| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeS2 + 18 HNO3 = Fe(NO3)3 + 15 NO2 + 2 H2SO4 + 7 H2O
CHCl + Cl2 = CCl4 + HCl =>
CHCl + 2 Cl2 = CCl4 + HCl
K3AsO3 + KBrO3 + HCl = KCl + KBr + H3AsO4 =>
3 K3AsO3 + KBrO3 + 9 HCl = 9 KCl + KBr + 3 H3AsO4
H2Se + S = Se + H2S =>
H2Se + S = Se + H2S
K3[Al(OH)6] + H2CO3 = Al(OH)3 + KHCO3 + H2O =>
K3[Al(OH)6] + 3 H2CO3 = Al(OH)3 + 3 KHCO3 + 3 H2O
Na2SO4 + H2O = Na2H2 + SO5 =>
Na2SO4 + H2O = Na2H2 + SO5
ClCO3 + Li = LiCl + Li2CO3 =>
ClCO3 + 3 Li = LiCl + Li2CO3
Al4C3 + KOH + H2O = CH4 + KAlO2 =>
Al4C3 + 4 KOH + 4 H2O = 3 CH4 + 4 KAlO2
NaBH4 + CuSO4 = Na2SO4 + Cu(BH4)2 =>
2 NaBH4 + CuSO4 = Na2SO4 + Cu(BH4)2
AlF3 + NaOH + Na2CO3 = Na3AlF6 + NaAlO2 + H2CO3 =>
2 AlF3 + 2 NaOH + Na2CO3 = Na3AlF6 + NaAlO2 + H2CO3
KMnO4 + H2SO4 + H = K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 H = K2SO4 + 2 MnSO4 + 8 H2O
H2SeO3 + HClO3 = HCl + H2SeO4 =>
3 H2SeO3 + HClO3 = HCl + 3 H2SeO4
B5H9 + O2 = B2(OH)3 + H2O =>
8 B5H9 + 33 O2 = 20 B2(OH)3 + 6 H2O
CUO + C = CU + CO2 =>
2 CUO + C = 2 CU + CO2
HBr + CuCO3 = H2CO3 + CuBr2 =>
2 HBr + CuCO3 = H2CO3 + CuBr2
Pb{2+} + H2SO4 = Pb2(SO4)2 + H{+} =>
2 Pb{2+} + 2 H2SO4 = Pb2(SO4)2 + 4 H{+}
HgS + Cl{-} + NO3{-} + H{+} = HgCl4{-2} + NO2 + S + H2O =>
HgS + 4 Cl{-} + 2 NO3{-} + 4 H{+} = HgCl4{-2} + 2 NO2 + S + 2 H2O
KH + H2O = K{+} + OH{-} + H2 =>
KH + H2O = K{+} + OH{-} + H2
In(C2H3O2)3 + Rb2CrO4 = RbC2H3O2 + In2(CrO4)3 =>
2 In(C2H3O2)3 + 3 Rb2CrO4 = 6 RbC2H3O2 + In2(CrO4)3
CuS + H2O2 = CuSO4 + H2O =>
CuS + 4 H2O2 = CuSO4 + 4 H2O
BiCl3 + Na[Sn(OH)] + NaOH = Bi + Na2[Sn(OH)6] + NaCl =>
4 BiCl3 + 3 Na[Sn(OH)] + 15 NaOH = 4 Bi + 3 Na2[Sn(OH)6] + 12 NaCl
SO3 + H2O = H2S + O2 =>
SO3 + H2O = H2S + 2 O2
VO2 + SO2 = VO + SO4 =>
2 VO2 + SO2 = 2 VO + SO4
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
K2C2O4 + Co(H2O)6 + H2O2 = Co(C2O4)3 + H2O + KOH =>
3 K2C2O4 + Co(H2O)6 + 3 H2O2 = Co(C2O4)3 + 6 H2O + 6 KOH
