| Équations équilibrées la veille |
2 MoS2(s) + 7 O2(g) = 2 MoO3(s) + 4 SO2(g)
NaOH + H3BO3 = NaBO2 + H2O =>
NaOH + H3BO3 = NaBO2 + 2 H2O
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
O1 = O2 =>
2 O1 = O2
FeS(l) + O2(g) = FeO(l) + SO2(g) =>
2 FeS(l) + 3 O2(g) = 2 FeO(l) + 2 SO2(g)
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
Mg2 + Cu = MgCu =>
Mg2 + 2 Cu = 2 MgCu
Cd + HCl = CdCl2 + H2 =>
Cd + 2 HCl = CdCl2 + H2
K2SO3 + K2HPO3 + KOH = K3PO4 + K2S + H2O =>
K2SO3 + 3 K2HPO3 + 3 KOH = 3 K3PO4 + K2S + 3 H2O
PbCrO4 + CH3COOH = Pb{2+} + Cr2O7{2-} + CH3COO{-} + H2O =>
2 PbCrO4 + 2 CH3COOH = 2 Pb{2+} + Cr2O7{2-} + 2 CH3COO{-} + H2O
Cr2(SO4)3 + Zn = ZnSO4 + CrSO4 =>
Cr2(SO4)3 + Zn = ZnSO4 + 2 CrSO4
H2S + Tl(OH)3 = Tl2S3 + H2O =>
3 H2S + 2 Tl(OH)3 = Tl2S3 + 6 H2O
Al(OH)3 + KOH = KAlO2 + H2O =>
Al(OH)3 + KOH = KAlO2 + 2 H2O
Cl2 + SO3{-2} + H2O = Cl{-} + SO4{-2} + H{+} =>
Cl2 + SO3{-2} + H2O = 2 Cl{-} + SO4{-2} + 2 H{+}
(CH3COO)2Cu + O2 = CO2 + H2O + CuO =>
(CH3COO)2Cu + 4 O2 = 4 CO2 + 3 H2O + CuO
K2CO3 + NaNO3 = Na2CO3 + KNO3 =>
K2CO3 + 2 NaNO3 = Na2CO3 + 2 KNO3
H2OCaO = Ca(OH)2 =>
H2OCaO = Ca(OH)2
Cu + H(SO4) = Cu(SO4) + H2O + SO2 =>
3 Cu + 4 H(SO4) = 3 Cu(SO4) + 2 H2O + SO2
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
PbCrO4 + CH3COOH = Pb(CH3COO)2 + H2CrO4 =>
PbCrO4 + 2 CH3COOH = Pb(CH3COO)2 + H2CrO4
CH3CCH + NaH = CH3CCNa + H2 =>
CH3CCH + NaH = CH3CCNa + H2
Zn + Cr2(SO4)3 = Zn(SO4)3 + Cr =>
Zn + Cr2(SO4)3 = Zn(SO4)3 + 2 Cr
CrS2 + O2 = CrO2 + SO2 =>
CrS2 + 3 O2 = CrO2 + 2 SO2
Cl2 + SO3{-2} + H2O = Cl{-} + SO4{2-} + H{+} =>
Cl2 + SO3{-2} + H2O = 2 Cl{-} + SO4{2-} + 2 H{+}
Fe(C5H5)2 + C4H6O3 = [Fe(C5H4COCH3)(C5H5)] + CH3COOH =>
Fe(C5H5)2 + C4H6O3 = [Fe(C5H4COCH3)(C5H5)] + CH3COOH
Sr + HCl = SrCl + H2 =>
2 Sr + 2 HCl = 2 SrCl + H2
AgNO3 + ZnO = Ag2O + Zn(NO3)2 =>
2 AgNO3 + ZnO = Ag2O + Zn(NO3)2
PbCrO4 + CH3COOH = Pb{+2} + Cr2O7{-2} + CH3COO{-} + H2O =>
2 PbCrO4 + 2 CH3COOH = 2 Pb{+2} + Cr2O7{-2} + 2 CH3COO{-} + H2O
S + Cl2 = SCl4 =>
S + 2 Cl2 = SCl4
HCOOH + NH3 = HCOONH4 =>
HCOOH + NH3 = HCOONH4
Zn + Cr2(SO4)3 = Cr + Zn(SO4) =>
3 Zn + Cr2(SO4)3 = 2 Cr + 3 Zn(SO4)
Na + S + O2 = Na2S2O3 =>
4 Na + 4 S + 3 O2 = 2 Na2S2O3
Cr2O3 + KOH = K3CrO4 + H2O + H2 =>
Cr2O3 + 6 KOH = 2 K3CrO4 + H2O + 2 H2
MgO + (NH4)2CO3 = MgCO3 + NH3 + H2O =>
MgO + (NH4)2CO3 = MgCO3 + 2 NH3 + H2O
Rb3PO4 = Rb2O + P2O5 =>
2 Rb3PO4 = 3 Rb2O + P2O5
PbCrO4 + CH3COOH = Pb + Cr2O7 + CH3COO + H2O =>
2 PbCrO4 + 2 CH3COOH = 2 Pb + Cr2O7 + 2 CH3COO + H2O
Cu + H(SO4) = Cu(SO4) + H2O + SO2 =>
3 Cu + 4 H(SO4) = 3 Cu(SO4) + 2 H2O + SO2
Cu(C2H3O2)2 + KI = Cu2I2 + I2 + KC2H3O2 =>
2 Cu(C2H3O2)2 + 4 KI = Cu2I2 + I2 + 4 KC2H3O2
NO3{-} + H{+} + e = NO{-} + H2O =>
NO3{-} + 4 H{+} + 4e = NO{-} + 2 H2O
(NH4)2(SO4) + Al(OH)3 = NH3 + H2O + Al2(SO4)3 =>
3(NH4)2(SO4) + 2 Al(OH)3 = 6 NH3 + 6 H2O + Al2(SO4)3
CH3(CH2)6CH3(g) + O2 = CO2(g) + H2O(g) =>
2 CH3(CH2)6CH3(g) + 25 O2 = 16 CO2(g) + 18 H2O(g)
Cr2O3 + KOH = K3CrO3 + H2O =>
Cr2O3 + 6 KOH = 2 K3CrO3 + 3 H2O
C6H6 + KMnO4 = C3H3O2 + KMnO2 =>
C6H6 + 2 KMnO4 = 2 C3H3O2 + 2 KMnO2
Al(s) + Pb(No3)4(aq) = Al(No3)3(aq) + Pb(s) =>
4 Al(s) + 3 Pb(No3)4(aq) = 4 Al(No3)3(aq) + 3 Pb(s)
Fe(C5H5)2 + C4H6O3 = [Fe(C5H4COCH3)(C5H5)] + CH3COOH =>
Fe(C5H5)2 + C4H6O3 = [Fe(C5H4COCH3)(C5H5)] + CH3COOH
B2H6 + OF2 = BF3 + H2O =>
B2H6 + 3 OF2 = 2 BF3 + 3 H2O
Cr2O3 + KOH = KCrO2 + H2O =>
Cr2O3 + 2 KOH = 2 KCrO2 + H2O
AsO + O2 = As2O3 =>
4 AsO + O2 = 2 As2O3
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