| Équations équilibrées la veille |
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
CH3CH2COOK + HCl = CH3CH2COOH + KCl =>
CH3CH2COOK + HCl = CH3CH2COOH + KCl
Fe2(O)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2(O)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Pb(CH3COO)2 + HI = PbI2 + (HCH3COO)2 =>
Pb(CH3COO)2 + 2 HI = PbI2 + (HCH3COO)2
I2 + Na2SeO3 + H2O = Na2SeO4 + HI =>
I2 + Na2SeO3 + H2O = Na2SeO4 + 2 HI
MnSO4NaClONaOH = MnO2Na2SO4HCl =>
MnSO4NaClONaOH = MnO2Na2SO4HCl
HNO3 + KClO3 = HClO3 + KNO3 =>
HNO3 + KClO3 = HClO3 + KNO3
PbCO3(s) + HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(i) =>
PbCO3(s) + 2 HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(i)
Na2Cr2O7 + HCl = CrCl3 + Cl2 + H2O + NaCl =>
Na2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 7 H2O + 2 NaCl
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
CH3OH(g) + N2(g) = HCN(g) + NH3(g) + O2(g) =>
2 CH3OH(g) + 2 N2(g) = 2 HCN(g) + 2 NH3(g) + O2(g)
Na2HPO4 + NaOH = Na3PO4H2O =>
Na2HPO4 + NaOH = Na3PO4H2O
HCl(ac) + Fe(OH)3(ac) = FeCl3 + H2O =>
3 HCl(ac) + Fe(OH)3(ac) = FeCl3 + 3 H2O
HfO2 + B2O3 + C = HfB2 + CO =>
HfO2 + B2O3 + 5 C = HfB2 + 5 CO
Mg + SO4 + KOH = Mg(OH)2 + K4SO4 =>
2 Mg + SO4 + 4 KOH = 2 Mg(OH)2 + K4SO4
Fe(NO3)3*9H2O + AgNO3 + Al(NO3)3*9H2O + C6H8O7*H2O = FeAgAlO2 + NO2 + H2O + CO2 =>
9 Fe(NO3)3*9H2O + 9 AgNO3 + 9 Al(NO3)3*9H2O + 5 C6H8O7*H2O = 9 FeAgAlO2 + 63 NO2 + 187 H2O + 30 CO2
HNO3 + K3(Al(OH)6) = KNO3 + Al(OH)3 + H2O =>
3 HNO3 + K3(Al(OH)6) = 3 KNO3 + Al(OH)3 + 3 H2O
FeS2 + KNO3 = Fe2O3 + SO2 + KNO2 =>
2 FeS2 + 11 KNO3 = Fe2O3 + 4 SO2 + 11 KNO2
(CH3)2CCH2 + (CH3)2CHCH3 = C8H18 =>
(CH3)2CCH2 + (CH3)2CHCH3 = C8H18
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
Na2Co3 + Ba(OH)2 = Na2(OH)2 + BaCo3 =>
Na2Co3 + Ba(OH)2 = Na2(OH)2 + BaCo3
KF + Ba = K + BaF =>
KF + Ba = K + BaF
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
HBrO + H2S = S + HBr + H2O =>
HBrO + H2S = S + HBr + H2O
C13H15O2N2 + O2 = CO2 + H2O + NO2 =>
4 C13H15O2N2 + 71 O2 = 52 CO2 + 30 H2O + 8 NO2
FeSO4 + K2CO3 = K2SO4 + FeCO3 =>
FeSO4 + K2CO3 = K2SO4 + FeCO3
C6H5Br + CH3CH2Br + Na = NaBr + C6H5CH3CH2 =>
C6H5Br + CH3CH2Br + 2 Na = 2 NaBr + C6H5CH3CH2
MnO + HBr = MnBr + Br + H2O =>
MnO + 2 HBr = MnBr + Br + H2O
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
CaC2O4 + CH3COOH = Ca(CH3COO)2 + H2C2O4 =>
CaC2O4 + 2 CH3COOH = Ca(CH3COO)2 + H2C2O4
CuSO4(s) + Mg(s) = MgSO4(aq) + Cu(s) =>
CuSO4(s) + Mg(s) = MgSO4(aq) + Cu(s)
(Zn(NO3)2) + (Na3PO4) = Zn3(PO4)2 + NaNO3 =>
3(Zn(NO3)2) + 2(Na3PO4) = Zn3(PO4)2 + 6 NaNO3
Pb + HNO3 = Pb(NO3)2 + NH4NO + H2O =>
6 Pb + 14 HNO3 = 6 Pb(NO3)2 + NH4NO + 5 H2O
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
SO3 + K(OH) = K2(SO4) + H2O =>
SO3 + 2 K(OH) = K2(SO4) + H2O
Cl = Cl2 =>
2 Cl = Cl2
AgClO3 + NaCl = AgCl + NaClO3 =>
AgClO3 + NaCl = AgCl + NaClO3
KMnO4 + HI + KOH = K2MnO4 + I2 + H2O =>
2 KMnO4 + 2 HI + 2 KOH = 2 K2MnO4 + I2 + 2 H2O
FeS2 + KNO3 = Fe2O3 + SO2 + KNO2 =>
2 FeS2 + 11 KNO3 = Fe2O3 + 4 SO2 + 11 KNO2
CH3HN2 + O2 = CO2 + H2O + N2 =>
CH3HN2 + 2 O2 = CO2 + 2 H2O + N2
NaOCl = NaCl + NaClO3 =>
3 NaOCl = 2 NaCl + NaClO3
AlCl3 + Cr(OH)3 = Al(OH)3 + CrCl3 =>
AlCl3 + Cr(OH)3 = Al(OH)3 + CrCl3
FeS2 + KNO3 = Fe2O3 + SO2 + KNO2 =>
2 FeS2 + 11 KNO3 = Fe2O3 + 4 SO2 + 11 KNO2
CS2 + NH3(g) = H2S(g) + NH4SCN(s) =>
CS2 + 2 NH3(g) = H2S(g) + NH4SCN(s)
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
KCN + S = KSCN =>
KCN + S = KSCN
Cl{-} + Fe{2+} = FeCl2 =>
2 Cl{-} + Fe{2+} = FeCl2
CH2CHCN + O2 = NO2 + CO2 + H2O =>
4 CH2CHCN + 19 O2 = 4 NO2 + 12 CO2 + 6 H2O
C6H10O5(s) + O2 = CO2 + H2O =>
C6H10O5(s) + 6 O2 = 6 CO2 + 5 H2O
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