KI + KMnO4 = KMnO2 + KIO3 =>
2 KI + 3 KMnO4 = 3 KMnO2 + 2 KIO3
ClCH2COH + KOH = ClCH2COK + H2O =>
ClCH2COH + KOH = ClCH2COK + H2O
K2S2O8 + AgNO3 + H2O = AgO + KHSO4 + HNO3 =>
K2S2O8 + 2 AgNO3 + 2 H2O = 2 AgO + 2 KHSO4 + 2 HNO3
Pb + H2CO3 = Pb(CO3)2 + H2 =>
Pb + 2 H2CO3 = Pb(CO3)2 + 2 H2
N2H4 + H{+} + e = NH3 =>
N2H4 + 2 H{+} + 2e = 2 NH3
SO2Cl2 + HI = H2S + H2O + HCl + I2 =>
SO2Cl2 + 8 HI = H2S + 2 H2O + 2 HCl + 4 I2
C4H4S(l) + O2(g) = CO2(g) + H2O(l) + SO2(g) =>
C4H4S(l) + 6 O2(g) = 4 CO2(g) + 2 H2O(l) + SO2(g)
UO2 = U + O2 =>
UO2 = U + O2
H2SO3 + OH{-} = SO3{2-} + H2O =>
H2SO3 + 2 OH{-} = SO3{2-} + 2 H2O
Na2B4O7(s) + HCl(aq) = NaCl(aq) + H2B4O7(aq) =>
Na2B4O7(s) + 2 HCl(aq) = 2 NaCl(aq) + H2B4O7(aq)
H3NO3 + Ag = Ag2HNO2 + H2O =>
H3NO3 + 2 Ag = Ag2HNO2 + H2O
FeCl3(aq) + NH3(aq) + H2O(l) = Fe(OH)3 + NH4Cl =>
FeCl3(aq) + 3 NH3(aq) + 3 H2O(l) = Fe(OH)3 + 3 NH4Cl
Ca(HCO3)2 + C17H35COONa = Ca(C17H35COO)2 + NaHCO3 =>
Ca(HCO3)2 + 2 C17H35COONa = Ca(C17H35COO)2 + 2 NaHCO3
NaOHCo3 = NaCo3OH =>
NaOHCo3 = NaCo3OH
H2S + MgOH2 = MgH2S + H2O =>
H2S + MgOH2 = MgH2S + H2O
SrO + H2SO4 = SrSO4 + H2O =>
SrO + H2SO4 = SrSO4 + H2O
Cl2 + Br2 + I2 = ClBrI =>
Cl2 + Br2 + I2 = 2 ClBrI
H3N + CuSO4 = H2SO4 + Cu3N2 =>
2 H3N + 3 CuSO4 = 3 H2SO4 + Cu3N2
Pb + Pb(NO3)2 = Pb2(NO3)2 =>
Pb + Pb(NO3)2 = Pb2(NO3)2
NaOEt + BuBr = NaBr + EtOBu =>
NaOEt + BuBr = NaBr + EtOBu
K2Cr2O7 + C2H5OH + HCl = KCl + CrCl + CH3CHO + H2O =>
K2Cr2O7 + 5 C2H5OH + 4 HCl = 2 KCl + 2 CrCl + 5 CH3CHO + 7 H2O
Al2(SO3)3 + H2O2 = Al2(SO4)3 + H2O =>
Al2(SO3)3 + 3 H2O2 = Al2(SO4)3 + 3 H2O
AgBr + Cl2 = AgCl + Br =>
2 AgBr + Cl2 = 2 AgCl + 2 Br
Al(CH3COO)3 + (NH4)2CO3 = Al2(CO3)3 + NH4CH3COO =>
2 Al(CH3COO)3 + 3(NH4)2CO3 = Al2(CO3)3 + 6 NH4CH3COO
K + H2O = KOH + H4 =>
4 K + 4 H2O = 4 KOH + H4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/15/24
Équations équilibrées sur09/14/23
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