| Équations équilibrées la veille |
2 MgB2 = Mg2 + 4 B
Cu(OH)2 + HNO3 = CuOHNO3 + H + O =>
Cu(OH)2 + HNO3 = CuOHNO3 + 2 H + O
C8H8O2 + C3H6O + C5H8O4 = C26H30O8 =>
79 C8H8O2 + 26 C3H6O + 14 C5H8O4 = 30 C26H30O8
FeSFeS2 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
FeSFeS2 + 12 H2SO4 = Fe2(SO4)3 + 12 SO2 + 12 H2O
CuBr2 + (NH4)2CO3 = Cu2CO3 + NH4Br2 =>
2 CuBr2 + (NH4)2CO3 = Cu2CO3 + 2 NH4Br2
Cu(OH)2 + HNO3 = CuOHNO3 + H + O =>
Cu(OH)2 + HNO3 = CuOHNO3 + 2 H + O
SrCO3 + HI = SrI2 + H2CO3 =>
SrCO3 + 2 HI = SrI2 + H2CO3
Cu(OH)2 + HNo3 = Cu(No3)2 + H2O =>
Cu(OH)2 + 2 HNo3 = Cu(No3)2 + 2 H2O
Sb2S3 + O2 = Sb + SO2 =>
Sb2S3 + 3 O2 = 2 Sb + 3 SO2
C2H2 + KMnO4 + KOH = COOKCOOK + K2MnO4 + H2O =>
C2H2 + 8 KMnO4 + 10 KOH = COOKCOOK + 8 K2MnO4 + 6 H2O
Ca(OH)2 + (HNO3) = Ca(NO3)2 + H2 + O =>
Ca(OH)2 + 2(HNO3) = Ca(NO3)2 + 2 H2 + 2 O
Cr(NO3)3*7H2O + NaOH = Cr(OH)3 + NaNO3 + H2O =>
Cr(NO3)3*7H2O + 3 NaOH = Cr(OH)3 + 3 NaNO3 + 7 H2O
Fe3 + MgO = Fe3MgO =>
Fe3 + MgO = Fe3MgO
CH3COOH + Zn(OH)2 = Zn(CH3COO)2 + H2 + O2 =>
2 CH3COOH + Zn(OH)2 = Zn(CH3COO)2 + 2 H2 + O2
BrSO4 + HCl = BrClSO4 + H2 =>
2 BrSO4 + 2 HCl = 2 BrClSO4 + H2
Cu(OH)2 + HNO3 = CuOHNO3 + H + O =>
Cu(OH)2 + HNO3 = CuOHNO3 + 2 H + O
Fe2O3 + NaOH + KNO3 = KNa3FeNO3 + H + O =>
Fe2O3 + 6 NaOH + 2 KNO3 = 2 KNa3FeNO3 + 6 H + 9 O
C20H20N2O5 + O2 = HNO3 + CO2 + H2O =>
C20H20N2O5 + 25 O2 = 2 HNO3 + 20 CO2 + 9 H2O
HCl + H2O = H3OCl =>
HCl + H2O = H3OCl
Cu(OH)2 + HNO3 = CuOHNO3 + H + O =>
Cu(OH)2 + HNO3 = CuOHNO3 + 2 H + O
Zn(l) + Cu2S = ZnS + Cu =>
Zn(l) + Cu2S = ZnS + 2 Cu
CH3 + NH3 + O2 = HCN + H2O =>
4 CH3 + 4 NH3 + 5 O2 = 4 HCN + 10 H2O
C10H15NO + C8H10N4O2 + C2H5OH + Na = C20H30N5O3 + NaOH =>
C10H15NO + C8H10N4O2 + C2H5OH + Na = C20H30N5O3 + NaOH
Mg3(PO4)2 + SiO2 = P4O10 + MgSiO3 =>
2 Mg3(PO4)2 + 6 SiO2 = P4O10 + 6 MgSiO3
Na2S + H2SO4 = Na2SO4 + SO2 + H2O =>
Na2S + 4 H2SO4 = Na2SO4 + 4 SO2 + 4 H2O
