| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 SO2 + 3 O2 + 2 Na2CO3 = 2 CO2 + 4 NaSO4
Br2 + (OH)1{-} = H2O + Br1{-} + (BrO) =>
3 Br2 + 4(OH)1{-} = 2 H2O + 4 Br1{-} + 2(BrO)
Na(CO3)2 + CH3COOH = CH3COONa + H2O + CO2 =>
8 Na(CO3)2 + 11 CH3COOH = 8 CH3COONa + 10 H2O + 22 CO2
Na + P4 + S8 = Na3PS2 =>
12 Na + P4 + S8 = 4 Na3PS2
Ni{+} + CO3{-}2 = NiCO3(s) =>
Ni{+} + CO3{-}2 = NiCO3(s)
LiOH + Cu(NO3)2 = Cu(OH)2 + LiNO3 =>
2 LiOH + Cu(NO3)2 = Cu(OH)2 + 2 LiNO3
K2Cr2O7 + Na2SO3 + H2SO4 = Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
CuI + O2 = CuO + I =>
2 CuI + O2 = 2 CuO + 2 I
NI + CUSO4 = NISO4 + CU =>
NI + CUSO4 = NISO4 + CU
NO + N = N2O =>
NO + N = N2O
Cl2 + HFl4 = H8 + ClFl =>
16 Cl2 + 8 HFl4 = H8 + 32 ClFl
Cr2O7{-2} + H{+} + C2H5OH = Cr{+3} + H2O + CO2 =>
2 Cr2O7{-2} + 16 H{+} + C2H5OH = 4 Cr{+3} + 11 H2O + 2 CO2
Ba3(Po4)2 + Na2CO3 = Na3Po4 + BaCO3 =>
Ba3(Po4)2 + 3 Na2CO3 = 2 Na3Po4 + 3 BaCO3
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
Cr2O3 + Na2SO3 + H2SO4 = Na2SO4 + H2O + Cr2(SO3)4 =>
Cr2O3 + 3 Na2SO3 + 4 H2SO4 = 3 Na2SO4 + 4 H2O + Cr2(SO3)4
CaCl2 + O2 = CaO2 + Cl =>
CaCl2 + O2 = CaO2 + 2 Cl
La2O3 + Si3N4 = LaN + SiO2 =>
2 La2O3 + Si3N4 = 4 LaN + 3 SiO2
ZnSO4 + SrCl = ZnSr + ClSO4 =>
ZnSO4 + SrCl = ZnSr + ClSO4
Cr(OH3) + KClO3 + KOH = K2Cr2O7 + KCl + H2O =>
6 Cr(OH3) + 7 KClO3 + 6 KOH = 3 K2Cr2O7 + 7 KCl + 12 H2O
Zn(MnO4)2 + Cr2(SO4)3 = ZnSO4 + Cr(MnO4)3 =>
3 Zn(MnO4)2 + Cr2(SO4)3 = 3 ZnSO4 + 2 Cr(MnO4)3
Na2Cr2O7 + H2SO4 + H2S = Cr2(SO4)3 + Na2SO4 + H2O =>
4 Na2Cr2O7 + 13 H2SO4 + 3 H2S = 4 Cr2(SO4)3 + 4 Na2SO4 + 16 H2O
C6H5OH + [O] = CO2 + H2O =>
C6H5OH + 14[O] = 6 CO2 + 3 H2O
Na2CO3 + Pb(NO3)2 = Na(NO3)2 + Pb2CO3 =>
Na2CO3 + 2 Pb(NO3)2 = 2 Na(NO3)2 + Pb2CO3
RbCl + Na2SO4 = RbSO4 + ClNa2 =>
RbCl + Na2SO4 = RbSO4 + ClNa2
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
HgS = Hg + S =>
HgS = Hg + S
P4(s) + NaOH + H2O = PH3 + Na2HPO3 =>
