| Équations équilibrées la veille | Équations équilibrées le lendemain |
C6H5CHO + HCN = C6H5CH(OH)CN
H2S + O2 + Fe{+2} = FeS2 + H{+} + H2O =>
4 H2S + O2 + 2 Fe{+2} = 2 FeS2 + 4 H{+} + 2 H2O
NaNO3 + NaOH = OH + Na2NO3 =>
NaNO3 + NaOH = OH + Na2NO3
KHS + H2O = K2O + H2S =>
2 KHS + H2O = K2O + 2 H2S
H7C6O + H6C3O3 = H9C8O2 + H4C2O =>
21 H7C6O + 8 H6C3O3 = 15 H9C8O2 + 15 H4C2O
NO + (Ag){+} + H2O = (NO3){-} + Ag + H{+} =>
NO + 3(Ag){+} + 2 H2O = (NO3){-} + 3 Ag + 4 H{+}
Cu + CO3 + H2O = Cu(OH)2 + H2CO3 =>
Cu + CO3 + 2 H2O = Cu(OH)2 + H2CO3
CuSO4(aq) + KBr(aq) = CuBr2 + K2SO4 =>
CuSO4(aq) + 2 KBr(aq) = CuBr2 + K2SO4
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Ti(CH3COO)4 + H2S(g) = TiS2 + HCH3COO =>
Ti(CH3COO)4 + 2 H2S(g) = TiS2 + 4 HCH3COO
Zn + KMnO4 + KOH = K2ZnO2 + K2MnO4 + H2O =>
Zn + 2 KMnO4 + 4 KOH = K2ZnO2 + 2 K2MnO4 + 2 H2O
Be(PO4)2 + CuCl2 = BeCl2 + Cu(PO4)2 =>
Be(PO4)2 + CuCl2 = BeCl2 + Cu(PO4)2
C2H2 + CH3COOH = CH3COOCHCH2 =>
C2H2 + CH3COOH = CH3COOCHCH2
S8 + Br = SBr6 =>
S8 + 48 Br = 8 SBr6
Sn + Na2S = SnS2 + Na =>
Sn + 2 Na2S = SnS2 + 4 Na
NaCHO2 + H3PO4 = Na3PO4 + HCOOH =>
3 NaCHO2 + H3PO4 = Na3PO4 + 3 HCOOH
KBr + KBrO4 = Br2 + K2O =>
7 KBr + KBrO4 = 4 Br2 + 4 K2O
MnO4{-} + H{2+} + CH3COO1{-} = CO2 + Mn{2+} + H2O =>
15 MnO4{-} + 29 H{2+} + 13 CH3COO1{-} = 26 CO2 + 15 Mn{2+} + 34 H2O
Cr2(SO4)3 + H2O + (NH4)2S2O8 = (NH4)2Cr2O7 + NH3 + H2SO4 =>
Cr2(SO4)3 + 7 H2O + 3(NH4)2S2O8 = (NH4)2Cr2O7 + 4 NH3 + 9 H2SO4
Rb(s) + H2O = RbOH + H2 =>
2 Rb(s) + 2 H2O = 2 RbOH + H2
Cs + FeBr3 = Fe + CsBr =>
3 Cs + FeBr3 = Fe + 3 CsBr
KNO2 + KClO = KCl + KNO3 =>
KNO2 + KClO = KCl + KNO3
HPO4 + HNO2 = H2PO4 + NO2 =>
HPO4 + HNO2 = H2PO4 + NO2
Ca(HCO3)2 + CaO = CaCO3 + H2O =>
Ca(HCO3)2 + CaO = 2 CaCO3 + H2O
Ca(CH3CO2)2 + Na2CO3 = CaCO3 + NaCH3CO2 =>
Ca(CH3CO2)2 + Na2CO3 = CaCO3 + 2 NaCH3CO2
Ba(OH)2 + Cr(NO3)2 = Ba(NO3)2 + Cr(OH)2 =>
Ba(OH)2 + Cr(NO3)2 = Ba(NO3)2 + Cr(OH)2
C(s) + H2(g) = CH4(g) =>
C(s) + 2 H2(g) = CH4(g)
Hg(NO3)2 + H2O = HgO + HNO3 =>
Hg(NO3)2 + H2O = HgO + 2 HNO3
P4 + NaOH = PH3 + NaO =>
P4 + 12 NaOH = 4 PH3 + 12 NaO
Pb + CO = PbO + C =>
Pb + CO = PbO + C
As2O3 + I2 + NaHCO3 = Na3AsO4 + NaI + CO2 + H2O =>
As2O3 + 2 I2 + 10 NaHCO3 = 2 Na3AsO4 + 4 NaI + 10 CO2 + 5 H2O
H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O + O =>
4 H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 O
NH4NO3 + Na3PO4 = (NH4)3PO4 + NaNO3 =>
3 NH4NO3 + Na3PO4 = (NH4)3PO4 + 3 NaNO3
NO3{-} + CH2O + H{+} = NH3 + H2O + CO2 =>
NO3{-} + 2 CH2O + H{+} = NH3 + H2O + 2 CO2
C11H14O2 + NaOH = C7H6O2 + C4H10O + Na =>
47 C11H14O2 + 48 NaOH = 51 C7H6O2 + 40 C4H10O + 48 Na
SH + O = SO2 + H2O =>
2 SH + 5 O = 2 SO2 + H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Br2 + Mn{2+} + H2O = Br{-} + MnO4{-}(aq) + H{+} =>
5 Br2 + 2 Mn{2+} + 8 H2O = 10 Br{-} + 2 MnO4{-}(aq) + 16 H{+}
Li + OH + CO2 = LiCO3 + H2O =>
Li + 2 OH + CO2 = LiCO3 + H2O
H + Fe = FeH4 =>
4 H + Fe = FeH4
NH4NO3 + Na3PO4 = (NH4)3PO4 + NaNO3 =>
3 NH4NO3 + Na3PO4 = (NH4)3PO4 + 3 NaNO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Sn(OH)2 + NaOH = Sn[Na(OH)3] =>
Sn(OH)2 + NaOH = Sn[Na(OH)3]
C4H4O + H2O2 = C4H4O4 + H2O =>
C4H4O + 3 H2O2 = C4H4O4 + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ag + KCN + O2 + H2O = KAg[CN]2 + KOH =>
4 Ag + 8 KCN + O2 + 2 H2O = 4 KAg[CN]2 + 4 KOH
H3CO3 + Fe(OH)3 = Fe2(CO3)2 + H2O =>
2 H3CO3 + 2 Fe(OH)3 = Fe2(CO3)2 + 6 H2O
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
CuCl + H2O + O2 = Cu2(OH)3Cl + HCl =>
4 CuCl + 4 H2O + O2 = 2 Cu2(OH)3Cl + 2 HCl
K2CrO4 + AgNO3 = CrO4Ag2 + KNO3 =>
K2CrO4 + 2 AgNO3 = CrO4Ag2 + 2 KNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/15/24
Équations équilibrées sur01/14/24
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