H = 3 H2O + 3 Al
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
FeCl2 + H2O2 + HCl = Fe(Cl)3 + H2O =>
2 FeCl2 + H2O2 + 2 HCl = 2 Fe(Cl)3 + 2 H2O
CrCl + KI = KCl + CrI =>
CrCl + KI = KCl + CrI
Cu(s) + Ag(NO3)(aq) = Ag(s) + Cu(NO3)2(aq) =>
Cu(s) + 2 Ag(NO3)(aq) = 2 Ag(s) + Cu(NO3)2(aq)
Mn2{+} + O2 + H2O = MnO2 + H{+} =>
4 Mn2{+} + 7 O2 + 2 H2O = 8 MnO2 + 4 H{+}
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