| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CH3 + HCl = CH3CH2Cl + H2
CH3O(g) + O2(g) = CO2(g) + H2O(g) =>
4 CH3O(g) + 5 O2(g) = 4 CO2(g) + 6 H2O(g)
Li2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + LiNO3(aq) =>
Li2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 LiNO3(aq)
BaCl2(aq) + KAl(SO4)2(aq) = Ba(SO4)(s) + KAlCl4(aq) =>
2 BaCl2(aq) + KAl(SO4)2(aq) = 2 Ba(SO4)(s) + KAlCl4(aq)
Ca3()PO42 + SiO2 + C = CaSiO3 + CO + P4 =>
4 Ca3()PO42 + 12 SiO2 + 156 C = 12 CaSiO3 + 156 CO + P4
Na3CO3 + Ca(NO3)2 = Na3NO3 + Ca(CO3)2 =>
2 Na3CO3 + Ca(NO3)2 = 2 Na3NO3 + Ca(CO3)2
C4H6 + N2O = C4H4 + H2O + N2 =>
C4H6 + N2O = C4H4 + H2O + N2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
HI + H2O = H2OI + H2 =>
2 HI + 2 H2O = 2 H2OI + H2
ZnS + KMnO4 + H2SO4 = ZnSO4 + MnSO4 + K2SO4 + H2O =>
5 ZnS + 8 KMnO4 + 12 H2SO4 = 5 ZnSO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
H2NOH + H2O2 = H2O + N2O3 =>
2 H2NOH + 4 H2O2 = 7 H2O + N2O3
P2O5 + H2MnO4 = H3PO4 + MnO3 =>
P2O5 + 3 H2MnO4 = 2 H3PO4 + 3 MnO3
CoO5 + BrOH = Co(BrO3)2 + H2O =>
CoO5 + 2 BrOH = Co(BrO3)2 + H2O
(NH4)2(CO3) + MgCl2 = (NH4)Cl + Mg(CO3) =>
(NH4)2(CO3) + MgCl2 = 2(NH4)Cl + Mg(CO3)
PCl3 + NaOH = NaCl + H3PO3 =>
PCl3 + 3 NaOH = 3 NaCl + H3PO3
BaSO4(aq) + CuCl2(aq) = BaCl2(aq) + CuSO4(s) =>
BaSO4(aq) + CuCl2(aq) = BaCl2(aq) + CuSO4(s)
FrOH + SiO2 = H2O + Fr2SiO3 =>
2 FrOH + SiO2 = H2O + Fr2SiO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Sb(OH)3 + HNO3 = H2O + Sb(NO3)3 =>
Sb(OH)3 + 3 HNO3 = 3 H2O + Sb(NO3)3
Sr(OH)2 + I2 = SrI2 + H2O + Sr(IO)2 =>
2 Sr(OH)2 + 2 I2 = SrI2 + 2 H2O + Sr(IO)2
MnCO3(S) + Al(s) + O2(g) = Mn(s) + Al2O3(S) + CO2(g) =>
MnCO3(S) + 2 Al(s) + O2(g) = Mn(s) + Al2O3(S) + CO2(g)
TlSO4 + KI = TlI2 + K2SO4 =>
TlSO4 + 2 KI = TlI2 + K2SO4
MgCl2 + Li2S = MgS + LiCl =>
MgCl2 + Li2S = MgS + 2 LiCl
AlCl3 + H2S = Al2S3 + HCl =>
2 AlCl3 + 3 H2S = Al2S3 + 6 HCl
NH3 + KBrO4 = N2 + KBr + H2O =>
8 NH3 + 3 KBrO4 = 4 N2 + 3 KBr + 12 H2O
H + I = HI =>
H + I = HI
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
HF + S = H2S + F =>
2 HF + S = H2S + 2 F
BeCl2 + CsOH = Be(OH)2 + CsCl =>
BeCl2 + 2 CsOH = Be(OH)2 + 2 CsCl
Al(OH)3 = AlOOH + H2O =>
Al(OH)3 = AlOOH + H2O
SrCl2 + Na2CO3 = SrCO3 + NaCl =>
SrCl2 + Na2CO3 = SrCO3 + 2 NaCl
NaHCO3(s) + (COOH)2(ac) = Na2(COO)2 + H2CO3 =>
2 NaHCO3(s) + (COOH)2(ac) = Na2(COO)2 + 2 H2CO3
Al(OH)3 = AlOOH + H2O =>
Al(OH)3 = AlOOH + H2O
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + NaSO4 + H2O =>
K2Cr2O7 + 2 NaHSO3 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 2 NaSO4 + 5 H2O
Cu(OH)2 + CH2O = HCOOH + H2O + Cu2O =>
2 Cu(OH)2 + CH2O = HCOOH + 2 H2O + Cu2O
CrPO = Cr + PO =>
CrPO = Cr + PO
SO4 + H2O = H2SO4 + OH =>
SO4 + 2 H2O = H2SO4 + 2 OH
P4 + H{+} + NO3{-} = H3PO4 + NO2 + H2O =>
P4 + 20 H{+} + 20 NO3{-} = 4 H3PO4 + 20 NO2 + 4 H2O
NaBr + AgI = NaI + BrAg =>
NaBr + AgI = NaI + BrAg
Al2O3 + NaOH + H2O = Na3(Al(OH)6) =>
Al2O3 + 6 NaOH + 3 H2O = 2 Na3(Al(OH)6)
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
CCl4 + O2 = CCl2O + Cl2 =>
2 CCl4 + O2 = 2 CCl2O + 2 Cl2
MnO2 + NaOCl + NaOH = Na2MnO4 + NaCl + H2O =>
MnO2 + NaOCl + 2 NaOH = Na2MnO4 + NaCl + H2O
H2Te + Nb(OH)4 = Te(OH)4 + H2Nb =>
H2Te + Nb(OH)4 = Te(OH)4 + H2Nb
NH3 + CaO = N2 + Ca + H2O =>
2 NH3 + 3 CaO = N2 + 3 Ca + 3 H2O
NaCl + Pb(II)NO3 = Pb(II)Cl + NaNO3 =>
NaCl + Pb(II)NO3 = Pb(II)Cl + NaNO3
PtAs2 + Cl{-} + NO3{-} + H3O{+} = [PtCl6]{2-} + AsO4{3-} + NO + H2O =>
3 PtAs2 + 18 Cl{-} + 14 NO3{-} + 8 H3O{+} = 3[PtCl6]{2-} + 6 AsO4{3-} + 14 NO + 12 H2O
LiCl + O2 = Li2O + Cl2 =>
4 LiCl + O2 = 2 Li2O + 2 Cl2
Ag + Zn{2+} + OH{-} = Ag2O + Zn + H2O =>
2 Ag + Zn{2+} + 2 OH{-} = Ag2O + Zn + H2O
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Équations équilibrées sur12/10/24
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