| Équations équilibrées la veille |
C2H2O4 + NaOH = NaC2HO4 + H2O
CH3CH2OH + H2SO4 = (CH3CH2)2SO4 + H2O =>
2 CH3CH2OH + H2SO4 = (CH3CH2)2SO4 + 2 H2O
OH + S8 = SO3 + H2O =>
48 OH + S8 = 8 SO3 + 24 H2O
HNO3 + Na2SO3 = Na2SO4 + NO2 + H2O =>
2 HNO3 + Na2SO3 = Na2SO4 + 2 NO2 + H2O
ZnCl2 + H2CO3 = ZnCO3 + H2Cl2 =>
ZnCl2 + H2CO3 = ZnCO3 + H2Cl2
HCOOH + Na2CO3*10H2O = HCOONa + H2O + CO3 =>
3 HCOOH + 2 Na2CO3*10H2O = 4 HCOONa + 21 H2O + CO3
C6H10O4 + H2O = C6H12 + O2 =>
2 C6H10O4 + 2 H2O = 2 C6H12 + 5 O2
FeO3(g) + CO(g) = Fe(l) + CO2(g) =>
FeO3(g) + 3 CO(g) = Fe(l) + 3 CO2(g)
C2 + H2O = CO + H =>
C2 + 2 H2O = 2 CO + 4 H
Fe + KSCN = Fe(SCN)6 + K =>
Fe + 6 KSCN = Fe(SCN)6 + 6 K
HNO3 + HNO2 = H2O + N2O4 =>
HNO3 + HNO2 = H2O + N2O4
Na2SO3 + HNO3 = NaNO3 + H2SO3 =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2SO3
[Cd(NH3)4](OH)2 + Na2S = CdS + NaOH + NH3 =>
[Cd(NH3)4](OH)2 + Na2S = CdS + 2 NaOH + 4 NH3
LiOHH2O = Li2O + H2O =>
2 LiOHH2O = Li2O + 3 H2O
C6H10O4 + H2O = CH4 + CO2 =>
4 C6H10O4 + 6 H2O = 13 CH4 + 11 CO2
NH3 + Cr = CrN + H2 =>
2 NH3 + 2 Cr = 2 CrN + 3 H2
KNO3 + FeS = KNO2 + Fe2O3 + SO3 =>
9 KNO3 + 2 FeS = 9 KNO2 + Fe2O3 + 2 SO3
C4H8 + CO2 = CO + H2 =>
C4H8 + 4 CO2 = 8 CO + 4 H2
Y + P4 = YP =>
4 Y + P4 = 4 YP
KMnO4 + NaOH + KI = Na2MnO4 + I2 + KOH =>
2 KMnO4 + 4 NaOH + 2 KI = 2 Na2MnO4 + I2 + 4 KOH
Ba(OH)2(s) = Ba(aq) + OH(aq) =>
Ba(OH)2(s) = Ba(aq) + 2 OH(aq)
C3H6 + O2 = H20(water) + CO2 =>
10 C3H6 + 30 O2 = 3 H20(water) + 30 CO2
FeS + KNO3 = Fe(NO3)2 + K2S =>
FeS + 2 KNO3 = Fe(NO3)2 + K2S
NH4OH + Li = H2 + NH3 + LiOH =>
2 NH4OH + 2 Li = H2 + 2 NH3 + 2 LiOH
BaSO4 = BaS + O2 =>
BaSO4 = BaS + 2 O2
Na2SO4 + AgClO3 = Ag2SO4 + NaClO3 =>
Na2SO4 + 2 AgClO3 = Ag2SO4 + 2 NaClO3
NO2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + N2O5 + H2O =>
10 NO2 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 N2O5 + 3 H2O
KMnO4 + NaOH + KI = KNaMnO4 + KIO3 + H2O =>
6 KMnO4 + 6 NaOH + KI = 6 KNaMnO4 + KIO3 + 3 H2O
Fe + KSCN = Fe(SCN)2 + K =>
Fe + 2 KSCN = Fe(SCN)2 + 2 K
Ba(OH)2(s) = BaO(s) + H2O(g) =>
Ba(OH)2(s) = BaO(s) + H2O(g)
Ce(OH)2 = CeO + H2O =>
Ce(OH)2 = CeO + H2O
Re + HNO3 = HReO4 + NO + H2O =>
3 Re + 7 HNO3 = 3 HReO4 + 7 NO + 2 H2O
Na2SO4 + Mg(NO2)2 = NaNO2 + MgSO4 =>
Na2SO4 + Mg(NO2)2 = 2 NaNO2 + MgSO4
H3AsO4 + Ni(OH)3 = NiAsO4 + H2O =>
H3AsO4 + Ni(OH)3 = NiAsO4 + 3 H2O
CuO + SO2 = CuSO3 =>
CuO + SO2 = CuSO3
(Nh4)3P + S = (Nh4)2S + P =>
2(Nh4)3P + 3 S = 3(Nh4)2S + 2 P
KMnO4 + NaOH + KI = Na2MnO4 + KIO3 + H2O + KOH =>
6 KMnO4 + 12 NaOH + KI = 6 Na2MnO4 + KIO3 + 3 H2O + 6 KOH
Fe + KSCN = FeKSCN =>
Fe + KSCN = FeKSCN
Fe(NO3)3 + C12H22O11 = Fe3O4 + CO2 + H2O + N2 =>
72 Fe(NO3)3 + 23 C12H22O11 = 24 Fe3O4 + 276 CO2 + 253 H2O + 108 N2
Na2S2O3 + NaOH + Ca(ClO)2 = CaSO3 + NaCl + Na2SO3 + H2O =>
Na2S2O3 + 2 NaOH + Ca(ClO)2 = CaSO3 + 2 NaCl + Na2SO3 + H2O
CrO3 + HI = Cr2O3 + I2 + H2O =>
2 CrO3 + 6 HI = Cr2O3 + 3 I2 + 3 H2O
CuO + SO2 = CuS + O2 =>
2 CuO + 2 SO2 = 2 CuS + 3 O2
FeZn + HCl = H2 + FeCl2 + Zn =>
FeZn + 2 HCl = H2 + FeCl2 + Zn
NaCl + K2Cr2O7 = KCl + Na2Cr2O7 =>
2 NaCl + K2Cr2O7 = 2 KCl + Na2Cr2O7
Na3(PO4)(aq) + CuCl2(aq) = NaCl(aq) + Cu3(PO4)2(s) =>
2 Na3(PO4)(aq) + 3 CuCl2(aq) = 6 NaCl(aq) + Cu3(PO4)2(s)
KMnO4 + NaOH + KI = KOH + MnO2 + Na2O + I2 =>
2 KMnO4 + 8 NaOH + 6 KI = 8 KOH + 2 MnO2 + 4 Na2O + 3 I2
Fe + KSCN = Fe(SCN)3 + K =>
Fe + 3 KSCN = Fe(SCN)3 + 3 K
Ba(OH)2(s) = BaO(s) + H2O(l) =>
Ba(OH)2(s) = BaO(s) + H2O(l)
Ca(ClO)2 + Na2S2O3 + NaOH = CaCl2 + Na2SO3 + H2O =>
Ca(ClO)2 + Na2S2O3 + 2 NaOH = CaCl2 + 2 Na2SO3 + H2O
C4H6(OH)2 + O2 = CO2 + H2O =>
C4H6(OH)2 + 5 O2 = 4 CO2 + 4 H2O
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