| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe{2} + S{-2} = FeS
C2H5Br + Br2 = C2H4Br + HBr =>
2 C2H5Br + Br2 = 2 C2H4Br + 2 HBr
CUSO4 + O2 = CUSO4O2 =>
CUSO4 + O2 = CUSO4O2
ClC6H4NH2 + HCl = ClC6H4NH3{+} + Cl{-} =>
ClC6H4NH2 + HCl = ClC6H4NH3{+} + Cl{-}
KH2PO4 + Ca(NO3)2 = CaHPO4 + KNO3 + H3PO4 =>
2 KH2PO4 + Ca(NO3)2 = CaHPO4 + 2 KNO3 + H3PO4
H2CrO4 + CsOH = Cs2CrO4 + H2O =>
H2CrO4 + 2 CsOH = Cs2CrO4 + 2 H2O
CuCl + Cl2 = CuCl2 =>
2 CuCl + Cl2 = 2 CuCl2
C3H4 + Cl2 = C3H4Cl2 =>
C3H4 + Cl2 = C3H4Cl2
Mg(OH)2(s) + HCl = MgCl2 + H2O =>
Mg(OH)2(s) + 2 HCl = MgCl2 + 2 H2O
NH3(g) + SO2(g) = NO(g) + S(s) + H2O(g) =>
4 NH3(g) + 5 SO2(g) = 4 NO(g) + 5 S(s) + 6 H2O(g)
FeS + HNO3 = Fe(NO3)2 + S + NO + H2O =>
3 FeS + 8 HNO3 = 3 Fe(NO3)2 + 3 S + 2 NO + 4 H2O
AgI + NH3 = Ag(NH3) + I =>
AgI + NH3 = Ag(NH3) + I
Cs + C = Cs4C =>
4 Cs + C = Cs4C
C6H6 + SO4{2-} + H{+} = H2S + CO2 + H2O =>
4 C6H6 + 15 SO4{2-} + 30 H{+} = 15 H2S + 24 CO2 + 12 H2O
Sc + S8 = Sc2S3 =>
16 Sc + 3 S8 = 8 Sc2S3
NaMnO4 + Na2SO3 + H2O = MnO(OH)2 + NaOH + Na2SO4 =>
2 NaMnO4 + 3 Na2SO3 + 3 H2O = 2 MnO(OH)2 + 2 NaOH + 3 Na2SO4
K3(PO4) + Ca = Ca3(PO4)2 + K =>
2 K3(PO4) + 3 Ca = Ca3(PO4)2 + 6 K
YF3 = Y + F2 =>
2 YF3 = 2 Y + 3 F2
C3H8O + Na2Cr2O7 + H2SO4 = C3H6O2 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C3H8O + 2 Na2Cr2O7 + 8 H2SO4 = 3 C3H6O2 + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
SH2 + HNO3 = H2SO4 + NO + H2O =>
3 SH2 + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
KBrO3 + KI + H2SO4 = KBr + K2SO4 + I2 + H2O =>
KBrO3 + 6 KI + 3 H2SO4 = KBr + 3 K2SO4 + 3 I2 + 3 H2O
I + H2SO4 = ISO4 + H2 =>
I + H2SO4 = ISO4 + H2
CH2CHCH2CH3 + HCl = CH3CHClCH2CH3 =>
CH2CHCH2CH3 + HCl = CH3CHClCH2CH3
iron(ii)acetate + chromium = iron + chromium(iii)acetate =>
3 Fe(CH3CO2)2 + 2 Cr = 3 Fe + 2 Cr(CH3CO2)3
CoCl2(aq) + Ca(OH)2(aq) = CaCl2(aq) + Co(OH)2(aq) =>
CoCl2(aq) + Ca(OH)2(aq) = CaCl2(aq) + Co(OH)2(aq)
(NH4)2 + CrO4 = H2O + Cr2O3 + N =>
