| Équations équilibrées la veille |
2 VOCl2 + Cl2 + 4 H2O = 2 HVO3 + 6 HCl
C2H4(g) + H2O(l) = C2H6(g) + O2(g) =>
2 C2H4(g) + 2 H2O(l) = 2 C2H6(g) + O2(g)
Pb + HCl = Pb(Cl)2 + H2 =>
Pb + 2 HCl = Pb(Cl)2 + H2
OH{-} + MnO4{-} + NO2 = NO3{-} + MnO4{-2} + H2O =>
2 OH{-} + MnO4{-} + NO2 = NO3{-} + MnO4{-2} + H2O
IF3 + H2O = HF + HIO2 =>
IF3 + 2 H2O = 3 HF + HIO2
HNO3 + Cr2(CO3)2 = H2CO3 + Cr(NO3)2 =>
4 HNO3 + Cr2(CO3)2 = 2 H2CO3 + 2 Cr(NO3)2
NH4NO3(aq) + Ba(OH)2(aq) = NH3(g) + H2O(l) + Ba(NO3)2(aq) =>
2 NH4NO3(aq) + Ba(OH)2(aq) = 2 NH3(g) + 2 H2O(l) + Ba(NO3)2(aq)
Al + KNO3 + NaOH + H2O = Na3[Al(OH)6] + KOH + NH3 =>
8 Al + 3 KNO3 + 24 NaOH + 18 H2O = 8 Na3[Al(OH)6] + 3 KOH + 3 NH3
H2SO4 + Al = Al2(H2SO4)3 =>
3 H2SO4 + 2 Al = Al2(H2SO4)3
Ag2O + NaOH = AgOH + Na2O =>
Ag2O + 2 NaOH = 2 AgOH + Na2O
Na(CO3)2 + HC6H5O7 = CO2 + NaC6H5O7 + H2O =>
16 Na(CO3)2 + 19 HC6H5O7 = 50 CO2 + 16 NaC6H5O7 + 17 H2O
KNO2 + KI + HCl = KCl + NO + H2O + I2 =>
2 KNO2 + 2 KI + 4 HCl = 4 KCl + 2 NO + 2 H2O + I2
C2H2 + O2 = CO2 + water =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
(NH4)2SO3 + Ca(OH)2 = NH4(OH) + Ca(SO3) =>
(NH4)2SO3 + Ca(OH)2 = 2 NH4(OH) + Ca(SO3)
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
C19H38N2O3 + O2 = CO2 + H2O + NH3 =>
2 C19H38N2O3 + 51 O2 = 38 CO2 + 32 H2O + 4 NH3
S8(s) + Ni(s) = Ni2S3(s) =>
3 S8(s) + 16 Ni(s) = 8 Ni2S3(s)
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2 =>
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2
H2S + Cu = CuS + H2 =>
H2S + Cu = CuS + H2
NaOH + H2SO4 = NaH2SO4 + OH =>
NaOH + H2SO4 = NaH2SO4 + OH
SrO + S = SO + Sr =>
SrO + S = SO + Sr
(NH4)2SO3 + Ca(OH)2 = NH4(OH) + Ca(SO3) =>
(NH4)2SO3 + Ca(OH)2 = 2 NH4(OH) + Ca(SO3)
MnO2 + KNO3 + Na2CO3 = Na2MnO4 + KNO2 + CO2 =>
MnO2 + KNO3 + Na2CO3 = Na2MnO4 + KNO2 + CO2
PbO5 + NH3 = Pb + N2 + H2O =>
3 PbO5 + 10 NH3 = 3 Pb + 5 N2 + 15 H2O
Na2CO3 + HCe = NaCe + H2CO3 =>
Na2CO3 + 2 HCe = 2 NaCe + H2CO3
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
(NH4)2SO3 + Ca(OH)2 = NH4(OH) + Ca(SO3) =>
(NH4)2SO3 + Ca(OH)2 = 2 NH4(OH) + Ca(SO3)
NaOH = Na{+} + OH{-} =>
NaOH = Na{+} + OH{-}
Cu(NO3)2 + Na(OH) = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 Na(OH) = Cu(OH)2 + 2 NaNO3
Pt + F2 = PtF4 =>
Pt + 2 F2 = PtF4
KMnO4 + C3H5(OH)3 = K2CO3 + CO2 + H2O + Mn2O3 =>
14 KMnO4 + 4 C3H5(OH)3 = 7 K2CO3 + 5 CO2 + 16 H2O + 7 Mn2O3
Mn(OH)2 + HNO3 = MnO(OH)2 + HNO2 =>
Mn(OH)2 + HNO3 = MnO(OH)2 + HNO2
Pb(s) + FeSO4(aq) = PbSO4 + Fe =>
Pb(s) + FeSO4(aq) = PbSO4 + Fe
Fe2 = Fe4 =>
2 Fe2 = Fe4
N2H4(l) + N2O4(g) = N2(g) + H2O =>
2 N2H4(l) + N2O4(g) = 3 N2(g) + 4 H2O
CaSO3(s) + HCl(aq) = CaCl2 + H2O + SO2 =>
CaSO3(s) + 2 HCl(aq) = CaCl2 + H2O + SO2
COOH(CH2)4COOH + Ca(OH)2 = H2O + Ca(COO(CH2)4COO)2Ca =>
2 COOH(CH2)4COOH + 2 Ca(OH)2 = 4 H2O + Ca(COO(CH2)4COO)2Ca
Cs2(CO3) + Mg(NO3)2 = Cs(NO3) + Mg(CO3) =>
Cs2(CO3) + Mg(NO3)2 = 2 Cs(NO3) + Mg(CO3)
Mg + HCe = MgCe2 + H2 =>
Mg + 2 HCe = MgCe2 + H2
CuCl + HNO3 = Cu(NO3)2 + HCl + NO + H2O =>
3 CuCl + 7 HNO3 = 3 Cu(NO3)2 + 3 HCl + NO + 2 H2O
P2O5 + Cl2 = Cl2P2O5 =>
P2O5 + Cl2 = Cl2P2O5
KCl + (CH3)2CO = KOH + C + H2 + Cl =>
2 KCl + 2(CH3)2CO = 2 KOH + 6 C + 5 H2 + 2 Cl
TlO4 = Tl + O2 =>
TlO4 = Tl + 2 O2
H2S + H{+} + Cr2O7{2-} = Cr{3+} + S + H2O =>
3 H2S + 8 H{+} + Cr2O7{2-} = 2 Cr{3+} + 3 S + 7 H2O
CaO + KOH = CaOKOH =>
CaO + KOH = CaOKOH
CH10O + O2 = CO2 + H2O =>
CH10O + 3 O2 = CO2 + 5 H2O
Ba(NO3)2 + H3(PO4) = Ba3(PO4)2 + H(NO3) =>
3 Ba(NO3)2 + 2 H3(PO4) = Ba3(PO4)2 + 6 H(NO3)
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
(NH4)2SO4 + BaCl2 = BaSO4 + NH4Cl =>
(NH4)2SO4 + BaCl2 = BaSO4 + 2 NH4Cl
Li + CO2 + H2O = LiHCO6 + H2 =>
2 Li + 2 CO2 + 8 H2O = 2 LiHCO6 + 7 H2
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