| Équations équilibrées la veille |
PbO + CaCl2 = PbCl2 + CaO
CH3CH2CH2CH(OH)2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH(OH)2 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CH2COOH + 7 H2O
(NH4)2SO4(s) = NH3(g) + H2O(g) + SO3(g) =>
(NH4)2SO4(s) = 2 NH3(g) + H2O(g) + SO3(g)
CH3H2OH + O2 = H2O + CH3COOH =>
2 CH3H2OH + 2 O2 = 4 H2O + CH3COOH
HC2H5O2 + NaHCO3 = NaC2H5O2 + H2O + CO2 =>
HC2H5O2 + NaHCO3 = NaC2H5O2 + H2O + CO2
Li2S + Pb(NO3)2 = LiNO3 + PbS =>
Li2S + Pb(NO3)2 = 2 LiNO3 + PbS
Ba(ClO3)2 + MnO2 + NaOH = Na2MnO4 + BaCl2 + H2O =>
Ba(ClO3)2 + 6 MnO2 + 12 NaOH = 6 Na2MnO4 + BaCl2 + 6 H2O
HAlO2 + H2O = Al(OH)3 =>
HAlO2 + H2O = Al(OH)3
Na3VO4 + H2SO4 = V2O5 + NaHSO4 + H2O =>
2 Na3VO4 + 6 H2SO4 = V2O5 + 6 NaHSO4 + 3 H2O
CCl4 + HF = CCl2F2 + HCl =>
CCl4 + 2 HF = CCl2F2 + 2 HCl
NH3 + Ni(OH)2 = Ni3N2 + H2O =>
2 NH3 + 3 Ni(OH)2 = Ni3N2 + 6 H2O
NaH(CO3) + HCl = NaCl + H2(CO3) =>
NaH(CO3) + HCl = NaCl + H2(CO3)
Ca + FeCl2 = CaCl2 + Fe =>
Ca + FeCl2 = CaCl2 + Fe
Cr(NO3)3 + Ba = Ba(NO3)2 + Cr =>
2 Cr(NO3)3 + 3 Ba = 3 Ba(NO3)2 + 2 Cr
CsO2 = Cs + O2 =>
CsO2 = Cs + O2
Cu + Cr2O7 = CuO + Cr =>
7 Cu + Cr2O7 = 7 CuO + 2 Cr
AlCl3 + NaF = NaCl + AlF3 =>
AlCl3 + 3 NaF = 3 NaCl + AlF3
KMnO4 + Fe(NO2)2 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + HNO3 + H2O =>
2 KMnO4 + 2 Fe(NO2)2 + 6 H2SO4 = K2SO4 + 2 MnSO4 + Fe2(SO4)3 + 4 HNO3 + 4 H2O
NaNO3 + C6H12O6 = Na2CO3 + N2 + CO2 + H2O =>
24 NaNO3 + 5 C6H12O6 = 12 Na2CO3 + 12 N2 + 18 CO2 + 30 H2O
Mn{7+} + e = Mn{4+} =>
Mn{7+} + 3e = Mn{4+}
PB(CH3COO)2 + KNO3 + H2O = B2O3 + CH3COOH + KOH + NO2 + PO2 =>
2 PB(CH3COO)2 + 10 KNO3 + 7 H2O = B2O3 + 4 CH3COOH + 10 KOH + 10 NO2 + 2 PO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2S2O3 + H2O3 = Na2SO4 + H2SO4 + H2O =>
Na2S2O3 + 2 H2O3 = Na2SO4 + H2SO4 + H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
CH + Fe = Fe(C5H5)2 =>
10 CH + Fe = Fe(C5H5)2
KHSO4 + KMnO4 + NaHSO3 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
2 KHSO4 + 4 KMnO4 + 10 NaHSO3 = 5 Na2SO4 + 3 K2SO4 + 4 MnSO4 + 6 H2O
NaOH + Co(SO4) = Na(SO4) + Co(OH) =>
NaOH + Co(SO4) = Na(SO4) + Co(OH)
KOH + MgCO3 = K2CO3 + Mg(OH)2 =>
2 KOH + MgCO3 = K2CO3 + Mg(OH)2
PbBr2 + Ag2S = PbS + AgBr =>
PbBr2 + Ag2S = PbS + 2 AgBr
Ca(NO3)2(ac) + Na2CO3(ac) = NaNO3(ac) + CaCO3(ac) =>
Ca(NO3)2(ac) + Na2CO3(ac) = 2 NaNO3(ac) + CaCO3(ac)
MgSO4*7H2O + HCl = MgCl2 + H2S + H2O + Cl2 =>
MgSO4*7H2O + 10 HCl = MgCl2 + H2S + 11 H2O + 4 Cl2
Ga(NO3)3 + LiOH = Ga(OH)3 + Li(NO3) =>
Ga(NO3)3 + 3 LiOH = Ga(OH)3 + 3 Li(NO3)
Ce(OH)3 + H2SO4 = Ce2(SO4)3 + H2O =>
2 Ce(OH)3 + 3 H2SO4 = Ce2(SO4)3 + 6 H2O
C6H12O6 + CO2 + H2O = C2O4H2 =>
C6H12O6 + 18 CO2 + 6 H2O = 12 C2O4H2
P2O3 + Zn + H2SO4 = PH3 + ZnSO4 + H2O =>
P2O3 + 6 Zn + 6 H2SO4 = 2 PH3 + 6 ZnSO4 + 3 H2O
NaHS + HClO4 = NaClO4 + H2S =>
NaHS + HClO4 = NaClO4 + H2S
Ca3N2(s) + H2O(l) = Ca(OH)2(aq) + NH3(g) =>
Ca3N2(s) + 6 H2O(l) = 3 Ca(OH)2(aq) + 2 NH3(g)
SrO(aq) + HCl(aq) = SrCl2(aq) + H2O(l) =>
SrO(aq) + 2 HCl(aq) = SrCl2(aq) + H2O(l)
Fe3Cl + NH4OH = Fe3OH + NH4Cl =>
Fe3Cl + NH4OH = Fe3OH + NH4Cl
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
LiCl + YCl3 = Li24Y10Cl54 =>
24 LiCl + 10 YCl3 = Li24Y10Cl54
KI = I + K =>
KI = I + K
CaSO4 + H2 = Ca + H2SO4 =>
CaSO4 + H2 = Ca + H2SO4
CrO4{2-} + SO3{2-} + H2O = SO4{2-} + Cr{3+} + OH{-} =>
2 CrO4{2-} + 3 SO3{2-} + 5 H2O = 3 SO4{2-} + 2 Cr{3+} + 10 OH{-}
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
(NH4)2SO4 + Mn = NH4 + MnSO4 =>
(NH4)2SO4 + Mn = 2 NH4 + MnSO4
NaClO + HCl + KBr = Br2 + NaCl + H2O + KCl =>
NaClO + 2 HCl + 2 KBr = Br2 + NaCl + H2O + 2 KCl
NiCl2 + C2H4(NH2)2 = Ni(NH2)2 + C2H4Cl2 =>
NiCl2 + C2H4(NH2)2 = Ni(NH2)2 + C2H4Cl2
KMnO4 + MnCl2*4H2O = MnO2 + KCl + H2O + O2 =>
2 KMnO4 + MnCl2*4H2O = 3 MnO2 + 2 KCl + 4 H2O + O2
HNO2 + H2S = S + NO + H2O =>
2 HNO2 + H2S = S + 2 NO + 2 H2O
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