| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2CO3 + 2 AgI = Ag2CO3 + 2 NaI
Ba(NO3)2 + Na2(SO4) = Ba(SO4) + Na(NO3) =>
Ba(NO3)2 + Na2(SO4) = Ba(SO4) + 2 Na(NO3)
Na2CO3(aq) + FeBr3(aq) = Fe2(CO3)3 + NaBr =>
3 Na2CO3(aq) + 2 FeBr3(aq) = Fe2(CO3)3 + 6 NaBr
BOC + O2 = B2O3 + CO2 =>
4 BOC + 5 O2 = 2 B2O3 + 4 CO2
HMnO4 + H2S = Mn2S7 + H2O =>
2 HMnO4 + 7 H2S = Mn2S7 + 8 H2O
BCl3 + CaF2 = BF3 + CaCl2 =>
2 BCl3 + 3 CaF2 = 2 BF3 + 3 CaCl2
Ni(OH)2 + CN = [Ni(CN)4] + OH =>
Ni(OH)2 + 4 CN = [Ni(CN)4] + 2 OH
C2H4 + F2 = C2H4F2 =>
C2H4 + F2 = C2H4F2
AgN + Na = NaN + Ag =>
AgN + Na = NaN + Ag
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe2O3 + NaOH = Fe(OH)3 + Na2O =>
Fe2O3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2O
C14H12O7N2 + O2 = NO2 + CO2 + H2O =>
2 C14H12O7N2 + 31 O2 = 4 NO2 + 28 CO2 + 12 H2O
F + FeCl3 = FeF3 + Cl2 =>
6 F + 2 FeCl3 = 2 FeF3 + 3 Cl2
Na2O2 = Na2O + O2 =>
2 Na2O2 = 2 Na2O + O2
AgClO3 + BaCl2 = AgCl + Ba(ClO3)2 =>
2 AgClO3 + BaCl2 = 2 AgCl + Ba(ClO3)2
C3H7OH + HCOOH = HCOOH7C3 + H2O =>
C3H7OH + HCOOH = HCOOH7C3 + H2O
TbCl = Tb + Cl =>
TbCl = Tb + Cl
Ca(CH3CO2)2 + H2SO4 = CaSO4 + CH3COOH =>
Ca(CH3CO2)2 + H2SO4 = CaSO4 + 2 CH3COOH
KBr + Cl2 + H2O = KOH + BrCl + H2 =>
2 KBr + Cl2 + 2 H2O = 2 KOH + 2 BrCl + H2
NH3(g) + CO2(g) = N2H4CO(s) + H2O(l) =>
2 NH3(g) + CO2(g) = N2H4CO(s) + H2O(l)
KMnO4 + CH3COOH = CO2 + H2O + MnO2 + CH3COOK =>
8 KMnO4 + 11 CH3COOH = 6 CO2 + 10 H2O + 8 MnO2 + 8 CH3COOK
MnO2 + H2O2 = MnO + HO2 =>
2 MnO2 + H2O2 = 2 MnO + 2 HO2
Al(NO3)3 + Ba(OH)2 = Al(OH)3 + Ba(NO3)2 =>
2 Al(NO3)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 Ba(NO3)2
KNO2 + Na2SO4 = K2SO4 + NaNO2 =>
2 KNO2 + Na2SO4 = K2SO4 + 2 NaNO2
CaCl2 + K2Co3 = KCl2 + Ca2Co3 =>
2 CaCl2 + K2Co3 = 2 KCl2 + Ca2Co3
Ab + CdAf = Cd3 + AbAf2 =>
3 Ab + 6 CdAf = 2 Cd3 + 3 AbAf2
HCOOK + HNO3 = HCOOH + KNO3 =>
HCOOK + HNO3 = HCOOH + KNO3
Al2(SO3)3(s) = Al2O3(s) + SO2(g) =>
Al2(SO3)3(s) = Al2O3(s) + 3 SO2(g)
HClO4 + C = CO2 + Cl2 + H2O =>
