| Équations équilibrées la veille |
3 NaNO3 + Fe(OH)3 = 3 NaOH + Fe(NO3)3
H3BO3 + Cl = BCl3 + H2 + O2 =>
2 H3BO3 + 6 Cl = 2 BCl3 + 3 H2 + 3 O2
K2Cr2O7 + S + H2O = K2SO4 + H2CrO4 + H =>
K2Cr2O7 + S + 5 H2O = K2SO4 + 2 H2CrO4 + 6 H
CH3NH2 + HNO2 = CH3NH3NO2 =>
CH3NH2 + HNO2 = CH3NH3NO2
Al + Na2Cr2O7 + H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 Al + Na2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + Na2SO4 + 7 H2O
Nb + Nb2O5 + I2 = NbOI2 =>
3 Nb + Nb2O5 + 5 I2 = 5 NbOI2
PbO2 + NaCl + H2SO4 = Pb(HSO4)2 + Cl2 + NaHSO4 + H2O =>
PbO2 + 2 NaCl + 4 H2SO4 = Pb(HSO4)2 + Cl2 + 2 NaHSO4 + 2 H2O
PbH2O2 = Pb(OH)2 =>
PbH2O2 = Pb(OH)2
Mg(HCO3)2 + C6H8O6 = Mg(C6H7O6)2 + H2O + CO2 =>
Mg(HCO3)2 + 2 C6H8O6 = Mg(C6H7O6)2 + 2 H2O + 2 CO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
HCl + KMnO4 = Cl2 + KCl2 + MnCl + H2O =>
16 HCl + 2 KMnO4 = 5 Cl2 + 2 KCl2 + 2 MnCl + 8 H2O
CONH2(NH)NH2 + NaOH = Na2CO3 + NH3 + N2H4 =>
CONH2(NH)NH2 + 2 NaOH = Na2CO3 + NH3 + N2H4
Zn + Pb2NO3{-} = ZnNO3{-} + Pb2 =>
Zn + Pb2NO3{-} = ZnNO3{-} + Pb2
SO2 + Al = AlS + O2 =>
SO2 + Al = AlS + O2
CO2 + [Ca(OH)2] = CaCO3 + H2O =>
CO2 + [Ca(OH)2] = CaCO3 + H2O
HNO3 + CuH2O2 = Cu(NO3)2 + H2O =>
2 HNO3 + CuH2O2 = Cu(NO3)2 + 2 H2O
NO2(g) + H(g) = H2O + NH3 =>
NO2(g) + 7 H(g) = 2 H2O + NH3
CH4N2O + C12H22CaO14 = C12H26N2O12 + CaCO3 =>
CH4N2O + C12H22CaO14 = C12H26N2O12 + CaCO3
Na2SiO3(ac) + Cr2(SO4)3(s) = Cr2(SiO3)3(s) + Na2SO4(ac) =>
3 Na2SiO3(ac) + Cr2(SO4)3(s) = Cr2(SiO3)3(s) + 3 Na2SO4(ac)
C6H12O2 + O2 = CO2H2O =>
C6H12O2 + 8 O2 = 6 CO2H2O
(NH4)2S2O8 = NH3 + SO2 + H2S + O2 =>
(NH4)2S2O8 = 2 NH3 + SO2 + H2S + 3 O2
Fe + Br2 = FeBr23 =>
2 Fe + 23 Br2 = 2 FeBr23
KMnO4 + H2SO4 + NH4Br = K2SO4 + Br2 + MnSO4 + H2O + (NH4)2SO4 =>
2 KMnO4 + 8 H2SO4 + 10 NH4Br = K2SO4 + 5 Br2 + 2 MnSO4 + 8 H2O + 5(NH4)2SO4
H2SO4 + Ag2CO3 = CO2 + Ag2SO4 + H2O =>
H2SO4 + Ag2CO3 = CO2 + Ag2SO4 + H2O
CuSO4 = CuS + O2 =>
