| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaI2 + Na3PO4 = BaPO4 + Na3I2
Ca(CH3COO)2(aq) + AgF(aq) = AgCH3COO + CaF2 =>
Ca(CH3COO)2(aq) + 2 AgF(aq) = 2 AgCH3COO + CaF2
Br + KCl = ClBr + K =>
Br + KCl = ClBr + K
Sc + Cl2 = ScCl3 =>
2 Sc + 3 Cl2 = 2 ScCl3
HPO4 + HCOO = H2PO4 + COO =>
HPO4 + HCOO = H2PO4 + COO
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
Pb + Na2(CO3) = Pb(CO3) + Na =>
Pb + Na2(CO3) = Pb(CO3) + 2 Na
HBr + J2 = Br2 + HJ =>
2 HBr + J2 = Br2 + 2 HJ
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
CaY2 + H2O = Ca(OH)2 + Y + H2 =>
CaY2 + 2 H2O = Ca(OH)2 + 2 Y + H2
K2CO3 + H2CO3 = K(CO3)2 + H =>
K2CO3 + 3 H2CO3 = 2 K(CO3)2 + 6 H
NaCIO = NaCIO3 + NaCI =>
3 NaCIO = NaCIO3 + 2 NaCI
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Hg2S2 + Ca2O2 = Hg + Ca2S2 + Ca2(SO4)2 =>
4 Hg2S2 + 4 Ca2O2 = 8 Hg + 3 Ca2S2 + Ca2(SO4)2
C2H5OH + Al = (C2H5O)3Al + H2 =>
6 C2H5OH + 2 Al = 2(C2H5O)3Al + 3 H2
(NH4)2SO4 + NaOH = NH4OH + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH4OH + Na2SO4
H2SO4 + P2O3 + H2O = H3PO4 + SO2 =>
2 H2SO4 + P2O3 + H2O = 2 H3PO4 + 2 SO2
H2S + FeCl3 + KMnO4 = FeS + S + KCl + MnCl2 + H2O =>
4 H2S + FeCl3 + KMnO4 = FeS + 3 S + KCl + MnCl2 + 4 H2O
Hg + HCl = HgCl2 + H =>
Hg + 2 HCl = HgCl2 + 2 H
C5H5NHCl = C5H5NH + Cl =>
C5H5NHCl = C5H5NH + Cl
VOSO4 + KMnO4 + H2SO4 = VO2SO4 + MnSO4 + H2O + K2SO4 =>
5 VOSO4 + 2 KMnO4 + 3 H2SO4 = 5 VO2SO4 + 2 MnSO4 + 3 H2O + K2SO4
HCl + C10H7O2 + NaOH = NaCl + H3O + HC20 =>
HCl + 2 C10H7O2 + NaOH = NaCl + 5 H3O + HC20
Al(NO3)3 + NH3 + *H2O = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH3 + 3*H2O = Al(OH)3 + 3 NH4NO3
[C6H8N2] + Sb2O3 + HBr = (C6H8N2)3SbBr3 + H2O =>
6[C6H8N2] + Sb2O3 + 6 HBr = 2(C6H8N2)3SbBr3 + 3 H2O
Sr(NO3)2 + NH4HCO3 = SrCO3 + NH4NO3 + CO2 + H2O =>
Sr(NO3)2 + 2 NH4HCO3 = SrCO3 + 2 NH4NO3 + CO2 + H2O
Ca(s) + H2O(l) = Ca2O3(s) + H2(g) =>
2 Ca(s) + 3 H2O(l) = Ca2O3(s) + 3 H2(g)
PH3 + HClO3 = HCl + H3PO3 =>
PH3 + HClO3 = HCl + H3PO3
Ca + Ag(NO3)2 = Ag + Ca(NO3)2 =>
Ca + Ag(NO3)2 = Ag + Ca(NO3)2
Fe{3+} + H2PO4{-} = FePO4 + H{+} =>
Fe{3+} + H2PO4{-} = FePO4 + 2 H{+}
C2H3NaO2 + HCl = NaCl + CH3COOH =>
C2H3NaO2 + HCl = NaCl + CH3COOH
C4H9OH + KMnO4 + H2SO4 = C3H7COH + MnSO4 + K2SO4 + H2O =>
5 C4H9OH + 2 KMnO4 + 3 H2SO4 = 5 C3H7COH + 2 MnSO4 + K2SO4 + 8 H2O
C60H87O23N12P + O2 = CO2 + H2O + NH3 + PH2 =>
4 C60H87O23N12P + 243 O2 = 240 CO2 + 98 H2O + 48 NH3 + 4 PH2
CH3CHClCH3 + KCN = CH3CH(CH3)CN + KCl =>
CH3CHClCH3 + KCN = CH3CH(CH3)CN + KCl
CuBr2 + Cl2 = CuCl2 + Br2 =>
CuBr2 + Cl2 = CuCl2 + Br2
Cu + CuO = Cu4O =>
3 Cu + CuO = Cu4O
Pb(C2H3)4 + O2 = CO2 + H2O + PbO2 =>
Pb(C2H3)4 + 12 O2 = 8 CO2 + 6 H2O + PbO2
Li2CO3 + HNO3 = LiNO3 + H2CO3 =>
Li2CO3 + 2 HNO3 = 2 LiNO3 + H2CO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
CH3COOH + SOCl2 = CH3COCl + SO2 + HCl =>
CH3COOH + SOCl2 = CH3COCl + SO2 + HCl
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
C14H18N2O5 + H2O = C4H7NO4 + CH3OH + C6H5CH2CHOOH =>
11 C14H18N2O5 + 87 H2O = 22 C4H7NO4 + 50 CH3OH + 2 C6H5CH2CHOOH
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
C12H12N2 + Cu{2+} + CN({-}) = C12H12N2{2+} + CuCN =>
C12H12N2 + 2 Cu{2+} + 2 CN({-}) = C12H12N2{2+} + 2 CuCN
Ag(H2O)2 + NH3 = Ag(NH3)2 + H2O =>
Ag(H2O)2 + 2 NH3 = Ag(NH3)2 + 2 H2O
Na + Li = NaLi =>
Na + Li = NaLi
(NH4)2Cr2O7 = NH4{+} + Cr2O7{-2} =>
(NH4)2Cr2O7 = 2 NH4{+} + Cr2O7{-2}
C3H6 + S8 = C6H6 + H2S =>
16 C3H6 + 3 S8 = 8 C6H6 + 24 H2S
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