| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Mg(NO3)2 + 10 NH3 = 12 H2O + 3 Mg(OH)2 + 16 N
C2H2O4 + CrCl5 = CrCl3 + CO2 + HCl =>
C2H2O4 + CrCl5 = CrCl3 + 2 CO2 + 2 HCl
NO2 = O2 + N2O3 =>
4 NO2 = O2 + 2 N2O3
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
Ni3O3 + Al = Ni + Al2O3 =>
Ni3O3 + 2 Al = 3 Ni + Al2O3
CaOH2 + H3PO4 = CaPO4 + H2OH3 =>
CaOH2 + H3PO4 = CaPO4 + H2OH3
Mg + Cu1O = Cu + MgO =>
Mg + Cu1O = Cu + MgO
Fe(s) + SnCl2 = FeCl + Sn =>
2 Fe(s) + SnCl2 = 2 FeCl + Sn
Pd + HNO3 + HCl = PdCl4 + NO + H2O =>
3 Pd + 4 HNO3 + 12 HCl = 3 PdCl4 + 4 NO + 8 H2O
CuCl2 + NaPO4 = Cu(PO4)2 + NaCl =>
CuCl2 + 2 NaPO4 = Cu(PO4)2 + 2 NaCl
KIO3 + HCI + KI = I2 + H2O + KCI =>
KIO3 + 6 HCI + 5 KI = 3 I2 + 3 H2O + 6 KCI
ZnO2 + K4Fe(CN)6 = Zn2[Fe(CN)6] + K2O2 =>
2 ZnO2 + K4Fe(CN)6 = Zn2[Fe(CN)6] + 2 K2O2
K2C2O7 + H2O + S = K2O + H2CO + SO2 =>
K2C2O7 + 2 H2O + 3 S = K2O + 2 H2CO + 3 SO2
PbBr2 + H2O = Pb(OH)2 + H2Br2 =>
PbBr2 + 2 H2O = Pb(OH)2 + H2Br2
C6H12O6 = C + H2O =>
C6H12O6 = 6 C + 6 H2O
KHCO3(heat) = K2CO3 + CO2 + H2O =>
2 KHCO3(heat) = K2CO3 + CO2 + H2O
SrN6 + HPN2 + P3N5 = SrHP3N6 + N2 =>
3 SrN6 + 3 HPN2 + 2 P3N5 = 3 SrHP3N6 + 8 N2
Ti + K2SO4 + H2SO4 = KTi(SO4)2 + H2 =>
2 Ti + K2SO4 + 3 H2SO4 = 2 KTi(SO4)2 + 3 H2
C3H6 + I2 = C3H5I + HI =>
C3H6 + I2 = C3H5I + HI
C14H10O2 + NaBH4 + CH3CH2OH = C7H14O2 + NaB(OCH2CH3)4 =>
12 C14H10O2 + 13 NaBH4 + 108 CH3CH2OH = 40 C7H14O2 + 13 NaB(OCH2CH3)4
Cr2(SO4)3 + H2O2 + Na2O = NaCrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 4 H2O2 + 4 Na2O = 2 NaCrO4 + 4 H2O + 3 Na2SO4
C5H9NO4 + NaOH = C5H8NO4Na + H2O =>
C5H9NO4 + NaOH = C5H8NO4Na + H2O
KOHCuO = CuOHKO =>
KOHCuO = CuOHKO
LiI + H3PO4 = Li3PO4 + HI =>
3 LiI + H3PO4 = Li3PO4 + 3 HI
Ca(CO3) + (HCl) = CO2 + HOH + CaCl2 =>
Ca(CO3) + 2(HCl) = CO2 + HOH + CaCl2
C5H12S + S = C + H2S =>
C5H12S + 5 S = 5 C + 6 H2S
C3H8O3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
3 C3H8O3 + 7 K2Cr2O7 + 28 H2SO4 = 7 Cr2(SO4)3 + 7 K2SO4 + 9 CO2 + 40 H2O
NaCl + H2O2 + FeCl2 = FeCl3 + NaOH =>
2 NaCl + H2O2 + 2 FeCl2 = 2 FeCl3 + 2 NaOH
Pb(NO3)2(ac) + CuCl2(ac) = PbCl2(s) + Cu(NO3)2(ac) =>
Pb(NO3)2(ac) + CuCl2(ac) = PbCl2(s) + Cu(NO3)2(ac)
Cu2O + H2O = Cu2(OH)2 =>
Cu2O + H2O = Cu2(OH)2
HBr + CaBr = H + CaBr2 =>
HBr + CaBr = H + CaBr2
FeI3 + Cl = FeCl3 + I =>
FeI3 + 3 Cl = FeCl3 + 3 I
Ga + FeCl2 = Fe + GaCl3 =>
2 Ga + 3 FeCl2 = 3 Fe + 2 GaCl3
K2HPO4H2O = K2OH3PO4 =>
K2HPO4H2O = K2OH3PO4
FeSO4 + NaCN = Fe(CN)2 + Na2SO4 =>
FeSO4 + 2 NaCN = Fe(CN)2 + Na2SO4
N2O2O2 = NO2 =>
N2O2O2 = 2 NO2
Br + C6H14 + NaCl = NaBr + CCl + H2 =>
6 Br + C6H14 + 6 NaCl = 6 NaBr + 6 CCl + 7 H2
H2 + C2H2 = CH3CH3 =>
2 H2 + C2H2 = CH3CH3
C2H5NH3Cl + HNO3 = C2H5NH3NO3 + HCl =>
C2H5NH3Cl + HNO3 = C2H5NH3NO3 + HCl
C6H5NHCOCH3 + HCl = H2O + C6H5NCCH3Cl =>
C6H5NHCOCH3 + HCl = H2O + C6H5NCCH3Cl
MnO4{-} + Fe2{-} + H{+} = Fe3{+} + Mn2{+} + H2O =>
10 MnO4{-} + 39 Fe2{-} + 80 H{+} = 26 Fe3{+} + 5 Mn2{+} + 40 H2O
BaCO3 + AlSO4 = BaSO4 + AlCO3 =>
BaCO3 + AlSO4 = BaSO4 + AlCO3
Al(OH)3 + C = CO2 + Al + H2O =>
4 Al(OH)3 + 3 C = 3 CO2 + 4 Al + 6 H2O
SnCl4 + HCl + NH3 = (NH4)2SnCl6 =>
SnCl4 + 2 HCl + 2 NH3 = (NH4)2SnCl6
AgNO + AlI3 = AgI + Al(NO)3 =>
3 AgNO + AlI3 = 3 AgI + Al(NO)3
Na + Cd(ClO4)2 = Na(ClO4)2 + Cd =>
Na + Cd(ClO4)2 = Na(ClO4)2 + Cd
Fe(s) + S(s) = Fe2S3(s) =>
2 Fe(s) + 3 S(s) = Fe2S3(s)
KReO4 + H2SO4 + Sb2(SO)4 = Re2(SO4)3 + K2SO4 + Sb2(SO4)5 + H2O =>
26 KReO4 + 56 H2SO4 + 4 Sb2(SO)4 = 13 Re2(SO4)3 + 13 K2SO4 + 4 Sb2(SO4)5 + 56 H2O
SnO2 + SO2 = SnS2 + O2 =>
SnO2 + 2 SO2 = SnS2 + 3 O2
HNO3 + Be(OH)2 = BeN2O6 + H2O =>
2 HNO3 + Be(OH)2 = BeN2O6 + 2 H2O
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