Équations équilibrées la veille |
NaHCO3 + H2SO4 = NaHSO4 + CO2 + H2O
HClO + H2O2 = HClO2 + H2O =>
HClO + H2O2 = HClO2 + H2O
Ca + NdF3 = Nd + CaF2 =>
3 Ca + 2 NdF3 = 2 Nd + 3 CaF2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KJ + KNO2 + H2SO4 = NO + J2 + H2O + K2SO4 =>
2 KJ + 2 KNO2 + 2 H2SO4 = 2 NO + J2 + 2 H2O + 2 K2SO4
Se + H2O = SeO3 + H30 =>
5 Se + 15 H2O = 5 SeO3 + H30
H2O2 + NaBr = NaH + Br2 + O2 =>
H2O2 + 2 NaBr = 2 NaH + Br2 + O2
HNO2HI = INOH2O =>
HNO2HI = INOH2O
CuCl2(s) + Na2SO4(aq) = CuSO4(aq) + NaCl(aq) =>
CuCl2(s) + Na2SO4(aq) = CuSO4(aq) + 2 NaCl(aq)
K2Cr2O7 + H2SO4 + Na2S = Cr2(SO4)3 + H2O + K2CrO4 + Na2SO4 =>
8 K2Cr2O7 + 12 H2SO4 + 3 Na2S = 4 Cr2(SO4)3 + 12 H2O + 8 K2CrO4 + 3 Na2SO4
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)] + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)] + 14 CO2 + 7 H2O
MgS + HgSO4 = MgSO4 + HgS =>
MgS + HgSO4 = MgSO4 + HgS
KMaO4 = K + Ma + O2 =>
KMaO4 = K + Ma + 2 O2
Ag(NO3)(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
Ag(NO3)(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
Ca + H2Cl2 = H2 + CaCl2 =>
Ca + H2Cl2 = H2 + CaCl2
Ag(NO3)(aq) + NaCl(aq) = AgCl(s) + Na(NO3)(aq) =>
Ag(NO3)(aq) + NaCl(aq) = AgCl(s) + Na(NO3)(aq)
Li2S + H2CO3 = Li2CO3 + H2S =>
Li2S + H2CO3 = Li2CO3 + H2S
Hg(NO3)2(aq) + Na2S(aq) = HgS(s) + NaNO3(aq) =>
Hg(NO3)2(aq) + Na2S(aq) = HgS(s) + 2 NaNO3(aq)
MgO + Si + HCl = MgCl2 + SiO + H =>
MgO + Si + 2 HCl = MgCl2 + SiO + 2 H
C14H18N2O5 + H2O = C4H7NO4 + CH3OH + C9H11NO2 =>
C14H18N2O5 + 2 H2O = C4H7NO4 + CH3OH + C9H11NO2
H2SO4LiCl = H2ClLiSO4 =>
H2SO4LiCl = H2ClLiSO4
C2H5OH(l) + O2(g)(whenheated) = H2O(l) + CO2(g) =>
C2H5OH(l) + 3 O2(g)(whenheated) = 3 H2O(l) + 2 CO2(g)
C5H11COONaNaOH = C5H12Na2CO3 =>
C5H11COONaNaOH = C5H12Na2CO3
KClO + NaOH = KOH + NaClO3 + NaCl =>
3 KClO + 3 NaOH = 3 KOH + NaClO3 + 2 NaCl
CH3NO2 = CO2 + H2 + N2 =>
2 CH3NO2 = 2 CO2 + 3 H2 + N2
Bi2S3 + HNO3 + H2O = H3BiO4 + NO + H2SO4 =>
3 Bi2S3 + 28 HNO3 + 4 H2O = 6 H3BiO4 + 28 NO + 9 H2SO4
N2O + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Mn(NO3)2 + H2O =>
5 N2O + 8 KMnO4 + 7 H2SO4 = 3 MnSO4 + 4 K2SO4 + 5 Mn(NO3)2 + 7 H2O
NbFH = NbHF =>
NbFH = NbHF
MnSO4 + Na2S = MnS2 + Na + O4 =>
MnSO4 + Na2S = MnS2 + 2 Na + O4
CaCo3 + H2O2 = Co2 + Ca(OH)2 =>
2 CaCo3 + 2 H2O2 = 3 Co2 + 2 Ca(OH)2
Cr(NO3)3 + NH3 + H2O = Cr(OH)3 + NH4NO3 =>
Cr(NO3)3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4NO3
IO{-} + H2O = OH{-} + IOH =>
IO{-} + H2O = OH{-} + IOH
HP = H2PHP2 =>
3 HP = H2PHP2
Na2CO3(aq) + HCl(aq) = NaCl + H2CO3 =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl + H2CO3
HNO2 + Ce4 = Ce(NO2)3 + H2 =>
12 HNO2 + Ce4 = 4 Ce(NO2)3 + 6 H2
HC2H4NO2 + OH = C2H4NO3 + H2O =>
HC2H4NO2 + 3 OH = C2H4NO3 + 2 H2O
Fe203 = Fe =>
Fe203 = 203 Fe
*2Fe + *3H2SO4 = Fe2(SO4)3 + H2 =>
*2Fe + *3H2SO4 = Fe2(SO4)3 + 3 H2
Br2 + Na2S2O3 + NaOH = NaBr + Na2SO4 + H2O =>
4 Br2 + Na2S2O3 + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
C2H4(g) = C(s)H2 =>
C2H4(g) = 2 C(s)H2
NH4F + H2SO4 = NH4HSO4 + HF =>
NH4F + H2SO4 = NH4HSO4 + HF
NaNO2HBr = NaBrHNO2 =>
NaNO2HBr = NaBrHNO2
C + H2SO4 = CO2 + H2O + SO2 =>
C + 2 H2SO4 = CO2 + 2 H2O + 2 SO2
[Cu(NH3)4]SO4 + HCl = Cu(NH3)4 + H2SO4 + Cl2 =>
[Cu(NH3)4]SO4 + 2 HCl = Cu(NH3)4 + H2SO4 + Cl2
BaCrO4(s) + HCl(aq) = BaCl2(aq) + H2CrO4(s) =>
BaCrO4(s) + 2 HCl(aq) = BaCl2(aq) + H2CrO4(s)
SO2 + H2SO4 = SO3 + H2SO3 =>
SO2 + H2SO4 = SO3 + H2SO3
Zn(s) + CuSO4(l) = ZnSO4(aq) + Cu(s) =>
Zn(s) + CuSO4(l) = ZnSO4(aq) + Cu(s)
FeSO4 + KCNS = Fe(CNS)2 + K2SO4 =>
FeSO4 + 2 KCNS = Fe(CNS)2 + K2SO4
(C6H5)3COMgBr + H2O = (C6H5)3COH + Mg(OH)Br =>
(C6H5)3COMgBr + H2O = (C6H5)3COH + Mg(OH)Br
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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