5(NH4)2 + 8 CrO4 = 20 H2O + 4 Cr2O3 + 10 N
Ca + H3PO4 = Ca3(PO4)2 + H2 =>
3 Ca + 2 H3PO4 = Ca3(PO4)2 + 3 H2
Co(ClO3)2 = CoCl2 + O2 =>
Co(ClO3)2 = CoCl2 + 3 O2
Cr(OH)3 + ClO{-} = CrO4{-2} + Cl2 + H2O + OH{-} =>
2 Cr(OH)3 + 6 ClO{-} = 2 CrO4{-2} + 3 Cl2 + 2 H2O + 2 OH{-}
H2I2 = HI =>
H2I2 = 2 HI
B2O3 + Fe = B + FeO =>
B2O3 + 3 Fe = 2 B + 3 FeO
Cu(NO3)2 + K3Fe(CN)6 = Cu3Fe(CN)6 + K(NO3)2 =>
3 Cu(NO3)2 + K3Fe(CN)6 = Cu3Fe(CN)6 + 3 K(NO3)2
Zn(s) + NaOH(aq) + H2O(l) = Na2[Zn(OH)4] + H2(g) =>
Zn(s) + 2 NaOH(aq) + 2 H2O(l) = Na2[Zn(OH)4] + H2(g)
P4S5 + PBr3 = P4S3 + Br =>
3 P4S5 + 8 PBr3 = 5 P4S3 + 24 Br
CH3OC2H5 + O2 = CO2 + H2O =>
2 CH3OC2H5 + 9 O2 = 6 CO2 + 8 H2O
Al2O3(s) + Cl2(g) = AlCl3(aq) + O2(g) =>
2 Al2O3(s) + 6 Cl2(g) = 4 AlCl3(aq) + 3 O2(g)
SO2 + Pb(NO3)2 = PbS + NO2 + O2 =>
SO2 + Pb(NO3)2 = PbS + 2 NO2 + 2 O2
HCOOH + CUO = (HCOO)2CU + H2O =>
2 HCOOH + CUO = (HCOO)2CU + H2O
HC2H3O2(aq) + NaHSO3(aq) = CH3COONa(aq) + SO2(g) + H2O(l) =>
HC2H3O2(aq) + NaHSO3(aq) = CH3COONa(aq) + SO2(g) + H2O(l)
Fe + CO(ClO3)2 = Fe(ClO3)2 + CO =>
Fe + CO(ClO3)2 = Fe(ClO3)2 + CO
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
TiCl4 + NH3 + H2 = TiN + HCl =>
2 TiCl4 + 2 NH3 + H2 = 2 TiN + 8 HCl
Na2S + SO2 = Na2S2O3 + S =>
2 Na2S + 3 SO2 = 2 Na2S2O3 + S
H2CO = H + CO =>
H2CO = 2 H + CO
Ca(NO3)2(aq) + NaCl(aq) = CaCl2(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaCl(aq) = CaCl2(s) + 2 NaNO3(aq)
Fe + CH3COOH + H2O2 = Fe(CH3COO)3 + H2O =>
2 Fe + 6 CH3COOH + 3 H2O2 = 2 Fe(CH3COO)3 + 6 H2O
V2O5 + Cl2 + C = VOCl3 + CO =>
V2O5 + 3 Cl2 + 3 C = 2 VOCl3 + 3 CO
Al2(SO4)3 + K2CO3 = Al2(CO3)3 + K2(SO4) =>
Al2(SO4)3 + 3 K2CO3 = Al2(CO3)3 + 3 K2(SO4)
Ca(NO3)2(aq) + NaCl(aq) = CaCl2(aq) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaCl(aq) = CaCl2(aq) + 2 NaNO3(aq)
KClO3 + Fe(OH)3 = KOH + Fe(ClO3)3 =>
3 KClO3 + Fe(OH)3 = 3 KOH + Fe(ClO3)3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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