| Équations équilibrées la veille |
PbS + 2 HCl = PbCl2 + H2S
Ca(OH)2 + Na2SiO3 = CaSiO3 + NaOH =>
Ca(OH)2 + Na2SiO3 = CaSiO3 + 2 NaOH
FeS + O2 + NaOH = FeOOH + Na2SO4 + H2O =>
4 FeS + 9 O2 + 8 NaOH = 4 FeOOH + 4 Na2SO4 + 2 H2O
Cs2O + Cl2O = CsClO =>
Cs2O + Cl2O = 2 CsClO
CO2 + Na2O = Na2CO3 =>
CO2 + Na2O = Na2CO3
[Cr(NH4CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + HOH =>
10[Cr(NH4CO)6]4[Cr(CN)6]3 + 936 KMnO4 + 1159 H2SO4 = 35 K2Cr2O7 + 936 MnSO4 + 420 CO2 + 420 KNO3 + 223 K2SO4 + 1639 HOH
BaO + Cl2 = BaCl + O2 =>
2 BaO + Cl2 = 2 BaCl + O2
C3H8N3O9 + O2 = CO2 + N2 + H2O =>
2 C3H8N3O9 + O2 = 6 CO2 + 3 N2 + 8 H2O
MnO4{-} + HC2O4 + H{+} = Mn{2+} + CO2 + H2O =>
MnO4{-} + 5 HC2O4 + 3 H{+} = Mn{2+} + 10 CO2 + 4 H2O
H3PO3 + K2Cr2O7 + H2SO4 = H3PO4 + K2SO4 + Cr2(SO4)2 + H2O =>
4 H3PO3 + K2Cr2O7 + 3 H2SO4 = 4 H3PO4 + K2SO4 + Cr2(SO4)2 + 3 H2O
O2 + KCl = KO2 + Cl =>
O2 + KCl = KO2 + Cl
H2 + TiO3 + Al(OH)3 = AlTiO3 + H2O =>
3 H2 + 2 TiO3 + 2 Al(OH)3 = 2 AlTiO3 + 6 H2O
(NH4)2HPO4 + HCl = NH4Cl + H2PO4 + H2 =>
2(NH4)2HPO4 + 4 HCl = 4 NH4Cl + 2 H2PO4 + H2
F + FeBr3 = FBr + Fe =>
3 F + FeBr3 = 3 FBr + Fe
NaHCO33 + HC2H3O = NaC2H3O2 + H2O + CO2 =>
5 NaHCO33 + 34 HC2H3O = 5 NaC2H3O2 + 63 H2O + 63 CO2
FeSO4 + NH3 = Fe(NH3)SO4 =>
FeSO4 + NH3 = Fe(NH3)SO4
AlCl3 + NH3 = AlN + HCl =>
AlCl3 + NH3 = AlN + 3 HCl
K{+} + S{2-} = K{2-} + S{+} =>
K{+} + S{2-} = K{2-} + S{+}
NiCl2 + NH3 = NiNH3 + Cl =>
NiCl2 + NH3 = NiNH3 + 2 Cl
Rb + CaC = Ca + RbC =>
Rb + CaC = Ca + RbC
(HCl) + NaOH = NaCl + H2O =>
(HCl) + NaOH = NaCl + H2O
H2SO4 + CaSO3 = H2SO3 + CaSO4 =>
H2SO4 + CaSO3 = H2SO3 + CaSO4
CH3NH2 + CH3Cl = NHCH3CH3 + HCl =>
CH3NH2 + CH3Cl = NHCH3CH3 + HCl
C6H5OH + Br2 = C6H2OHBr3 + HBr =>
C6H5OH + 3 Br2 = C6H2OHBr3 + 3 HBr
Co(OH)2 + HNO3 = Co(NO3)2 + H2O =>
Co(OH)2 + 2 HNO3 = Co(NO3)2 + 2 H2O
H2O + As + HClO3 = HClO + H3AsO3 =>
6 H2O + 4 As + 3 HClO3 = 3 HClO + 4 H3AsO3
