| Équations équilibrées la veille |
3 H2 + Ba3(PO4)2 = 2 H3PO4 + 3 Ba
Fe(OH)3 + NaOH = Na3(Fe(OH)6) =>
Fe(OH)3 + 3 NaOH = Na3(Fe(OH)6)
KOH(aq) + BaCl(aq) = BaOH(aq) + KCl(aq) =>
KOH(aq) + BaCl(aq) = BaOH(aq) + KCl(aq)
FeCl2 + O2 + H2O = Fe2O3 + HCl =>
4 FeCl2 + O2 + 4 H2O = 2 Fe2O3 + 8 HCl
MnO2 + Al = AlO3 + Mn =>
3 MnO2 + 2 Al = 2 AlO3 + 3 Mn
Fe = Fe2{+} + e =>
2 Fe = Fe2{+} + e
Mg + Cl2 = MgCl =>
2 Mg + Cl2 = 2 MgCl
Fe + Na2SO4 = Fe(SO4) + Na =>
Fe + Na2SO4 = Fe(SO4) + 2 Na
CaSi2 + SbCl3 = Si + Sb + CaCl2 =>
3 CaSi2 + 2 SbCl3 = 6 Si + 2 Sb + 3 CaCl2
Po + O2 = Po2O6 =>
2 Po + 3 O2 = Po2O6
Br{-} + (Cr2O7){2-} + H{+} = Br2 + Cr{3+} + H2O =>
6 Br{-} + (Cr2O7){2-} + 14 H{+} = 3 Br2 + 2 Cr{3+} + 7 H2O
KCH3COO + (NH4)2CO3 = K2CO3 + NH4CH3COO =>
2 KCH3COO + (NH4)2CO3 = K2CO3 + 2 NH4CH3COO
NaCl(aq) + Hg2(C2H3O2)2(ag) = Hg2Cl(s) + Na(C2H3O2)2(aq) =>
NaCl(aq) + Hg2(C2H3O2)2(ag) = Hg2Cl(s) + Na(C2H3O2)2(aq)
H3PO4 + H2O = H3O{+} + PO4{3-} =>
H3PO4 + 3 H2O = 3 H3O{+} + PO4{3-}
Ca(OH)2 + (NH4)Cl = CaCl2 + NH3 + H2O =>
Ca(OH)2 + 2(NH4)Cl = CaCl2 + 2 NH3 + 2 H2O
CuSO4 + PH3 = Cu + P + H2SO4 =>
3 CuSO4 + 2 PH3 = 3 Cu + 2 P + 3 H2SO4
CuI + NH3 + O2 = [Cu(NH3)4]2{+} + IO3{-} + I2 =>
4 CuI + 16 NH3 + 3 O2 = 2[Cu(NH3)4]2{+} + 2 IO3{-} + I2
H + Cl = HCl =>
H + Cl = HCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H4CHOCl + KOH = C6H4CH2OHCl + C6H4ClCO2K =>
2 C6H4CHOCl + KOH = C6H4CH2OHCl + C6H4ClCO2K
Fe + *3O2 = *2Fe2O3 =>
4 Fe + *3O2 = *2Fe2O3
HBr + K2Cr2O7 = Br2 + CrBr3 + H2O + KBr =>
14 HBr + K2Cr2O7 = 3 Br2 + 2 CrBr3 + 7 H2O + 2 KBr
CH3OH + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2 =>
8 CH3OH + 2 KMnO4 + 3 H2SO4 = 8 HCOOH + 2 MnSO4 + K2SO4 + 11 H2
Ca(HCO3)2(aq) + HBr(aq) = CaH + Br(HCO3)2 =>
Ca(HCO3)2(aq) + HBr(aq) = CaH + Br(HCO3)2
NH4NO3 + H2SO4 = H2O + (NH4)2SO4 + NO2 =>
7 NH4NO3 + 3 H2SO4 = 5 H2O + 3(NH4)2SO4 + 8 NO2
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
LiOH + NaOH = LiOHNaOH =>
LiOH + NaOH = LiOHNaOH
Fe(OH)3 + K2O = KFeO2 + H2O =>
2 Fe(OH)3 + K2O = 2 KFeO2 + 3 H2O
CH3MgBr + CH2O = H3OC8H18OH + MgBr =>
6 CH3MgBr + 2 CH2O = H3OC8H18OH + 6 MgBr
H2O + Mn = H2 + MnO2 =>
2 H2O + Mn = 2 H2 + MnO2
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
K2Cr2O7(aq) + KI(aq) + H2SO4(aq) = K2SO4(aq) + Cr2(SO4)3(aq) + I2(g) + H2O(l) =>
K2Cr2O7(aq) + 6 KI(aq) + 7 H2SO4(aq) = 4 K2SO4(aq) + Cr2(SO4)3(aq) + 3 I2(g) + 7 H2O(l)
C12H24 + O2 = CO2 + H2O =>
C12H24 + 18 O2 = 12 CO2 + 12 H2O
SnO + NaOH + H2O2 = Na2SnO3 + H2O =>
SnO + 2 NaOH + H2O2 = Na2SnO3 + 2 H2O
CH3CH3 = H2 + C2H4 =>
CH3CH3 = H2 + C2H4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C57H110O6 + O2(g) = CO2(g) + H2O(l) =>
2 C57H110O6 + 163 O2(g) = 114 CO2(g) + 110 H2O(l)
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
H2O + NaClO3 + SO2 = Na2SO3 + HClO3 =>
H2O + 2 NaClO3 + SO2 = Na2SO3 + 2 HClO3
K2Cr2O7(aq) + KI(aq) + H2SO4(aq) = K2SO4(aq) + Cr2(SO4)3(aq) + I2(g) + H2O(l) =>
K2Cr2O7(aq) + 6 KI(aq) + 7 H2SO4(aq) = 4 K2SO4(aq) + Cr2(SO4)3(aq) + 3 I2(g) + 7 H2O(l)
FeCl3 + NaNO3 = Fe(NO3)3 + Na3Cl3 =>
FeCl3 + 3 NaNO3 = Fe(NO3)3 + Na3Cl3
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
FeCl2 + FeCl3 + H2O = HCl + Fe3O4 =>
FeCl2 + 2 FeCl3 + 4 H2O = 8 HCl + Fe3O4
Al3 + HCl = Al2Cl3 + H =>
2 Al3 + 9 HCl = 3 Al2Cl3 + 9 H
Ba(NO3)2 + AgNO3 = BaAg + (NO3)3 =>
Ba(NO3)2 + AgNO3 = BaAg + (NO3)3
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
CH3CHBrCH2COOH + NaOH = CH3CHBrCH2COO + Na + H2O =>
CH3CHBrCH2COOH + NaOH = CH3CHBrCH2COO + Na + H2O
[Cu(H2O)2]Cl2 + HCl = H2[CuCl4] + H2O =>
[Cu(H2O)2]Cl2 + 2 HCl = H2[CuCl4] + 2 H2O
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
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