| Équations équilibrées la veille | Équations équilibrées le lendemain |
9 CH3COOH + 8 MgCO3 = 8 CH3COOMg + 10 CO2 + 6 H2O
Re + Cl2 = ReCl5 =>
2 Re + 5 Cl2 = 2 ReCl5
C6H8O7 + NaCl = C6H7O7Na + HCl =>
C6H8O7 + NaCl = C6H7O7Na + HCl
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2(s) + H2O =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O
K2Cr2O7 + S8 = Cr2O3 + K2O + SO2 =>
16 K2Cr2O7 + 3 S8 = 16 Cr2O3 + 16 K2O + 24 SO2
NaSO + HCl = HSO + NaCl =>
NaSO + HCl = HSO + NaCl
SO3{-2} + MnO4{-} + H2O = SO4{-2} + OH{-} + MnO2 =>
3 SO3{-2} + 2 MnO4{-} + H2O = 3 SO4{-2} + 2 OH{-} + 2 MnO2
Au + Ag = AgAu =>
Au + Ag = AgAu
FeCl2*4H2O(aq) + C2H2O4(aq) = FeC2O4*2H2O(s) + H2O(l) + HCl(aq) =>
FeCl2*4H2O(aq) + C2H2O4(aq) = FeC2O4*2H2O(s) + 2 H2O(l) + 2 HCl(aq)
(NH4)2SO4 + KOH = H2O + K2SO4 + NH3 =>
(NH4)2SO4 + 2 KOH = 2 H2O + K2SO4 + 2 NH3
NaOH + FeBr3 = FeNa + OHBr3 =>
NaOH + FeBr3 = FeNa + OHBr3
TiCl4 + HF = TiF4 + HCl =>
TiCl4 + 4 HF = TiF4 + 4 HCl
Ag2SO4 + Mg(NO3)2 = MgSO4 + Ag2(NO3)2 =>
Ag2SO4 + Mg(NO3)2 = MgSO4 + Ag2(NO3)2
Br2 + HCl = Cl2 + HBr =>
Br2 + 2 HCl = Cl2 + 2 HBr
MgI2 + NaOH = Mg(OH)2 + NaI =>
MgI2 + 2 NaOH = Mg(OH)2 + 2 NaI
Cr{3+} + BiO3{-} + H{+} = Cr2O7{2-} + Bi{3+} + H2O =>
2 Cr{3+} + 3 BiO3{-} + 4 H{+} = Cr2O7{2-} + 3 Bi{3+} + 2 H2O
SiO2 + F = SiF4 + O2 =>
SiO2 + 4 F = SiF4 + O2
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
KMnO4 + H2Cl2 = KCl2 + MnCl2 + H2O + Cl2 =>
KMnO4 + 4 H2Cl2 = KCl2 + MnCl2 + 4 H2O + 2 Cl2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
PCl5(l) + H2O(l) = H3PO4(aq) + HCl(g) =>
PCl5(l) + 4 H2O(l) = H3PO4(aq) + 5 HCl(g)
C12H26(l) + O2(g) = CO2(g) + H2O(g) =>
2 C12H26(l) + 37 O2(g) = 24 CO2(g) + 26 H2O(g)
FeCl3(aq) + K2C2O4(aq) + H2O(l) = K3[Fe(C2O4)3]*3H2O(s) + KCl(aq) =>
FeCl3(aq) + 3 K2C2O4(aq) + 3 H2O(l) = K3[Fe(C2O4)3]*3H2O(s) + 3 KCl(aq)
Na3PO4*12H2O + BaCl2*2H2O = Ba3(PO4)2 + NaCl(aq) + H2O(l) =>
2 Na3PO4*12H2O + 3 BaCl2*2H2O = Ba3(PO4)2 + 6 NaCl(aq) + 30 H2O(l)
CH3CHClCOOH + C2H5OH = CH3CHClCOOC2H5 + H2O =>
CH3CHClCOOH + C2H5OH = CH3CHClCOOC2H5 + H2O
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CaCl + Na2C2O4 = Ca2C2O4 + NaCl =>
2 CaCl + Na2C2O4 = Ca2C2O4 + 2 NaCl
Na2S + Ba = BaS + Na =>
Na2S + Ba = BaS + 2 Na
C2H4O + O2 = CO2 + H2O(g) =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O(g)
PbNO3 + KCl = PbCl + KNO3 =>
PbNO3 + KCl = PbCl + KNO3
C2H2 + H2O = CH3CHO =>
C2H2 + H2O = CH3CHO
CH3COOH + Li(OH) = LiC2H3O2 + H2O =>
CH3COOH + Li(OH) = LiC2H3O2 + H2O
Bi + HNO3 = NO2 + Bi(NO3)3 + H2O =>
Bi + 6 HNO3 = 3 NO2 + Bi(NO3)3 + 3 H2O
CH3COOH + Li(OH) = LiC2H3O2 + H2O =>
CH3COOH + Li(OH) = LiC2H3O2 + H2O
H2O + MnO4{-} + SO3{2-} = MnO2 + SO4{2-} + OH{-} =>
H2O + 2 MnO4{-} + 3 SO3{2-} = 2 MnO2 + 3 SO4{2-} + 2 OH{-}
Ag2O + NH3*H2O = [Ag(NH3)2]OH + H2O =>
Ag2O + 4 NH3*H2O = 2[Ag(NH3)2]OH + 3 H2O
PbSO4 + Na2CO3 = PbO + Na2SO4 + CO2 =>
PbSO4 + Na2CO3 = PbO + Na2SO4 + CO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CH2H5OH + O2 = CH3COOH + H2O =>
2 CH2H5OH + 3 O2 = CH3COOH + 6 H2O
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cs + H = CsH =>
Cs + H = CsH
FeO3 + CO = CO2 + Fe =>
FeO3 + 3 CO = 3 CO2 + Fe
Fe(NO3)2 + (NH4)3PO4 = NH4NO3 + Fe3(PO4)2 =>
3 Fe(NO3)2 + 2(NH4)3PO4 = 6 NH4NO3 + Fe3(PO4)2
CH2O + Fe + SO4{2-} = HCO3{-} + HS{-} + Fe{2+} + H2O =>
9 CH2O + 2 Fe + 5 SO4{2-} = 9 HCO3{-} + 5 HS{-} + 2 Fe{2+} + 2 H2O
C9H12NO2 + Na2CO3 = C9H11NO2Na + CO2 + H2O =>
2 C9H12NO2 + Na2CO3 = 2 C9H11NO2Na + CO2 + H2O
K2HPO4 + KOH = H2O + K3PO4(aq) =>
K2HPO4 + KOH = H2O + K3PO4(aq)
CuI + F2 = CuF2 + I2 =>
2 CuI + 2 F2 = 2 CuF2 + I2
H{+} + VO3{-} + I{-} = VO{2+} + H2O + I2 =>
8 H{+} + 2 VO3{-} + 2 I{-} = 2 VO{2+} + 4 H2O + I2
Ca + Na2CO3 = CaCO3(s) + Na(aq) =>
Ca + Na2CO3 = CaCO3(s) + 2 Na(aq)
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