4 HClO4 + 7 C = 7 CO2 + 2 Cl2 + 2 H2O
K[BiI4] + Na2S = Bi2S3 + KI + NaI =>
2 K[BiI4] + 3 Na2S = Bi2S3 + 2 KI + 6 NaI
AuF3 + NaCO3 = NaF + Au(CO3)3 =>
AuF3 + 3 NaCO3 = 3 NaF + Au(CO3)3
K2Zn3[Fe(CN)6]2 + NaOH = KOH + Na4[Fe(CN)6] + Na2ZnO2 + H2O =>
K2Zn3[Fe(CN)6]2 + 14 NaOH = 2 KOH + 2 Na4[Fe(CN)6] + 3 Na2ZnO2 + 6 H2O
Hg + NO3{-} + H{+} = Hg2{2+} + NO + H2O =>
6 Hg + 2 NO3{-} + 8 H{+} = 3 Hg2{2+} + 2 NO + 4 H2O
Cu + Fe3N2 = Cu3N2 + Fe =>
3 Cu + Fe3N2 = Cu3N2 + 3 Fe
Cr2(SO4)3 + KCIO3 + KOH = K2CrO4 + KCI + K2SO4 + H2O =>
Cr2(SO4)3 + KCIO3 + 10 KOH = 2 K2CrO4 + KCI + 3 K2SO4 + 5 H2O
[Co(NH3)Cl3] + Ag = [Co(NH3)Cl3Ag3] =>
[Co(NH3)Cl3] + 3 Ag = [Co(NH3)Cl3Ag3]
SiCl4(l) + Sr(s) = SrCl2(s) + Si(s) =>
SiCl4(l) + 2 Sr(s) = 2 SrCl2(s) + Si(s)
C3H8O3(g) + O2(g) = CO2(g) + H2O(g) =>
2 C3H8O3(g) + 7 O2(g) = 6 CO2(g) + 8 H2O(g)
Ba3P2 + H2O = Ba(OH)2 + PH3 =>
Ba3P2 + 6 H2O = 3 Ba(OH)2 + 2 PH3
FeCl2 + SO4 + HCl = S + FeCl3 + H2O =>
8 FeCl2 + SO4 + 8 HCl = S + 8 FeCl3 + 4 H2O
ClO{-} + I{-} + H2O = OH{-} + Cl{-} + I3{-} =>
ClO{-} + 3 I{-} + H2O = 2 OH{-} + Cl{-} + I3{-}
B2O3 + C4H10O = B4C + CO + H2O =>
16 B2O3 + 7 C4H10O = 8 B4C + 20 CO + 35 H2O
C3H7OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
2 C3H7OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 10 H2O
K2CrO4 + SnSO4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Sn(SO4)2 + H2O =>
2 K2CrO4 + 3 SnSO4 + 8 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 3 Sn(SO4)2 + 8 H2O
La + Al2O3 = AlO4 + LaAl =>
5 La + 4 Al2O3 = 3 AlO4 + 5 LaAl
C2H2 + K2Cr2O7 = Cr2(CO3)3 + Cr + K2CO3 + H2O =>
3 C2H2 + 3 K2Cr2O7 = Cr2(CO3)3 + 4 Cr + 3 K2CO3 + 3 H2O
MgCl2 = Mg + Cl2 =>
MgCl2 = Mg + Cl2
K2Cr2O7 + HCl = CrCl3 + KCl + H2O + O2 =>
2 K2Cr2O7 + 16 HCl = 4 CrCl3 + 4 KCl + 8 H2O + 3 O2
H2SeO2 + Li(OH) = Li2SeO2 + H2O =>
H2SeO2 + 2 Li(OH) = Li2SeO2 + 2 H2O
K2MnO4 + Mg(OH)2 = KOH + MgMnO4 =>
K2MnO4 + Mg(OH)2 = 2 KOH + MgMnO4
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