| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al(NO3)3 + 3 Na2CO3 = Al2(CO3)3 + 3 Na2 + 6 NO3
CH4 + O3 = CO2 + H2O =>
3 CH4 + 4 O3 = 3 CO2 + 6 H2O
FeS2(s) + HCl(aq) = FeCl2(aq) + H2S(g) + S(s) =>
FeS2(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g) + S(s)
H2 + CH3OH = CH3 + H2O =>
H2 + 2 CH3OH = 2 CH3 + 2 H2O
HNO3 + Cl2 = HCl + NO3 =>
2 HNO3 + Cl2 = 2 HCl + 2 NO3
NaBr + K2Cr2O7 + H2SO4 = Br2 + NaSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
6 NaBr + 2 K2Cr2O7 + 14 H2SO4 = 3 Br2 + 6 NaSO4 + 2 K2SO4 + 2 Cr2(SO4)3 + 14 H2O
Na2Cr2O7 + Na2S + H2O = Cr(OH)3 + Na2S2O3 + NaOH =>
4 Na2Cr2O7 + 6 Na2S + 19 H2O = 8 Cr(OH)3 + 3 Na2S2O3 + 14 NaOH
MgSO4*7H2O + CaCl2*2H2O = CaSO4 + MgCl2 + H2O =>
MgSO4*7H2O + CaCl2*2H2O = CaSO4 + MgCl2 + 9 H2O
Ag2SO4 + AlCl3 = Ag2SO4AlCl3 =>
Ag2SO4 + AlCl3 = Ag2SO4AlCl3
Ba{2+} + CH3COO{-} = C4H6BaO4 =>
Ba{2+} + 2 CH3COO{-} = C4H6BaO4
NH4PF6 + Li = LiPF6 + NH3 + H2 =>
2 NH4PF6 + 2 Li = 2 LiPF6 + 2 NH3 + H2
MnO + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO + 2 KClO3 + 6 KOH = 3 K2MnO4 + 2 KCl + 3 H2O
I2 + CaCl2 = ICl2 + Ca =>
I2 + 2 CaCl2 = 2 ICl2 + 2 Ca
KOH + H2S = K2S + (H3)2(O)3 =>
6 KOH + 3 H2S = 3 K2S + 2(H3)2(O)3
CrI3 + KOH + Cl2 = H2O + K2CrO4 + KCl + KIO3 =>
2 CrI3 + 52 KOH + 21 Cl2 = 26 H2O + 2 K2CrO4 + 42 KCl + 6 KIO3
H3NO3S + NaOH = NaSO3 + H2O + NH2 =>
H3NO3S + NaOH = NaSO3 + H2O + NH2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
H2SO3 + BaO = BaSO3H2O =>
H2SO3 + BaO = BaSO3H2O
Cl2 + MgF2 = Cl2F2 + Mg =>
Cl2 + MgF2 = Cl2F2 + Mg
Fe + HCH3CO2 = Fe(CH3CO2)3 + H2 =>
2 Fe + 6 HCH3CO2 = 2 Fe(CH3CO2)3 + 3 H2
V2O5 + H2C2O4 = VO(C2O4) + CO2 + H2O =>
V2O5 + 3 H2C2O4 = 2 VO(C2O4) + 2 CO2 + 3 H2O
MgCaCO3 = MgCO3Ca =>
MgCaCO3 = MgCO3Ca
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2O + OH{-} + NiO2 + S2O3{2-} = SO3{2-} + Ni(OH)2 =>
H2O + 2 OH{-} + 2 NiO2 + S2O3{2-} = 2 SO3{2-} + 2 Ni(OH)2
Al(OH)3(t) = Al2O3 + H2O =>
2 Al(OH)3(t) = Al2O3 + 3 H2O
e + MnO4{-} + H{+} = Mn{2+} + H2O =>
5e + MnO4{-} + 8 H{+} = Mn{2+} + 4 H2O
NH3H20 = NH3*H20 =>
NH3H20 = NH3*H20
Zn2 = Zn =>
Zn2 = 2 Zn
BeSO4 + AgNO3 = Ag(SO4) + BeNO3 =>
BeSO4 + AgNO3 = Ag(SO4) + BeNO3
NiAl + O2 = AlO + NiO =>
NiAl + O2 = AlO + NiO
HAsO32{-} + S2O82{-} + H2O = H2AsO4{-} + SO42{-} + H{+} =>
HAsO32{-} + 19 S2O82{-} + 10 H2O = H2AsO4{-} + 38 SO42{-} + 19 H{+}
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
CoSO4*7H2O(l) = CoSO4(s) + H2O(l) =>
CoSO4*7H2O(l) = CoSO4(s) + 7 H2O(l)
Br2O3 = Br + O2 =>
2 Br2O3 = 4 Br + 3 O2
Cl + NH3 + KOH = KCl + KNO3 + H2O =>
8 Cl + NH3 + 9 KOH = 8 KCl + KNO3 + 6 H2O
B + H2S = BS + H2 =>
B + H2S = BS + H2
C2H5COONa + H2O = C2H6 + CO2 + NaOH =>
C2H5COONa + H2O = C2H6 + CO2 + NaOH
Ca + ZnCl2 = Cl2Ca + Zn =>
Ca + ZnCl2 = Cl2Ca + Zn
H2O + SbCl3 = SbClO + HCl =>
H2O + SbCl3 = SbClO + 2 HCl
Ca2(aq) + HCO3(aq) = CaCO3 + CO2(aq) + H2O =>
Ca2(aq) + 4 HCO3(aq) = 2 CaCO3 + 2 CO2(aq) + 2 H2O
NaCl + Bi(NO3)3 = BiCl3 + Na3(NO3)3 =>
3 NaCl + Bi(NO3)3 = BiCl3 + Na3(NO3)3
C17H33COOH + NaCl = C17H33COONa + HCl =>
C17H33COOH + NaCl = C17H33COONa + HCl
NO2 + NaOH = NaNO2 + NaNO3 + H2O =>
2 NO2 + 2 NaOH = NaNO2 + NaNO3 + H2O
Cr3O2(s) = Cr2(s) + O2(g) =>
2 Cr3O2(s) = 3 Cr2(s) + 2 O2(g)
Cu*CO3 = CuCO3 =>
Cu*CO3 = CuCO3
Cu + HF = CuHF =>
Cu + HF = CuHF
C2H5ClAgNO3 = C2H5NO3AgCl =>
C2H5ClAgNO3 = C2H5NO3AgCl
C7H1203 + O2 = CO2 + H2O =>
4 C7H1203 + 1231 O2 = 28 CO2 + 2406 H2O
Na2S2O3 + O2 = Na2SO4 + SO2 =>
2 Na2S2O3 + 3 O2 = 2 Na2SO4 + 2 SO2
Sn(CO3)2 + H2SO3 = H2O + CO2 + SnSO4 =>
Sn(CO3)2 + H2SO3 = H2O + 2 CO2 + SnSO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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