| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 I{-} + 2 NO2{-} + 4 H{+} = I2 + 2 NO + 2 H2O
NH3 + AgNO3 + H2O = AgOH + NH2NO3 =>
3 NH3 + 5 AgNO3 + 2 H2O = 5 AgOH + 4 NH2NO3
KClO2 + Na2Sn2O2 = KCl + NaSnO3 =>
2 KClO2 + Na2Sn2O2 = 2 KCl + 2 NaSnO3
Ca(OH)2 + H2SO4 = Ca(SO4) + H2O =>
Ca(OH)2 + H2SO4 = Ca(SO4) + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
P4S7 + O2 = P2O2 + SO2 =>
P4S7 + 9 O2 = 2 P2O2 + 7 SO2
HPO2 + AgOH = AgPO2 + H2O =>
HPO2 + AgOH = AgPO2 + H2O
AlBr3 + H2O = Al(OH)3 + H2 + Br2 =>
2 AlBr3 + 6 H2O = 2 Al(OH)3 + 3 H2 + 3 Br2
H3C6H5O7 + NaHCO3 = CO2 + NaC6H7O7 + H2O =>
H3C6H5O7 + NaHCO3 = CO2 + NaC6H7O7 + H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
H2S + KClO = KCl + SO2 + H2O =>
H2S + 3 KClO = 3 KCl + SO2 + H2O
HNO3 + Cu = Cu(NO3)2 + H2O + NO2 =>
4 HNO3 + Cu = Cu(NO3)2 + 2 H2O + 2 NO2
H2SO4 + Al(OH)3 = SO4Al(OH) + H2O =>
H2SO4 + Al(OH)3 = SO4Al(OH) + 2 H2O
HCl + KClO3 + SbCl3 = SbCl5 + KCl + H2O =>
6 HCl + KClO3 + 3 SbCl3 = 3 SbCl5 + KCl + 3 H2O
K(SO4) + HCl = KCl + H(SO4) =>
K(SO4) + HCl = KCl + H(SO4)
Na2S + Ag3NO = Na3NO + Ag2S =>
3 Na2S + 2 Ag3NO = 2 Na3NO + 3 Ag2S
NH42SO4 + Na2CrO4 = NH42CrO4 + Na2SO4 =>
NH42SO4 + Na2CrO4 = NH42CrO4 + Na2SO4
K2 + Al2 = K6Al22 =>
3 K2 + 11 Al2 = K6Al22
La4Ni3O10 + La2O3 = La3Ni2O7 + O2 =>
8 La4Ni3O10 + 2 La2O3 = 12 La3Ni2O7 + O2
HF + AgOH = AgF + H2O =>
HF + AgOH = AgF + H2O
NaHCO3 + CH3CO2H = CO2 + CH3CO2Na + H2O =>
NaHCO3 + CH3CO2H = CO2 + CH3CO2Na + H2O
C6H5COONa + NaOH = C6H5COOOH + Na =>
C6H5COONa + NaOH = C6H5COOOH + 2 Na
C6H5OCH3 + C5H6Br3N = C6H4BrOCH + HBr + C5H5NHBr =>
C6H5OCH3 + 2 C5H6Br3N = C6H4BrOCH + 3 HBr + 2 C5H5NHBr
K2CO3 + NaCl = K2Cl + NaCO3 =>
K2CO3 + NaCl = K2Cl + NaCO3
NH2CH2COOHNaOH = NH2CH2COONaH2O =>
NH2CH2COOHNaOH = NH2CH2COONaH2O
Na2O2(g) + H2O(l) = NaOH(ac) + H2O2(ac) =>
Na2O2(g) + 2 H2O(l) = 2 NaOH(ac) + H2O2(ac)
K2CO3 + CuSO4 = K2SO4 + CuCO3 =>
K2CO3 + CuSO4 = K2SO4 + CuCO3
Li + GdCl3 = Gd + LiCl =>
3 Li + GdCl3 = Gd + 3 LiCl
NH3 + CaMnO4 = N2 + MnO2 + CaOH + H2O =>
2 NH3 + 2 CaMnO4 = N2 + 2 MnO2 + 2 CaOH + 2 H2O
RbOH + Al = Rb + Al2O3 + H2 =>
6 RbOH + 4 Al = 6 Rb + 2 Al2O3 + 3 H2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
NaSO4 + BaCl2 = Na2Ba + Cl(SO4) =>
2 NaSO4 + BaCl2 = Na2Ba + 2 Cl(SO4)
Mg(NO3)2 + MgC2O4 + H2SO4 = MgSO4 + (NH4)2SO4 + CO2 + H2O =>
Mg(NO3)2 + 8 MgC2O4 + 10 H2SO4 = 9 MgSO4 + (NH4)2SO4 + 16 CO2 + 6 H2O
nonane + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
K2Cr2O7 + NH3 + H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + H2O =>
K2Cr2O7 + 2 NH3 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + 7 H2O
Sn(s) + O2(g) = SnO(s) =>
2 Sn(s) + O2(g) = 2 SnO(s)
Zr + Au = ZrAu2 =>
Zr + 2 Au = ZrAu2
CS(s) + S(s) = CS2(s) =>
CS(s) + S(s) = CS2(s)
K2S + CuSO4 + H2O = Cu(OH)2 + H2S + K2SO4 =>
K2S + CuSO4 + 2 H2O = Cu(OH)2 + H2S + K2SO4
Fe + Ag2O = Fe2O3 + Ag =>
2 Fe + 3 Ag2O = Fe2O3 + 6 Ag
H2O2 + H{+} + e = (H2O) =>
H2O2 + 2 H{+} + 2e = 2(H2O)
HNO2 + KMnO4 = HNO3 + Mn(NO3)2 + KOH + H2O =>
5 HNO2 + 2 KMnO4 = HNO3 + 2 Mn(NO3)2 + 2 KOH + H2O
Ni + Se = NiSe =>
Ni + Se = NiSe
CH3COONa*3H2O = HC2H3O2 + NaOH + H2O =>
CH3COONa*3H2O = HC2H3O2 + NaOH + 2 H2O
CrO3 + NaI + H2SO4 = Na2SO4 + I2 + Cr2(SO4)3 + H2O =>
2 CrO3 + 6 NaI + 6 H2SO4 = 3 Na2SO4 + 3 I2 + Cr2(SO4)3 + 6 H2O
Cr2O7{2-} + H{+} + Cu = Cr{3+} + H2O + Cu{2+} =>
Cr2O7{2-} + 14 H{+} + 3 Cu = 2 Cr{3+} + 7 H2O + 3 Cu{2+}
KNO3 + FeSO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + NO2 + H2O =>
2 KNO3 + 2 FeSO4 + 2 H2SO4 = K2SO4 + Fe2(SO4)3 + 2 NO2 + 2 H2O
FeSO4 + K2MnO4 + KOH = Fe(OH)3 + K3MnO4 + K2SO4 =>
FeSO4 + K2MnO4 + 3 KOH = Fe(OH)3 + K3MnO4 + K2SO4
K2Cr2O7 + BaCl2 + H2SO4 = Cl2 + Cr2(SO4)3 + BaSO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 BaCl2 + 7 H2SO4 = 3 Cl2 + Cr2(SO4)3 + 3 BaSO4 + K2SO4 + 7 H2O
H2S + Fe2O3 = FeO + H2O + S =>
H2S + Fe2O3 = 2 FeO + H2O + S
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