| Équations équilibrées la veille |
2 NaNO2 + 2 Na2S2O5 + H2SO4 + 4 H2O = 2 HON(SO3Na)2*2H2O + Na2SO4
Zn + Fe(No3)2 = Zn(No3)3 + Fe =>
2 Zn + 3 Fe(No3)2 = 2 Zn(No3)3 + 3 Fe
C2H5OH = C4H9OH + H2O =>
2 C2H5OH = C4H9OH + H2O
Fe(NO3)3 + K2SO4 = Fe2(SO4)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2SO4 = Fe2(SO4)3 + 6 KNO3
FeCl3(aq) + KSCN(aq) = Fe(SCN)3(aq) + KCl(aq) =>
FeCl3(aq) + 3 KSCN(aq) = Fe(SCN)3(aq) + 3 KCl(aq)
Cu + CrSO4 = Cr + CuSO4 =>
Cu + CrSO4 = Cr + CuSO4
CH4 + Na2Cl4 = CCl4 + Na2 + H2 =>
CH4 + Na2Cl4 = CCl4 + Na2 + 2 H2
CrI3 + K2(CO3) = Cr2(CO3)3 + KI =>
2 CrI3 + 3 K2(CO3) = Cr2(CO3)3 + 6 KI
Al + K2CrO4 + KOH + H2O = K[Al(OH)4] + K3[Cr(OH)6] =>
Al + K2CrO4 + 2 KOH + 4 H2O = K[Al(OH)4] + K3[Cr(OH)6]
I2 + F2 = IF3 =>
I2 + 3 F2 = 2 IF3
NaOCl + NaCl + H2O = Cl2 + NaOH =>
NaOCl + NaCl + H2O = Cl2 + 2 NaOH
CrI3 + KOH + Cl2 = K2CrO3 + KIO4 + KCl + H2O =>
2 CrI3 + 60 KOH + 25 Cl2 = 2 K2CrO3 + 6 KIO4 + 50 KCl + 30 H2O
CH2 + S = CS2 + H2S =>
CH2 + 3 S = CS2 + H2S
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
M{+3} + OH{-} = M(OH)3 =>
M{+3} + 3 OH{-} = M(OH)3
SO2 + H2O = H2SO3H + H2SO4 =>
3 SO2 + 4 H2O = 2 H2SO3H + H2SO4
Rb + RbNO4 = Rb2O + N2 =>
14 Rb + 2 RbNO4 = 8 Rb2O + N2
Al(NO3)3 + Na2SO4 = Al2(SO4)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaNO3
C7H6O2 + K2CO3 = C7H5KO2 + CO2 + H2O =>
2 C7H6O2 + K2CO3 = 2 C7H5KO2 + CO2 + H2O
Na2CrO4 + BaI2 = BaCrO4 + NaI =>
Na2CrO4 + BaI2 = BaCrO4 + 2 NaI
I + FeCl3 = FeI + Cl3 =>
I + FeCl3 = FeI + Cl3
Ca(NO3)2 + K2SO4 = CaSO4 + NO3K =>
Ca(NO3)2 + K2SO4 = CaSO4 + 2 NO3K
Zn(s) + HF(aq) = ZnF2(aq) + H2(g) =>
Zn(s) + 2 HF(aq) = ZnF2(aq) + H2(g)
HPO3 + NH4OH = (NH4)2HPO4 + H2O =>
HPO3 + 2 NH4OH = (NH4)2HPO4 + H2O
CO2 + H2O = C13H22O11 + O2 =>
13 CO2 + 11 H2O = C13H22O11 + 13 O2
Zn + TiCl4 = Zn{2+} + TiCl3 + Cl{-} =>
Zn + 2 TiCl4 = Zn{2+} + 2 TiCl3 + 2 Cl{-}
NaOH + H2PO4 = Na(HPO4) + H2O =>
NaOH + H2PO4 = Na(HPO4) + H2O
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
MnO2 + H2SO4 + KI = MnSO4 + KSO4 + H2O + I2 =>
2 MnO2 + 4 H2SO4 + 2 KI = 2 MnSO4 + 2 KSO4 + 4 H2O + I2
CaO + Al = CaOAl2O3 + Ca =>
4 CaO + 2 Al = CaOAl2O3 + 3 Ca
Ag(s) + FeCl3(aq) = Fe + AgCl =>
3 Ag(s) + FeCl3(aq) = Fe + 3 AgCl
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
HIO4 + Sn(OH)4 = Sn(IO4)4 + H2O =>
4 HIO4 + Sn(OH)4 = Sn(IO4)4 + 4 H2O
KI + NaClO + H2SO4 = K2SO4 + NaCl + I2 + H2O =>
2 KI + NaClO + H2SO4 = K2SO4 + NaCl + I2 + H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
NH3 + NO2 + H2O = NH4NO2 =>
8 NH3 + 6 NO2 + 2 H2O = 7 NH4NO2
Pb + Fe(NO3)3 = Pb(NO3)2 + Fe =>
3 Pb + 2 Fe(NO3)3 = 3 Pb(NO3)2 + 2 Fe
Al2O3 + Ba(HCO3)2 = Al(HCO3)3 + BaO =>
Al2O3 + 3 Ba(HCO3)2 = 2 Al(HCO3)3 + 3 BaO
Mn(C2H3O2)2 + K2S = MnS + KC2H3O2 =>
Mn(C2H3O2)2 + K2S = MnS + 2 KC2H3O2
X6H12Y6 = X2H5YH + XY2 =>
X6H12Y6 = 2 X2H5YH + 2 XY2
Cu2O(s) + H2(g) = Cu(s) + H2O =>
Cu2O(s) + H2(g) = 2 Cu(s) + H2O
S + H2O2 = SO4 + H2O =>
S + 4 H2O2 = SO4 + 4 H2O
Fe + CO2 + HCl = HFe + HCCl2 + O2 =>
Fe + CO2 + 2 HCl = HFe + HCCl2 + O2
H2S2O3 + Ba(OH)2 = BaS2O3 + H2O =>
H2S2O3 + Ba(OH)2 = BaS2O3 + 2 H2O
H2Se + NaHCO3 = CO2 + H2O + Na2Se =>
H2Se + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2Se
K3Po4 + Sr = K + Sr3(Po4)2 =>
2 K3Po4 + 3 Sr = 6 K + Sr3(Po4)2
FeI2 + PbS = FeS + PbI2 =>
FeI2 + PbS = FeS + PbI2
C2H6 + CH = C2H4 =>
C2H6 + 2 CH = 2 C2H4
KCI + KCIO3 = KCIO =>
2 KCI + KCIO3 = 3 KCIO
OH + C2H2 = (COO)2 + H2O =>
10 OH + C2H2 = (COO)2 + 6 H2O
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