P4(s) + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
C6H6N2O2 + N2H4 + KOH = C6H8N2 + KNO3 + NH3 =>
C6H6N2O2 + N2H4 + KOH = C6H8N2 + KNO3 + NH3
H3PO4 + MgHO2 = MgPO4 + H2O =>
H3PO4 + MgHO2 = MgPO4 + 2 H2O
K2C2O4 + Ca(NO3)2 = K2(NO3)2 + CaC2O4 =>
K2C2O4 + Ca(NO3)2 = K2(NO3)2 + CaC2O4
NH4OH + HI = NH4I + H2O =>
NH4OH + HI = NH4I + H2O
H2SO4 + Cr = CrSO4 + H2 =>
H2SO4 + Cr = CrSO4 + H2
NH4NO3(aq) = N2O(g) + H2O(l) =>
NH4NO3(aq) = N2O(g) + 2 H2O(l)
C12H22O11 + HNO3 = C2H2O4 + NO2 + H2O =>
C12H22O11 + 36 HNO3 = 6 C2H2O4 + 36 NO2 + 23 H2O
CoCO3 + NH4Cl + NH3 + H2O2 = [Co(NH3)5Cl]Cl2 + CO2 + H2O =>
2 CoCO3 + 6 NH4Cl + 4 NH3 + H2O2 = 2[Co(NH3)5Cl]Cl2 + 2 CO2 + 4 H2O
Cs(IO3)4 + HC2O4 = Cs(C2O4)3 + I2 + CO2 + H2O =>
Cs(IO3)4 + 24 HC2O4 = Cs(C2O4)3 + 2 I2 + 42 CO2 + 12 H2O
Co + PO4 = CoPO4 =>
Co + PO4 = CoPO4
H2(SiO3) + KOH = K2SiO3 + H2O =>
H2(SiO3) + 2 KOH = K2SiO3 + 2 H2O
Ca + HNO3 = Ca(NO3) + N2O + H2O =>
8 Ca + 10 HNO3 = 8 Ca(NO3) + N2O + 5 H2O
Al2O3 + CaO = Ca3Al2 + O3 =>
Al2O3 + 3 CaO = Ca3Al2 + 2 O3
P + Pb = Pb3P4 =>
4 P + 3 Pb = Pb3P4
Mg(OH)2 + HCOOH = H2O + Mg(HCOO)2 =>
Mg(OH)2 + 2 HCOOH = 2 H2O + Mg(HCOO)2
Cr2(SO4)3 + AgNO3 + K2S2O8 = K2SO4 + Cr(NO3)2 + AgS2O8 =>
Cr2(SO4)3 + 4 AgNO3 + 5 K2S2O8 = 5 K2SO4 + 2 Cr(NO3)2 + 4 AgS2O8
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
KMnO4 + FeSO4 + KOH + H2O = K2SO4 + MnO2 + Fe(OH)3 =>
KMnO4 + 3 FeSO4 + 5 KOH + 2 H2O = 3 K2SO4 + MnO2 + 3 Fe(OH)3
C14H8O4 + Al2(SO4)3 = (C14H6O4)3Al2 + H2SO4 =>
3 C14H8O4 + Al2(SO4)3 = (C14H6O4)3Al2 + 3 H2SO4
MnCl2 + NaNO3 + Na2CO3 + H2O = Na2MnO4 + NaNO2 + H2CO3 + HCl =>
MnCl2 + 2 NaNO3 + Na2CO3 + 2 H2O = Na2MnO4 + 2 NaNO2 + H2CO3 + 2 HCl
SiC + O2 = SiO2 + CO4 =>
SiC + 3 O2 = SiO2 + CO4
CaCl2 + AgOH = AgCl + Ca(OH)2 =>
CaCl2 + 2 AgOH = 2 AgCl + Ca(OH)2
AsS2 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
AsS2 + 17 HNO3 = H3AsO4 + 2 H2SO4 + 17 NO2 + 5 H2O
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