| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 P + 3 H2O = PH3 + H3PO3
SmCl3 + Li = SmCl2 + LiCl =>
SmCl3 + Li = SmCl2 + LiCl
S8 + O2 = SO2 = H2SO4 =>
S8 + 8 O2 = 8 SO2
I{-} + MnO4{-} + H3O{+} = I2 + Mn{2+} + H2O =>
10 I{-} + 2 MnO4{-} + 16 H3O{+} = 5 I2 + 2 Mn{2+} + 24 H2O
Pt(HSO4)2 + Pb4 = Pb(HSO4)4 + Pt =>
8 Pt(HSO4)2 + Pb4 = 4 Pb(HSO4)4 + 8 Pt
NaN3 = Na3 + N2 =>
6 NaN3 = 2 Na3 + 9 N2
CH42 + O2 = CO2 + H2O9 =>
2 CH42 + 191 O2 = 2 CO2 + 42 H2O9
Ba + FeBr2 = BaBr2 + Fe =>
Ba + FeBr2 = BaBr2 + Fe
H{+} + KMnO4 = Mn{+2} + H2O + O2 + K{+} =>
12 H{+} + 4 KMnO4 = 4 Mn{+2} + 6 H2O + 5 O2 + 4 K{+}
NaSO3H2SO4 = H2SO3NaSO4 =>
NaSO3H2SO4 = H2SO3NaSO4
CH3(CH2)6CH3 + (O2) = (CO2) + (H2O) =>
2 CH3(CH2)6CH3 + 25(O2) = 16(CO2) + 18(H2O)
KI + Ca = K + CaI =>
KI + Ca = K + CaI
CuS + HNO3 = Cu(NO3)2 + H2O + S + NO =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 3 S + 2 NO
Fe(s) + H2SO4(aq) = Fe2(SO4)3 + H2(g) =>
2 Fe(s) + 3 H2SO4(aq) = Fe2(SO4)3 + 3 H2(g)
KBr(aq) + Na2CO3(aq) = K2CO3 + NaBr =>
2 KBr(aq) + Na2CO3(aq) = K2CO3 + 2 NaBr
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
K2(SO4) + Ba(OH)2 = K(OH) + Ba(SO4) =>
K2(SO4) + Ba(OH)2 = 2 K(OH) + Ba(SO4)
SO4 + H = H2S + O =>
SO4 + 2 H = H2S + 4 O
Fe2 + CUSO4 = Fe2(SO4) + CU =>
Fe2 + CUSO4 = Fe2(SO4) + CU
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Al + KNO3 = Al(NO3)3 + K =>
Al + 3 KNO3 = Al(NO3)3 + 3 K
Fe(NO3)2 + HCl = FeCl2 + HNO3 =>
Fe(NO3)2 + 2 HCl = FeCl2 + 2 HNO3
C7H5KO3 + H2SO4 = C7H6O3 + K2SO4 =>
2 C7H5KO3 + H2SO4 = 2 C7H6O3 + K2SO4
IBr + NH3 = NH4Br + NI3 =>
3 IBr + 4 NH3 = 3 NH4Br + NI3
Fe(OH)3 + H2C2O4 = Fe{3+} + H2O + C2O4{2-} =>
2 Fe(OH)3 + 3 H2C2O4 = 2 Fe{3+} + 6 H2O + 3 C2O4{2-}
CH3SSCH2CH3 + O2 = SO2 + H2O + CO2 =>
CH3SSCH2CH3 + 7 O2 = 2 SO2 + 4 H2O + 3 CO2
C7H177 + O2 = CO2 + H2O =>
4 C7H177 + 205 O2 = 28 CO2 + 354 H2O
Pb(NO3)2 + K2CrO4 = PbCrO4 + K2(NO3)2 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + K2(NO3)2
Ag{2+} + Cl{-} = AgCl2 =>
Ag{2+} + 2 Cl{-} = AgCl2
Au + KCN + O2 + H2O = KAu(CN)4 + KOH =>
4 Au + 16 KCN + 3 O2 + 6 H2O = 4 KAu(CN)4 + 12 KOH
Zn + NaOH + H2O = NaZn(OH)4 + H2 =>
2 Zn + 2 NaOH + 6 H2O = 2 NaZn(OH)4 + 3 H2
NO2 + OH({-}) = NO2({-}) + NO3({-}) + H2O =>
2 NO2 + 2 OH({-}) = NO2({-}) + NO3({-}) + H2O
(NH4)2 + CrO7 = Cr3O3 + N2 + H2O =>
9(NH4)2 + 6 CrO7 = 2 Cr3O3 + 9 N2 + 36 H2O
CuSCN + HNO3 = NO2 + Cu + SO2 + CO2 + NH4 =>
CuSCN + 4 HNO3 = 4 NO2 + Cu + SO2 + CO2 + NH4
AgCl + Pb2S2 = Pb2Cl + AgS2 =>
AgCl + Pb2S2 = Pb2Cl + AgS2
ZrO2 + NO3 = ZrN + O2 =>
2 ZrO2 + 2 NO3 = 2 ZrN + 5 O2
Na2S + Cl2 = NaCl + S =>
Na2S + Cl2 = 2 NaCl + S
(Co(NO3)2(H2O)6) + H2O2 + NaHCO3 = Na3(Co(CO3)3(H2O)3) + HNO3 + H2O =>
2(Co(NO3)2(H2O)6) + H2O2 + 6 NaHCO3 = 2 Na3(Co(CO3)3(H2O)3) + 4 HNO3 + 8 H2O
(C17H35COO)3C3H5 + NaOH = C3H5(OH)3 + C17H35COONa =>
(C17H35COO)3C3H5 + 3 NaOH = C3H5(OH)3 + 3 C17H35COONa
NO2 + FeCl2 + HCl = NO + FeCl3 + H2O =>
NO2 + 2 FeCl2 + 2 HCl = NO + 2 FeCl3 + H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
C2H6 + Br2 = C2H4Br2 + H2 =>
C2H6 + Br2 = C2H4Br2 + H2
NaOH + CH3COOH = NaOH(CH3COO) + H2 =>
2 NaOH + 2 CH3COOH = 2 NaOH(CH3COO) + H2
Al2(SO4)3 + Ca3(PO4)2 = Al(PO4) + Ca(SO4) =>
Al2(SO4)3 + Ca3(PO4)2 = 2 Al(PO4) + 3 Ca(SO4)
SnS + (NH4)2S2 = (NH4)2[SnS3] =>
SnS + (NH4)2S2 = (NH4)2[SnS3]
I{-} + Cr2O7{2} + H{+} = Cr{3+} + I2 + H2O =>
10 I{-} + Cr2O7{2} + 14 H{+} = 2 Cr{3+} + 5 I2 + 7 H2O
Fe(OH)2 + NaNO2 = FeO(OH) + NO + NaOH =>
Fe(OH)2 + NaNO2 = FeO(OH) + NO + NaOH
H2SO4 + CH4 = CO2 + SO2 + H2O =>
4 H2SO4 + CH4 = CO2 + 4 SO2 + 6 H2O
Cu2(s) + AgNO3(aq) = Cu(NO3)2(l) + Ag(l) =>
Cu2(s) + 4 AgNO3(aq) = 2 Cu(NO3)2(l) + 4 Ag(l)
LiCl + Br2* = LiBr + Cl2* =>
2 LiCl + Br2* = 2 LiBr + Cl2*
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/28/24
Équations équilibrées sur04/27/23
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