| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaCl2 + H3O = NaOH + Cl2 + H2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Cu2(SO4)2 + NaOH = Cu(OH)2 + Na2SO4 =>
Cu2(SO4)2 + 4 NaOH = 2 Cu(OH)2 + 2 Na2SO4
KOH + O2 = KO2 + H2O =>
4 KOH + 3 O2 = 4 KO2 + 2 H2O
Mg + ZnSO4 = MgSO4 + Zn =>
Mg + ZnSO4 = MgSO4 + Zn
Cr2Br3 + KNO3 + KOH = K2CrO4 + KBrO3 + KNO2 + H2O =>
2 Cr2Br3 + 27 KNO3 + 14 KOH = 4 K2CrO4 + 6 KBrO3 + 27 KNO2 + 7 H2O
SrS + Cu2SO4 = SrSO4 + Cu2S =>
SrS + Cu2SO4 = SrSO4 + Cu2S
NaCl + BeF2 = NaF + BeCl2 =>
2 NaCl + BeF2 = 2 NaF + BeCl2
BaO + SO3 = BaSO4(s) =>
BaO + SO3 = BaSO4(s)
Na2O = Na + O2 = =>
2 Na2O = 4 Na + O2
K[IO3] + HCl = KCl + H[IO3] =>
K[IO3] + HCl = KCl + H[IO3]
Zn + BrO3{-} + H{+} = Zn{2+} + Br2 + H2O =>
5 Zn + 2 BrO3{-} + 12 H{+} = 5 Zn{2+} + Br2 + 6 H2O
Ca + CuBr2 = Cu + CaBr2 =>
Ca + CuBr2 = Cu + CaBr2
KCl + HF = KF + HCl =>
KCl + HF = KF + HCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CoBr2 + Pb(NO3)2 = Co(NO3)2 + PbBr2 =>
CoBr2 + Pb(NO3)2 = Co(NO3)2 + PbBr2
SHO + H2SO4 = SSO4 + H2O =>
4 SHO + 6 H2SO4 = 5 SSO4 + 8 H2O
SiI4 + Mg = MgI2 + Si =>
SiI4 + 2 Mg = 2 MgI2 + Si
H2O + CO4 = HO + CO =>
3 H2O + CO4 = 6 HO + CO
FeS + S = FeS2 =>
FeS + S = FeS2
Cl2(g) + F2(g) = ClF3(g) =>
Cl2(g) + 3 F2(g) = 2 ClF3(g)
FeS + S = FeS2 =>
FeS + S = FeS2
Ag{+} + Cr = Ag + Cr3{+} =>
Ag{+} + 3 Cr = Ag + Cr3{+}
Ni(C2H3O2)2 + Ag = Ni + Ag(C2H3O2) =>
Ni(C2H3O2)2 + 2 Ag = Ni + 2 Ag(C2H3O2)
K3Fe(CN)6 + NH4SCN = KSCN + (NH4)3Fe(CN)6 =>
K3Fe(CN)6 + 3 NH4SCN = 3 KSCN + (NH4)3Fe(CN)6
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
Cu(OH)2 + CH2O = HCOOH + H2O + Cu2O =>
2 Cu(OH)2 + CH2O = HCOOH + 2 H2O + Cu2O
Fe + S = FeS =>
Fe + S = FeS
Fe + I2 = FeI4 =>
Fe + 2 I2 = FeI4
PbO(s) + NH3(g) = Pb2(s) + N2(g) + H2O(l) =>
6 PbO(s) + 4 NH3(g) = 3 Pb2(s) + 2 N2(g) + 6 H2O(l)
C5H10 + O2 = H2O + C5H8 =>
2 C5H10 + O2 = 2 H2O + 2 C5H8
CO2 + LiOH(H2O) = Li2CO3 + H2O =>
CO2 + 2 LiOH(H2O) = Li2CO3 + 3 H2O
C2H8N2 + N2O2 = N2 + CO2 + H2O =>
C2H8N2 + 4 N2O2 = 5 N2 + 2 CO2 + 4 H2O
KMnO4 + H2O2 = KOH + Mn + O2 =>
2 KMnO4 + H2O2 = 2 KOH + 2 Mn + 4 O2
MgCl2 + NH3 = MgNH3 + Cl =>
MgCl2 + NH3 = MgNH3 + 2 Cl
KHSO4 + HCl = KHSO3 + Cl2 + H2O =>
KHSO4 + 2 HCl = KHSO3 + Cl2 + H2O
Zn(s) + SnCl2(aq) = ZnCl2(aq) + Sn(s) =>
Zn(s) + SnCl2(aq) = ZnCl2(aq) + Sn(s)
K2O + SeO2 = K2Se + O2 =>
2 K2O + 2 SeO2 = 2 K2Se + 3 O2
Fe{3+} + SCN{-} = Fe(SCN{2+}) =>
Fe{3+} + SCN{-} = Fe(SCN{2+})
Ba{2+} + Si{4-} = Ba2Si =>
2 Ba{2+} + Si{4-} = Ba2Si
MnCl4 + Na2S5 = MnS3 + NaCl + S =>
MnCl4 + 2 Na2S5 = MnS3 + 4 NaCl + 7 S
Ba(HCO3)2 = CO2 + Ba(OH)2 =>
Ba(HCO3)2 = 2 CO2 + Ba(OH)2
CuCO3 + K4[Fe(CN)6] = K2Cu[Fe(CN)6] + K2CO3 =>
CuCO3 + K4[Fe(CN)6] = K2Cu[Fe(CN)6] + K2CO3
(N2H4) + (N2O4) = N2 + H2O =>
2(N2H4) + (N2O4) = 3 N2 + 4 H2O
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3C6H4COOH + C4H4BrNO2 = C8H7BrO2 + C4H5NO2 =>
CH3C6H4COOH + C4H4BrNO2 = C8H7BrO2 + C4H5NO2
CH3CH2OH + Cr2O7{-} + H{+} = CH3CO2H + Cr{+3} + H2O =>
7 CH3CH2OH + 4 Cr2O7{-} + 28 H{+} = 7 CH3CO2H + 8 Cr{+3} + 21 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
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Équations équilibrées sur12/10/24
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