Équations équilibrées la veille |
4 H2S2O4 + 4 H2O = 5 H2SO4 + 3 H2S
C21H21O4 + O2 = CO2 + H2O =>
4 C21H21O4 + 97 O2 = 84 CO2 + 42 H2O
CuCl + Sn = SnCl2 + Cu =>
2 CuCl + Sn = SnCl2 + 2 Cu
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
KI + Br2 + H2O = HBr + KIO3 =>
KI + 3 Br2 + 3 H2O = 6 HBr + KIO3
CrI3 + Na2(SO3)3 = Cr(SO3)3 + Na2I3 =>
CrI3 + Na2(SO3)3 = Cr(SO3)3 + Na2I3
NaFO3 = NaF + O2 =>
2 NaFO3 = 2 NaF + 3 O2
H2S + Na(NO3) = Na2S + HNO3 =>
H2S + 2 Na(NO3) = Na2S + 2 HNO3
(CH3COO)2Ca = CH3COO + Ca =>
(CH3COO)2Ca = 2 CH3COO + Ca
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
Fe + C12H8N2H{+} = Fe(C12H8N2)3 + H{+} =>
Fe + 3 C12H8N2H{+} = Fe(C12H8N2)3 + 3 H{+}
CaBr2(s) = Ca(s) + Br2(j) =>
CaBr2(s) = Ca(s) + Br2(j)
FeO + Na2CO3 = FeNa2O3 + CO =>
FeO + Na2CO3 = FeNa2O3 + CO
H2O2 + I2 = HIO3 + H2O =>
5 H2O2 + I2 = 2 HIO3 + 4 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
FeCl3 + HOH = HCl3 + FeOH =>
FeCl3 + HOH = HCl3 + FeOH
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = CH3COOHCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = 2 CH3COOHCH3 + Cr2(SO4)3 + K2SO4 + 5 H2O
Sn4(CO4)3 = Sn + CO4 =>
Sn4(CO4)3 = 4 Sn + 3 CO4
Hg3(PO4)2 + NaI = Na3PO4 + HgI2 =>
Hg3(PO4)2 + 6 NaI = 2 Na3PO4 + 3 HgI2
SiO2 + NaOH = SiO3H + Na =>
SiO2 + NaOH = SiO3H + Na
C9H11NO2 + SOCl2 = C9H10ClNO + HCl + SO2 =>
C9H11NO2 + SOCl2 = C9H10ClNO + HCl + SO2
F2 + NH3 = NF3 + H2 =>
3 F2 + 2 NH3 = 2 NF3 + 3 H2
Rb2SO3(s) + HBr(aq) = RbBr + H2SO3 =>
Rb2SO3(s) + 2 HBr(aq) = 2 RbBr + H2SO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Li2SO4(aq) + BaCl2(aq) = BaSO4(s) + LiCl(aq) =>
Li2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 LiCl(aq)
C2H9 + O2 = CO3 + H2O =>
4 C2H9 + 21 O2 = 8 CO3 + 18 H2O
Zn(OH)2 + SO2 = ZnO + H2SO3 =>
Zn(OH)2 + SO2 = ZnO + H2SO3
Fe2 + I3 = Fe2I3 =>
Fe2 + I3 = Fe2I3
NH4Cl + Pb(NO3)2 = N(NO3) + Pb(H4Cl)2 =>
2 NH4Cl + Pb(NO3)2 = 2 N(NO3) + Pb(H4Cl)2
BaBr2 + CaCl2 = BaCl2 + CaBr2 =>
BaBr2 + CaCl2 = BaCl2 + CaBr2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
K + Mg(NO3)2 = KNO3 + Mg =>
2 K + Mg(NO3)2 = 2 KNO3 + Mg
FeSO4 + H3BO3 = H2SO4 + FeHBO3 =>
FeSO4 + H3BO3 = H2SO4 + FeHBO3
C5H11OH + KMnO4 + H2O = C5H12 + MnO4 + KOH =>
C5H11OH + 2 KMnO4 + H2O = C5H12 + 2 MnO4 + 2 KOH
Tm2O3 + Co2O3 = TmCoO3 =>
Tm2O3 + Co2O3 = 2 TmCoO3
I2(s) + Cl2(g) = I2Cl6(s) =>
I2(s) + 3 Cl2(g) = I2Cl6(s)
NH4Cl + KNO3 = NH4NO3 + KCl =>
NH4Cl + KNO3 = NH4NO3 + KCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2(CO3) + Na(HSO3) = Na2(HSO3) + Na(CO3) =>
Na2(CO3) + Na(HSO3) = Na2(HSO3) + Na(CO3)
KMnO4 + NaOH + Na2S2O3 = Na2MnO4 + H2SO4 + H2O + KOH =>
8 KMnO4 + 14 NaOH + Na2S2O3 = 8 Na2MnO4 + 2 H2SO4 + H2O + 8 KOH
MnO + H2SO4 = MnSO4 + H2O =>
MnO + H2SO4 = MnSO4 + H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
KH2PO4 + Ca(OH)2 = CaKPO4 + H2O =>
KH2PO4 + Ca(OH)2 = CaKPO4 + 2 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
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