Na3PO4 + MnCl2 = Mn3(PO4)2 + NaCl =>
2 Na3PO4 + 3 MnCl2 = Mn3(PO4)2 + 6 NaCl
*Li2O + CO2 = Li2CO3 =>
*Li2O + CO2 = Li2CO3
Sn + NaOH + H2O = H2 + NaSn(OH)2 =>
2 Sn + 2 NaOH + 2 H2O = H2 + 2 NaSn(OH)2
K3N + H2O + HCl = NH4Cl + KOH =>
K3N + 3 H2O + HCl = NH4Cl + 3 KOH
CrCl3 + H2O2 + Na = Na2CrO4 + NaCl + H2O =>
CrCl3 + 4 H2O2 + 5 Na = Na2CrO4 + 3 NaCl + 4 H2O
(NiOH)2SO4 + NH4OH = [Ni(NH3)6]SO4 + [Ni(NH3)6](OH)2 + H2O =>
(NiOH)2SO4 + 12 NH4OH = [Ni(NH3)6]SO4 + [Ni(NH3)6](OH)2 + 12 H2O
C2H4Br2 + H2 = C2H5Br + HBr =>
C2H4Br2 + H2 = C2H5Br + HBr
Zn(NO3)2(aq) + NH3(aq) = Zn(NH3)2(aq) + NO3(aq) =>
Zn(NO3)2(aq) + 2 NH3(aq) = Zn(NH3)2(aq) + 2 NO3(aq)
Mg(CH3COO)2 + HCl = MgCl2 + HCH3COO =>
Mg(CH3COO)2 + 2 HCl = MgCl2 + 2 HCH3COO
(HCOO)2Ca + (CH3COO)2Ca = CH3CHO + CaCO3 =>
(HCOO)2Ca + (CH3COO)2Ca = 2 CH3CHO + 2 CaCO3
HC6H7O6 + NaOH = H2O + NaC6H7O6 =>
HC6H7O6 + NaOH = H2O + NaC6H7O6
P4 + C2 = PC3 =>
P4 + 6 C2 = 4 PC3
C2H2 + O2 = (CO2) + (H2O) =>
2 C2H2 + 5 O2 = 4(CO2) + 2(H2O)
CuSO4 + NH3 + H2O = [Cu(NH3)4(H2O)2]SO4 =>
CuSO4 + 4 NH3 + 2 H2O = [Cu(NH3)4(H2O)2]SO4
Cu + CaO = CuO + Ca =>
Cu + CaO = CuO + Ca
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Fe + NaClO + NaOH = Na2FeO4 + NaCl + H2O =>
Fe + 3 NaClO + 2 NaOH = Na2FeO4 + 3 NaCl + H2O
HNO3 + FeO2 = Fe(NO3)2 + H2O + O2 =>
4 HNO3 + 2 FeO2 = 2 Fe(NO3)2 + 2 H2O + O2
BaI2 + (NH4)2CO3 = BaCO3 + NH4I =>
BaI2 + (NH4)2CO3 = BaCO3 + 2 NH4I
CH3CHCH2 + CO + H2 = CH3CH(OH)CH3 =>
2 CH3CHCH2 + 3 CO + 6 H2 = 3 CH3CH(OH)CH3
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
KNO2 + Ni(NO3)2*6H2O = K4[Ni(NO2)6]H2O + O2 + HH2O =>
24 KNO2 + 6 Ni(NO3)2*6H2O = 6 K4[Ni(NO2)6]H2O + 11 O2 + 20 HH2O
Ag2CrO4 + H{+} = Ag{+} + Cr2O7{2-} + H2O =>
2 Ag2CrO4 + 2 H{+} = 4 Ag{+} + Cr2O7{2-} + H2O
S + KOH = K2S + K2SO4 + H2O =>
4 S + 8 KOH = 3 K2S + K2SO4 + 4 H2O
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