| Équations équilibrées la veille | Équations équilibrées le lendemain |
C7H6O3 + 2 NaHCO3 = C7H4O3 + 2 H2CO3 + 2 Na
KOH + H3Po4 = K3Po4 + H2O =>
3 KOH + H3Po4 = K3Po4 + 3 H2O
C8H19N3O2 + O2 = CO2 + H2O + NO2 =>
4 C8H19N3O2 + 59 O2 = 32 CO2 + 38 H2O + 12 NO2
C5H20 + O2 = CO10 + H2O =>
C5H20 + 30 O2 = 5 CO10 + 10 H2O
Al(OH)3 + H(C2H3O2) = Al(C2H3O2)3 + H(OH) =>
Al(OH)3 + 3 H(C2H3O2) = Al(C2H3O2)3 + 3 H(OH)
NaMnO4 + NaBr + H2O = MnO2 + NaBrO3 + NaOH =>
2 NaMnO4 + NaBr + H2O = 2 MnO2 + NaBrO3 + 2 NaOH
Cr(NO3)KOH = KNO3CrOH =>
Cr(NO3)KOH = KNO3CrOH
Ca(NO3)2(aq) + Hg2I2(s) = Hg2(NO3)2(aq) + CaI2(aq) =>
Ca(NO3)2(aq) + Hg2I2(s) = Hg2(NO3)2(aq) + CaI2(aq)
MnO2 + HCl + H2SO4 = Mn(SO4) + Cl2 + H2O =>
MnO2 + 2 HCl + H2SO4 = Mn(SO4) + Cl2 + 2 H2O
{-}24 = {-}40 =>
{-}24 = {-}40
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
PbNKI = PbI(s)KN(s) =>
PbNKI = PbI(s)KN(s)
NH4NO3 + H2SO4 = H2O + (NH4)2SO4 + NO2 =>
7 NH4NO3 + 3 H2SO4 = 5 H2O + 3(NH4)2SO4 + 8 NO2
FeCl3(aq) + H2S(g) = Fe2S3 + HCl =>
2 FeCl3(aq) + 3 H2S(g) = Fe2S3 + 6 HCl
SO2 + HCl = HSO + ClO =>
SO2 + HCl = HSO + ClO
NH3H2SO4 = H2SO4NH3 =>
NH3H2SO4 = H2SO4NH3
CaOH2 + FeCl2 = CaCl2 + FeOH2 =>
CaOH2 + FeCl2 = CaCl2 + FeOH2
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
NaMnO4 + NaBr + H2O = MnO2 + NaBrO3 + NaOH =>
2 NaMnO4 + NaBr + H2O = 2 MnO2 + NaBrO3 + 2 NaOH
Cr(OH)3 + NaClO = Na2CrO4 + NaOH + Cl2 + H2O =>
2 Cr(OH)3 + 6 NaClO = 2 Na2CrO4 + 2 NaOH + 3 Cl2 + 2 H2O
NaHSO3(s)NaOH = Na2SO3(s)H2O(l) =>
NaHSO3(s)NaOH = Na2SO3(s)H2O(l)
C2O4{2-} + MnO4{-} + H{+} + H2O = Mn{2+} + H2CO3 =>
5 C2O4{2-} + 2 MnO4{-} + 16 H{+} + 2 H2O = 2 Mn{2+} + 10 H2CO3
Pb(NO3)2Na2S = PbSNa2(NO3)2 =>
Pb(NO3)2Na2S = PbSNa2(NO3)2
Fe3(PO4)2 + K = K3PO4 + Fe =>
Fe3(PO4)2 + 6 K = 2 K3PO4 + 3 Fe
C2H5OH + Ca = (C2H5O)2Ca + H2 =>
2 C2H5OH + Ca = (C2H5O)2Ca + H2
K2SiO3 + NH4Cl + H2O = KCl + NH4OH + H2SiO3 =>
K2SiO3 + 2 NH4Cl + 2 H2O = 2 KCl + 2 NH4OH + H2SiO3
ZnHNO3 = ZnNO2H2OZnNO3 =>
2 ZnHNO3 = ZnNO2H2OZnNO3
Y2O3 + TiO2 = Y2Ti2O7 =>
Y2O3 + 2 TiO2 = Y2Ti2O7
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C5H20 + O2 = CO10 + H2O =>
C5H20 + 30 O2 = 5 CO10 + 10 H2O
CH3CH(OH)CH3 + KMnO4 + KOH = CH3COCH3 + K2MnO4 + H2O =>
CH3CH(OH)CH3 + 2 KMnO4 + 2 KOH = CH3COCH3 + 2 K2MnO4 + 2 H2O
S3F5 = S + F2 =>
2 S3F5 = 6 S + 5 F2
FeCI{3} + KOH = Fe(OH){3} + KCI =>
FeCI{3} + KOH = Fe(OH){3} + KCI
K2CO3 + Mg(OH)2 = MgCO3 + KOH =>
K2CO3 + Mg(OH)2 = MgCO3 + 2 KOH
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
MgO + CuSO4 = MgSO4 + Cu + O2 =>
2 MgO + 2 CuSO4 = 2 MgSO4 + 2 Cu + O2
Cu + SCN = Cu(SCN)2 =>
Cu + 2 SCN = Cu(SCN)2
Ba(NO3)2 + CaCl2 = BaCl2 + Ca(NO3)2 =>
Ba(NO3)2 + CaCl2 = BaCl2 + Ca(NO3)2
Rb + AlCl3 = RbCl + Al =>
3 Rb + AlCl3 = 3 RbCl + Al
NaNO2 + H2O = HNO3 + HNa =>
NaNO2 + H2O = HNO3 + HNa
Ca + Cl2 = Ca(Cl)2 =>
Ca + Cl2 = Ca(Cl)2
At + Cs = AtCs =>
At + Cs = AtCs
C6H14O + CuO = C6H12O + H2O + Cu =>
C6H14O + CuO = C6H12O + H2O + Cu
Sn + AgClO4 = Ag + Sn(ClO4)2 =>
Sn + 2 AgClO4 = 2 Ag + Sn(ClO4)2
Mg(OH)2 + Ag2O = Ag(OH) + MgO =>
Mg(OH)2 + Ag2O = 2 Ag(OH) + MgO
NaOH + AgNO3 = AgOH + NaNO3 =>
NaOH + AgNO3 = AgOH + NaNO3
Cl{-} + H2O = ClO3{-} + H2 =>
Cl{-} + 3 H2O = ClO3{-} + 3 H2
KMnO4 + Ni(NO3)2 = KNO3 + Ni(MnO4)2 =>
2 KMnO4 + Ni(NO3)2 = 2 KNO3 + Ni(MnO4)2
Cu0 + H2SO4 = CuSO4 + SO2 + H2O =>
Cu0 + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
C5H20 + O2 = CO10 + H2O =>
C5H20 + 30 O2 = 5 CO10 + 10 H2O
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Équations équilibrées sur11/13/24
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