ZnSO3 + HNO3 = Zn(NO3)2 + H2O + SO2 =>
ZnSO3 + 2 HNO3 = Zn(NO3)2 + H2O + SO2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C6H3(COOK)3 + KOH = C6H6 + K2CO3 =>
C6H3(COOK)3 + 3 KOH = C6H6 + 3 K2CO3
Pb + HBr = PbBr2 + H2 =>
Pb + 2 HBr = PbBr2 + H2
H3PO3 + B2(CO3)3 = BPO3 + H2O + CO2 =>
2 H3PO3 + B2(CO3)3 = 2 BPO3 + 3 H2O + 3 CO2
LiSO3 + H2 = LiOH + SO2 =>
2 LiSO3 + H2 = 2 LiOH + 2 SO2
SiO2CaCl2 = SiCl2CaO2 =>
SiO2CaCl2 = SiCl2CaO2
C16 + H22 + O11 = C12H22O11 =>
3 C16 + 4 H22 + 4 O11 = 4 C12H22O11
FeCl3 + MgCO3 + H2O = Fe(OH)3 + MgCl2 + CO2 =>
2 FeCl3 + 3 MgCO3 + 3 H2O = 2 Fe(OH)3 + 3 MgCl2 + 3 CO2
H2SO4(aq) + LiOH(aq) = H2O(l) + Li2SO4(aq) =>
H2SO4(aq) + 2 LiOH(aq) = 2 H2O(l) + Li2SO4(aq)
AgCl(s) + NH4OH = Ag(NH3)Cl + H2O =>
AgCl(s) + NH4OH = Ag(NH3)Cl + H2O
Fe + MnO2 = Fe2O3 + Mn =>
4 Fe + 3 MnO2 = 2 Fe2O3 + 3 Mn
H(C2H4O2) + NH4(OH)(aq) = NH4(C2H4O2)(aq) + H2O =>
H(C2H4O2) + NH4(OH)(aq) = NH4(C2H4O2)(aq) + H2O
H3PO3 + K2Cr2O7 + H2SO4 = H3PO4 + K2SO4 + Cr2(SO4)2 + H2O =>
4 H3PO3 + K2Cr2O7 + 3 H2SO4 = 4 H3PO4 + K2SO4 + Cr2(SO4)2 + 3 H2O
C10H19O + HOCl = C10H17O + H2O + Cl =>
C10H19O + 2 HOCl = C10H17O + 2 H2O + 2 Cl
Cs(OH2) + HCl = CsCl + H(OH2) =>
Cs(OH2) + HCl = CsCl + H(OH2)
CH3CSNH2 + H2O = CH3COONH4 + H2S =>
CH3CSNH2 + 2 H2O = CH3COONH4 + H2S
AlBr3(s) = Al(s) + Br2(l) =>
2 AlBr3(s) = 2 Al(s) + 3 Br2(l)
NO3{-} + C7H8 + H{+} = CO2 + H2O + N2 =>
36 NO3{-} + 5 C7H8 + 36 H{+} = 35 CO2 + 38 H2O + 18 N2
H2(SO4) + (NH4)OH = (NH4)2(SO4) + H2O =>
H2(SO4) + 2(NH4)OH = (NH4)2(SO4) + 2 H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
Cu8 + O2 = CuO =>
Cu8 + 4 O2 = 8 CuO
Ca(NO3)2 + K2(Cr2O7) = Ca(Cr2O7) + K(NO3) =>
Ca(NO3)2 + K2(Cr2O7) = Ca(Cr2O7) + 2 K(NO3)
Cu(NO3)2 + AgBr = CuBr2 + AgNO3 =>
Cu(NO3)2 + 2 AgBr = CuBr2 + 2 AgNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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