| Équations équilibrées la veille |
FeSO4 + 2 NH4SCN = (NH4)2SO4 + Fe(SCN)2
KClO3 = K2 + ClO3 =>
2 KClO3 = K2 + 2 ClO3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
MnO4 + Cl2 = Mn + Cl2O =>
MnO4 + 4 Cl2 = Mn + 4 Cl2O
Fe2(SO3)3 = Fe + SO3 =>
Fe2(SO3)3 = 2 Fe + 3 SO3
NH3 + OH = NO + H2O =>
NH3 + 5 OH = NO + 4 H2O
Fe(SCN)3 + NaF = Na3[FeF6] + NaSCN =>
Fe(SCN)3 + 6 NaF = Na3[FeF6] + 3 NaSCN
Na3(PO4)12H2O + Zn(C2H3O2)2H2O = Zn3(PO4)24H2O + NaC2H3O2 + H2O =>
2 Na3(PO4)12H2O + 3 Zn(C2H3O2)2H2O = Zn3(PO4)24H2O + 6 NaC2H3O2 + 4 H2O
NaNO3(s) = NaNO2(s) + O2(g) =>
2 NaNO3(s) = 2 NaNO2(s) + O2(g)
K3[Fe(C2O4)3]*3H2O = K + Fe(C2O4)3 + H2O =>
K3[Fe(C2O4)3]*3H2O = 3 K + Fe(C2O4)3 + 3 H2O
Cr + ClO4 = CrO2 + ClO3 =>
Cr + 2 ClO4 = CrO2 + 2 ClO3
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
Zn(s) + H2SO(aq) = ZnSO(aq) + H2(g) =>
Zn(s) + H2SO(aq) = ZnSO(aq) + H2(g)
V(OH)3 = V2O3 + H2O =>
2 V(OH)3 = V2O3 + 3 H2O
CON2H4(aq) = C3N6H6(l) + CO2(g) + NH3(g) =>
6 CON2H4(aq) = C3N6H6(l) + 3 CO2(g) + 6 NH3(g)
P + KClO3 = P2O5 + KCl =>
6 P + 5 KClO3 = 3 P2O5 + 5 KCl
KCIO3(S) = KCI(S) + O(g) =>
KCIO3(S) = KCI(S) + 3 O(g)
MgAl2O4 + Mg2Al4Si5O18 = Mg3Al2Si3O12 + Al2SiO5 =>
MgAl2O4 + Mg2Al4Si5O18 = Mg3Al2Si3O12 + 2 Al2SiO5
H2C2O4 + MnO2 = MnCO3 + H2O + CO2 =>
H2C2O4 + MnO2 = MnCO3 + H2O + CO2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Ca(OH)2(s) = CaO + H2O =>
Ca(OH)2(s) = CaO + H2O
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
C6H12O + Cl2O = C6H10O + Cl2 + H2O =>
C6H12O + Cl2O = C6H10O + Cl2 + H2O
ZnCl2 + K2SO4 = KCl + ZnSO4 =>
ZnCl2 + K2SO4 = 2 KCl + ZnSO4
Zn(CN)4{2-} + CH2O + H2O = Zn{2+} + HOCH2CN + OH{-} =>
Zn(CN)4{2-} + 4 CH2O + 4 H2O = Zn{2+} + 4 HOCH2CN + 4 OH{-}
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Pb(NO3)2 + KI(ac) = PbI2(s) + KNO3(ac) =>
Pb(NO3)2 + 2 KI(ac) = PbI2(s) + 2 KNO3(ac)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2C4H2O4 + NaOH = H3O + NaC4H2O4 =>
H2C4H2O4 + NaOH = H3O + NaC4H2O4
H{+} + HNO2 + Fe{2+} = Fe{3+} + NO + H2O =>
H{+} + HNO2 + Fe{2+} = Fe{3+} + NO + H2O
CH3CH2CH2CH3 + Br2 = CH3CH2CH2CH2* + HBr =>
2 CH3CH2CH2CH3 + Br2 = 2 CH3CH2CH2CH2* + 2 HBr
Br2 + Cu = CuBr2 =>
Br2 + Cu = CuBr2
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
H3AsO4 + H2S = S8 + H2O + AsS2 =>
16 H3AsO4 + 40 H2S = S8 + 64 H2O + 16 AsS2
HCl + H2SO4 = H2S + H2O + Cl2 =>
8 HCl + H2SO4 = H2S + 4 H2O + 4 Cl2
S(s) + H2SO4(ac) = SO2(g) + H2O(l) =>
S(s) + 2 H2SO4(ac) = 3 SO2(g) + 2 H2O(l)
ReO2 + Cl2 + H2O = HReO4 + Cl{-} + H3O{+} =>
2 ReO2 + 3 Cl2 + 10 H2O = 2 HReO4 + 6 Cl{-} + 6 H3O{+}
Fe + NiI2 = Ni + FeI2 =>
Fe + NiI2 = Ni + FeI2
CoSO4 + KOH = Co(OH)2 + K2(SO4) =>
CoSO4 + 2 KOH = Co(OH)2 + K2(SO4)
Na2MnO4 + NaBr + H2O = MnO2 + Br2 + NaOH =>
Na2MnO4 + 2 NaBr + 2 H2O = MnO2 + Br2 + 4 NaOH
NaOH(aq) + H3PO4(aq) = NaPO4(aq) + H3OH(aq) =>
NaOH(aq) + H3PO4(aq) = NaPO4(aq) + H3OH(aq)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NO(g) + Cl(g) = NOCl(g) =>
NO(g) + Cl(g) = NOCl(g)
FeCl2 + I = ICl + Fe =>
FeCl2 + 2 I = 2 ICl + Fe
Ca(OH)HCO3 = CaCO3 + H2O =>
Ca(OH)HCO3 = CaCO3 + H2O
Cl2 + MgF2 = MgCl2 + F =>
Cl2 + MgF2 = MgCl2 + 2 F
Ba(NO3)2 + Na2S2O3 = BaS2O3 + Na(NO3) =>
Ba(NO3)2 + Na2S2O3 = BaS2O3 + 2 Na(NO3)
ZnSO4 + NaOH = Na2SO4 + Zn(OH)2 =>
ZnSO4 + 2 NaOH = Na2SO4 + Zn(OH)2
NaCl + Pb(NO3)2 = NaNO3 + PbCl2 =>
2 NaCl + Pb(NO3)2 = 2 NaNO3 + PbCl2
V(CH3COO)3(aq) + Na2Se(aq) = NaCH3COO(aq) + V2Se3(ppt) =>
2 V(CH3COO)3(aq) + 3 Na2Se(aq) = 6 NaCH3COO(aq) + V2Se3(ppt)
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