| Équations équilibrées la veille |
2 HBr + I2 = Br2 + 2 HI
Cr2O7{-} + H2S + H{+} = Cr{3+} + S + H2O =>
2 Cr2O7{-} + 7 H2S + 14 H{+} = 4 Cr{3+} + 7 S + 14 H2O
KHC8H4O4 + NaOH = H2OKNaC8H4O4 =>
KHC8H4O4 + NaOH = H2OKNaC8H4O4
K2C2O4 + HCl = KCl + H2C2O4 =>
K2C2O4 + 2 HCl = 2 KCl + H2C2O4
HNO3 = NO2 + O2 + H20 =>
20 HNO3 = 20 NO2 + 10 O2 + H20
K + O2 = K2O =>
4 K + O2 = 2 K2O
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
Ba(HSO4)2 + HNO3 = H2 + Ba(NO3)2 + SO4 =>
Ba(HSO4)2 + 2 HNO3 = 2 H2 + Ba(NO3)2 + 2 SO4
Na2S3O3 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S3O3 + 7 Br2 + 18 NaOH = 14 NaBr + 3 Na2SO4 + 9 H2O
FeC2O4(H2O)2 + O2 = FeO + H2O + CO2 =>
2 FeC2O4(H2O)2 + O2 = 2 FeO + 4 H2O + 4 CO2
CO2 + C = CO =>
CO2 + C = 2 CO
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
MnI2(s) + F2(g) = MnF3(s) + IF5(l) =>
2 MnI2(s) + 13 F2(g) = 2 MnF3(s) + 4 IF5(l)
CH3NH3 + Cl + NaOH = CH3OH + NH3 + NaCl =>
CH3NH3 + Cl + NaOH = CH3OH + NH3 + NaCl
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
C2H5COOH + CuO = Cu2O + CO2 + H2O =>
C2H5COOH + 14 CuO = 7 Cu2O + 3 CO2 + 3 H2O
Cr + KOH + H2O2 = K2CrO4 + H2O =>
Cr + 2 KOH + 3 H2O2 = K2CrO4 + 4 H2O
KMnO4 + HCl = Mn2 + KCl + Cl2 + H2O =>
2 KMnO4 + 16 HCl = Mn2 + 2 KCl + 7 Cl2 + 8 H2O
CH3CHOHCOOH + Na2CO3 = CH3CHOHCOONa + H2O + CO2 =>
2 CH3CHOHCOOH + Na2CO3 = 2 CH3CHOHCOONa + H2O + CO2
Li + F2 = LiF =>
2 Li + F2 = 2 LiF
Ni(SO)4 + Na(OH) = Ni(OH)2 + Na2(SO)4 =>
Ni(SO)4 + 2 Na(OH) = Ni(OH)2 + Na2(SO)4
NaOH + HCl = NaCl + H2O(classification) =>
NaOH + HCl = NaCl + H2O(classification)
CH3CH2CH2OH + CuO = CH3CH2COH + H2O + Cu =>
CH3CH2CH2OH + CuO = CH3CH2COH + H2O + Cu
Pb(OH) + HNo3 = Pb(No3) + H2O =>
Pb(OH) + HNo3 = Pb(No3) + H2O
CO2 + H2O = H2CO3 = {H+} + {HCO3-} =>
CO2 + H2O = H2CO3
Cl2 + Cu = CuCl2 =>
Cl2 + Cu = CuCl2
NaHCO3 + H3C6H5O7 = H2O + CO2 + Na3CH2O2 =>
54 NaHCO3 + 5 H3C6H5O7 = 29 H2O + 66 CO2 + 18 Na3CH2O2
H3AsO4 + MoO3 + K3PO4 = K3[AsMo12O40] + H3PO4 =>
H3AsO4 + 12 MoO3 + K3PO4 = K3[AsMo12O40] + H3PO4
Li + AlCl3 = LiCl3 + Al =>
Li + AlCl3 = LiCl3 + Al
NaPO4 + Pb2NO3 = NaNO3 + Pb2PO4 =>
NaPO4 + Pb2NO3 = NaNO3 + Pb2PO4
AgBr + Zn(C2H3O2)2 = ZnBr2 + Ag(C2H3O2) =>
2 AgBr + Zn(C2H3O2)2 = ZnBr2 + 2 Ag(C2H3O2)
KL + O = KO + L =>
KL + O = KO + L
CaO + MgO = CaMgO2 =>
CaO + MgO = CaMgO2
Ca + H2O + O2 = Ca(OH)2 =>
2 Ca + 2 H2O + O2 = 2 Ca(OH)2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Pb(NO3)2HNO3 = Pb(NO3)2 + HNO3 =>
Pb(NO3)2HNO3 = Pb(NO3)2 + HNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HBr + I2 = Br2 + HI =>
2 HBr + I2 = Br2 + 2 HI
Fe{+2} + O2 = Fe{+3} + O{-} =>
2 Fe{+2} + O2 = 2 Fe{+3} + 2 O{-}
Cr(Cl3) + K2CO3 = Cr2(CO3)3 + KCl =>
2 Cr(Cl3) + 3 K2CO3 = Cr2(CO3)3 + 6 KCl
Al2O3(s) + NaOH = Al(OH)3 + Na2O =>
Al2O3(s) + 6 NaOH = 2 Al(OH)3 + 3 Na2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
(b)SnO2 = SnO + O2 =>
2(b)SnO2 = 2 SnO + O2
KS + Hg(NO3)2 = KHg + S(NO3)2 =>
KS + Hg(NO3)2 = KHg + S(NO3)2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
K2Cr2O7 + HgI2 + HCl = CrCl3 + HgCl2 + I2 + KCl + H2O =>
K2Cr2O7 + 3 HgI2 + 14 HCl = 2 CrCl3 + 3 HgCl2 + 3 I2 + 2 KCl + 7 H2O
NaOH(aq) + CoCl(aq) = CoOH(s) + NaCl(aq) =>
NaOH(aq) + CoCl(aq) = CoOH(s) + NaCl(aq)
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
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Équations équilibrées sur12/21/24
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