| Équations équilibrées la veille |
K2Cr2O7 + Ba(NO3)2 = BaCr2O7 + 2 KNO3
Ca + Ag3PO4 = CaPO4 + Ag =>
Ca + Ag3PO4 = CaPO4 + 3 Ag
CrBr3 + F2 = CrF3 + Br2 =>
2 CrBr3 + 3 F2 = 2 CrF3 + 3 Br2
Li2O + Al2O3 = Li3AlO3 =>
3 Li2O + Al2O3 = 2 Li3AlO3
CuO + NO2 = CuNO3 =>
CuO + NO2 = CuNO3
C12H16 + Cl2 = C + HCl =>
C12H16 + 8 Cl2 = 12 C + 16 HCl
C4H13NO + O2 = NH4 + CO2 + H2O =>
4 C4H13NO + 23 O2 = 4 NH4 + 16 CO2 + 18 H2O
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
MnO4{-} + H2O2 = Mn{2+} + O2 + OH{-} =>
2 MnO4{-} + 3 H2O2 = 2 Mn{2+} + 4 O2 + 6 OH{-}
Al + Cu4SO4 = Al2(SO4)3 + Cu =>
2 Al + 3 Cu4SO4 = Al2(SO4)3 + 12 Cu
Fe + CrO3 + HCl = FeCl2 + CrCl3 + H2O =>
3 Fe + 2 CrO3 + 12 HCl = 3 FeCl2 + 2 CrCl3 + 6 H2O
Cu + H2 + O2 = Cu(OH)2 =>
Cu + H2 + O2 = Cu(OH)2
Sc(s) + F2(g) = ScF3(s) =>
2 Sc(s) + 3 F2(g) = 2 ScF3(s)
C6H5CHO + NaBH4 = C7H8O + BH3 + Na =>
C6H5CHO + 2 NaBH4 = C7H8O + 2 BH3 + 2 Na
Fe(OH)3 + HBr = FeBr3 + H2O =>
Fe(OH)3 + 3 HBr = FeBr3 + 3 H2O
Fe + COSO4 = FeSO4 + CO =>
Fe + COSO4 = FeSO4 + CO
Li2O + Al2O3 = Li5AlO4 =>
5 Li2O + Al2O3 = 2 Li5AlO4
H2O2 + CaCO3 = H2CO3 + CaO + O2 =>
2 H2O2 + 2 CaCO3 = 2 H2CO3 + 2 CaO + O2
K + C = K4C =>
4 K + C = K4C
CaCl2 + Ba(OH) = Ca(OH)2 + BaCl =>
CaCl2 + 2 Ba(OH) = Ca(OH)2 + 2 BaCl
Zn + N2H4 + NaOH + H2O = Na2[Zn(OH)4] + NH3 =>
Zn + N2H4 + 2 NaOH + 2 H2O = Na2[Zn(OH)4] + 2 NH3
Ru(s) + Cl{-}(aq) + NO3{-}(aq) + H{+}(aq) = RuCl63{-}(aq) + NO2(g) + H2O(l) =>
Ru(s) + 63 Cl{-}(aq) + 62 NO3{-}(aq) + 124 H{+}(aq) = RuCl63{-}(aq) + 62 NO2(g) + 62 H2O(l)
Sn + NH3 + H2O = Sn(OH)2 + NH4 =>
Sn + 2 NH3 + 2 H2O = Sn(OH)2 + 2 NH4
NaOH + NH4Fe(SO4)2 = Fe(OH)3 + NH3 + Na2SO4 + H2O =>
4 NaOH + NH4Fe(SO4)2 = Fe(OH)3 + NH3 + 2 Na2SO4 + H2O
LiAlSi2O6 + CaO + Al2O3 = CaAl2Si2O8 + LiAlO2 =>
LiAlSi2O6 + CaO + Al2O3 = CaAl2Si2O8 + LiAlO2
C6H12 + I2 = C6H12I2 =>
C6H12 + I2 = C6H12I2
CH2Cl2 + NaBr = CH2Br2 + NaCl =>
CH2Cl2 + 2 NaBr = CH2Br2 + 2 NaCl
CaCO3 + HI = CaI2 + H2O + CO2 =>
CaCO3 + 2 HI = CaI2 + H2O + CO2
NH4 + CO3 = (NH4)2CO3 =>
2 NH4 + CO3 = (NH4)2CO3
Co + I = CoI3 =>
Co + 3 I = CoI3
P4 + C2H6 = PH3 + C3P4 =>
7 P4 + 6 C2H6 = 12 PH3 + 4 C3P4
NH3 + O2 = NN2 + H2O =>
12 NH3 + 9 O2 = 4 NN2 + 18 H2O
HClAgNO3 = HNO3 + AgCl =>
HClAgNO3 = HNO3 + AgCl
LiAlSi2O6 + CaO + Al2O3 = CaAl2Si2O8 + LiAlO2 =>
LiAlSi2O6 + CaO + Al2O3 = CaAl2Si2O8 + LiAlO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CrCl3 + K2SO3 + H2O = KCl + SO2 + Cr(OH)3 =>
2 CrCl3 + 3 K2SO3 + 3 H2O = 6 KCl + 3 SO2 + 2 Cr(OH)3
Cr(s) + S(s) = Cr2S3(s) =>
2 Cr(s) + 3 S(s) = Cr2S3(s)
NaBH4 + H2SO4 = H2 + Na2SO4 + B2H6 =>
2 NaBH4 + H2SO4 = 2 H2 + Na2SO4 + B2H6
CuCl2 + Br2 = CuBr + Cl2 =>
2 CuCl2 + Br2 = 2 CuBr + 2 Cl2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
C6H12N4 + H2O = H2CO + NH3 =>
C6H12N4 + 6 H2O = 6 H2CO + 4 NH3
GaBr3 + K = KBr + Ga =>
GaBr3 + 3 K = 3 KBr + Ga
CuS + KCl = CuCl2 + K2S =>
CuS + 2 KCl = CuCl2 + K2S
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe(NO3)2(aq) + NaI(aq) = FeI2(s) + NaNO3(aq) =>
Fe(NO3)2(aq) + 2 NaI(aq) = FeI2(s) + 2 NaNO3(aq)
HNO2 + CaO = Ca(OH)2 + N2O3 =>
2 HNO2 + CaO = Ca(OH)2 + N2O3
Cl2(l) + NaBr(aq) = Br2(l) + NaCl(aq) =>
Cl2(l) + 2 NaBr(aq) = Br2(l) + 2 NaCl(aq)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
K + Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
8 K + Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 4 K2SO4
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
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