| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cd + H3PO4 = CdPO4 + H3
H2PtCl6 + KI = K2PtCl6 + HI =>
H2PtCl6 + 2 KI = K2PtCl6 + 2 HI
Sn3(NO)4 + Mg = Mg(NO)4 + Sn =>
Sn3(NO)4 + Mg = Mg(NO)4 + 3 Sn
Cu(No3)2 + KI(aq) = CuI(s) + I2(s) + KNo3(aq) =>
2 Cu(No3)2 + 4 KI(aq) = 2 CuI(s) + I2(s) + 4 KNo3(aq)
K2CO3(aq)Ba(NO3)2(aq) = K2(NO3)2BaCO3 =>
K2CO3(aq)Ba(NO3)2(aq) = K2(NO3)2BaCO3
Fe2S3 + O2 = SO2 + FeO2 =>
Fe2S3 + 5 O2 = 3 SO2 + 2 FeO2
CrCl3 + NH4Cl + H2O = [Cr(H2O)4(NH3)2]Cl3 + HCl =>
CrCl3 + 2 NH4Cl + 4 H2O = [Cr(H2O)4(NH3)2]Cl3 + 2 HCl
S + H2O = H2S + O =>
S + H2O = H2S + O
Br{-} + HNO3 + H{+} = Br2 + NO2 + H2O =>
2 Br{-} + 2 HNO3 + 2 H{+} = Br2 + 2 NO2 + 2 H2O
Fe(NO3)3 + Na2CrO4 = Fe2(CrO4)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2CrO4 = Fe2(CrO4)3 + 6 NaNO3
Li2CO3 + HI = LiI + H2CO3 =>
Li2CO3 + 2 HI = 2 LiI + H2CO3
FeCl3 + NH3OH = FeOH + NH3Cl3 =>
FeCl3 + NH3OH = FeOH + NH3Cl3
Ba(H2PO4)2 = Ba + H2PO4 =>
Ba(H2PO4)2 = Ba + 2 H2PO4
Pb2S + O = Pb2O + SO2 =>
Pb2S + 3 O = Pb2O + SO2
AsNo3 + Cu = Cu(No3)2 + As =>
2 AsNo3 + Cu = Cu(No3)2 + 2 As
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe(SO4)4 + MnSO4 + HNO3 + CO2 + H2O =>
5 K4Fe(CN)6 + 66 KMnO4 + 172 H2SO4 = 86 KHSO4 + 5 Fe(SO4)4 + 66 MnSO4 + 30 HNO3 + 30 CO2 + 114 H2O
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
ZnSO4 + NaNO3 = Na2SO4 + Zn(NO3)2 =>
ZnSO4 + 2 NaNO3 = Na2SO4 + Zn(NO3)2
LiH2PO4 + MgCO3Mg(OH)2*3H2O = Li2MgP2O7 + H2O + CO2 =>
4 LiH2PO4 + MgCO3Mg(OH)2*3H2O = 2 Li2MgP2O7 + 8 H2O + CO2
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Ba3(PO4)2 = Ba + (PO4)2 =>
Ba3(PO4)2 = 3 Ba + (PO4)2
Na2O + Al = NaAlO2 + Na =>
2 Na2O + Al = NaAlO2 + 3 Na
Na2MoO4 + SnCl2 + HCl = Mo5O14 + NaCl + H2O + H2SnCl6 =>
5 Na2MoO4 + SnCl2 + 14 HCl = Mo5O14 + 10 NaCl + 6 H2O + H2SnCl6
C3H6OS2 + O2 = C02 + H2O + SO2 =>
2 C3H6OS2 + 6 O2 = 3 C02 + 6 H2O + 4 SO2
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H12 + Br2 = C6H12Br2 =>
C6H12 + Br2 = C6H12Br2
K + P = K9P =>
9 K + P = K9P
Cu2CO3 = Cu + CO2 + O2 =>
2 Cu2CO3 = 4 Cu + 2 CO2 + O2
C2H2O4 + KMnO4 + H3PO4 = CO2 + K3PO4 + Mn3(PO4)2 + H2O =>
15 C2H2O4 + 6 KMnO4 + 6 H3PO4 = 30 CO2 + 2 K3PO4 + 2 Mn3(PO4)2 + 24 H2O
Pb(C2H3O2)2 + K = K(C2H3O2)2 + Pb =>
Pb(C2H3O2)2 + K = K(C2H3O2)2 + Pb
Cu(II)SO3 + Fe(III) = Fe(III)SO3 + Cu(II) =>
Cu(II)SO3 + Fe(III) = Fe(III)SO3 + Cu(II)
AlPO4 + Zn = ZnPO4 + Al =>
AlPO4 + Zn = ZnPO4 + Al
Zn(OH)2 + CaCO3 = ZnCO3 + Ca(OH)2 =>
Zn(OH)2 + CaCO3 = ZnCO3 + Ca(OH)2
C5H5N + H2O = C5H5NH + OH =>
C5H5N + H2O = C5H5NH + OH
C6H4(CO)2O + C6H6O2 = C20H12O5 + H2O =>
C6H4(CO)2O + 2 C6H6O2 = C20H12O5 + 2 H2O
Pb + I = PbI =>
Pb + I = PbI
Ag2O = Ag9 + O =>
9 Ag2O = 2 Ag9 + 9 O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CO2(g) + CaSiO3(s) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq) =>
2 CO2(g) + CaSiO3(s) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq)
C5H12ClPO2 + C6H15NS = C11H26NO2PS + HCl =>
C5H12ClPO2 + C6H15NS = C11H26NO2PS + HCl
Si + NaOH + H2O = Na2SiO3 + H2 =>
Si + 2 NaOH + H2O = Na2SiO3 + 2 H2
Fe + FeO2 + H2SO4 = FeSO4 + H2O =>
Fe + FeO2 + 2 H2SO4 = 2 FeSO4 + 2 H2O
VI3 + Na2(CO3) = V + NaI + CO3 =>
2 VI3 + 3 Na2(CO3) = 2 V + 6 NaI + 3 CO3
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
Hg + Ca(NO3)2 = Hg(NO3)2 + Ca =>
Hg + Ca(NO3)2 = Hg(NO3)2 + Ca
Pb(NO3)2 + BaCl = Ba(NO3)2 + PbCl =>
Pb(NO3)2 + BaCl = Ba(NO3)2 + PbCl
Ca(OH)2(aq) + CO2(g) = Ca2O2 + C(OH)4 =>
2 Ca(OH)2(aq) + CO2(g) = Ca2O2 + C(OH)4
Al(s) + Au(NO3)3(aq) = Al(NO3)3(aq) + Au3(s) =>
3 Al(s) + 3 Au(NO3)3(aq) = 3 Al(NO3)3(aq) + Au3(s)
Sr(OH)2 + HCl = SrCl2 + H2O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2O
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