CuSO4 = CuS + 2 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2CO3 + Hg(O2CCH3)2 = NaO2C2H3 + HgCO3 =>
Na2CO3 + Hg(O2CCH3)2 = 2 NaO2C2H3 + HgCO3
CH3OHH2O = CH3OH3O =>
CH3OHH2O = CH3OH3O
Cu(NO3)2 + KMnO4 = CuO + MnO + KNO3 + O2 =>
2 Cu(NO3)2 + 4 KMnO4 = 2 CuO + 4 MnO + 4 KNO3 + 5 O2
KOH(aq) + AgNO3(aq) = KNO3(aq) + AgOH(s) =>
KOH(aq) + AgNO3(aq) = KNO3(aq) + AgOH(s)
NH3 + K = KNH3 =>
NH3 + K = KNH3
Rb(OH) + HClO4 = Rb(ClO4) + H2O =>
Rb(OH) + HClO4 = Rb(ClO4) + H2O
FeSO4 + H2SO4 + H2O2 + KSCN = Fe(SCN)3 + K2SO4 + H2O =>
2 FeSO4 + H2SO4 + H2O2 + 6 KSCN = 2 Fe(SCN)3 + 3 K2SO4 + 2 H2O
BrOH + HNO3 = BrNO3 + H2O =>
BrOH + HNO3 = BrNO3 + H2O
K2Cr2O7 + H2SO4 + NaI = NaSO4 + K + I2 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 4 NaI = 4 NaSO4 + 2 K + 2 I2 + Cr2(SO4)3 + 7 H2O
Ba(NO3)2 + C2H6O = BaO3 + CO2 + N2 + H2O =>
2 Ba(NO3)2 + C2H6O = 2 BaO3 + 2 CO2 + 2 N2 + 3 H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
K2CO3 + HF = KF + KHCO3 =>
K2CO3 + HF = KF + KHCO3
Cu(SCN)2 + SO2 + H2O = CuSCN + SCN{-} + SO4{2-} + H{+} =>
2 Cu(SCN)2 + SO2 + 2 H2O = 2 CuSCN + 2 SCN{-} + SO4{2-} + 4 H{+}
NO2 = N2O4 =>
2 NO2 = N2O4
C2H4O2 + C15H11O = C17H15O3 =>
C2H4O2 + C15H11O = C17H15O3
Fe(ch)2 + O2 + H2O = Fe(OH)3 =>
2 Fe(ch)2 + 3 O2 + 6 H2O = 4 Fe(OH)3
Mg(HNO3) = Mg(NO3) + H2 =>
2 Mg(HNO3) = 2 Mg(NO3) + H2
Ca(NO3)2*H2O + NH4H2PO4 + NH4OH = Ca10(PO4)6(OH)2 + NH4NO3 + H2O =>
10 Ca(NO3)2*H2O + 6 NH4H2PO4 + 14 NH4OH = Ca10(PO4)6(OH)2 + 20 NH4NO3 + 22 H2O
Sb2S3 + H3 = Sb + H2S =>
Sb2S3 + 2 H3 = 2 Sb + 3 H2S
HgCl + NH3 = Hg(NH2)Cl + Hg + NH4Cl =>
2 HgCl + 2 NH3 = Hg(NH2)Cl + Hg + NH4Cl
Fe2O3(a) + HNO3(aq) = Fe(NO3)3(aq) + H2O(l) =>
Fe2O3(a) + 6 HNO3(aq) = 2 Fe(NO3)3(aq) + 3 H2O(l)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cu + H2SO4 = Cu2(SO4)2 + H2O + S2O =>
10 Cu + 14 H2SO4 = 5 Cu2(SO4)2 + 14 H2O + 2 S2O
Cr(NO3)3 + H2O = HNO3 + Cr2O3 =>
2 Cr(NO3)3 + 3 H2O = 6 HNO3 + Cr2O3
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