Équations équilibrées la veille |
3 C2H4 = 2 C3H6
C2H5OH + I2 = C2H4OI + HI =>
2 C2H5OH + 3 I2 = 2 C2H4OI + 4 HI
HClO2 + NaI + H2O = Cl2 + I2 + NaOH =>
2 HClO2 + 6 NaI + 2 H2O = Cl2 + 3 I2 + 6 NaOH
NaClO3 + O2 = NaClO4 =>
2 NaClO3 + O2 = 2 NaClO4
Na3AsO4 + KI + H2SO4 = Na3AsO3 + I2 + K2SO4 + H2O =>
Na3AsO4 + 2 KI + H2SO4 = Na3AsO3 + I2 + K2SO4 + H2O
NH5(g) + N2O(g) = N2(g) + H2O(g) =>
2 NH5(g) + 5 N2O(g) = 6 N2(g) + 5 H2O(g)
Cu(NO3)2 + NH3 + H2O = Cu(OH)2 + NHNO3 =>
11 Cu(NO3)2 + 10 NH3 + 4 H2O = 11 Cu(OH)2 + 16 NHNO3
H2O + CO2 = C5H12O5 + O2 =>
12 H2O + 10 CO2 = 2 C5H12O5 + 11 O2
CH3CH2CH2CH2OH + NaBr = CH3CH2CH2CH2Br + NaOH =>
CH3CH2CH2CH2OH + NaBr = CH3CH2CH2CH2Br + NaOH
HCl + Mn + HNO3 = MnCl2 + NO2 + H2O =>
2 HCl + Mn + 2 HNO3 = MnCl2 + 2 NO2 + 2 H2O
HNO3 + Ag = AgNO3 + H5 =>
5 HNO3 + 5 Ag = 5 AgNO3 + H5
HCl + Mn + HNO3 = MnCl2 + NO2 + H2O =>
2 HCl + Mn + 2 HNO3 = MnCl2 + 2 NO2 + 2 H2O
N2O5 + Al = Al2O3 + N2 =>
3 N2O5 + 10 Al = 5 Al2O3 + 3 N2
FeS + HCl = HHS + FeCl2 =>
FeS + 2 HCl = HHS + FeCl2
HCl + Mn + HNO3 = MnCl2 + NO2 + H2O =>
2 HCl + Mn + 2 HNO3 = MnCl2 + 2 NO2 + 2 H2O
C4H3(oh) + O2 = CO2 + H2O =>
4 C4H3(oh) + 19 O2 = 16 CO2 + 6 H2O
CH3CH2CH2OH + MnO4{-} = CH3CH2COOH + MnO2 + OH{-} + H2O =>
3 CH3CH2CH2OH + 4 MnO4{-} = 3 CH3CH2COOH + 4 MnO2 + 4 OH{-} + H2O
Li + Fe3(PO4)2 = Fe + Li3PO4 =>
6 Li + Fe3(PO4)2 = 3 Fe + 2 Li3PO4
Na2SO3 + (NH4)3PO4 = (NH4)2SO3 + Na3PO4 =>
3 Na2SO3 + 2(NH4)3PO4 = 3(NH4)2SO3 + 2 Na3PO4
Fe3(NO3)3 + NaOH = Fe3(OH)3 + NaNO3 =>
Fe3(NO3)3 + 3 NaOH = Fe3(OH)3 + 3 NaNO3
Na2Be(OH)4 + HCl = BeCl2 + NaCl + H2O =>
Na2Be(OH)4 + 4 HCl = BeCl2 + 2 NaCl + 4 H2O
KCrO2 + H2O = K[Cr(OH)4] =>
KCrO2 + 2 H2O = K[Cr(OH)4]
C6H5CH2COOCH2CH3 + NaOH = C6H5CH2COONa + HOCH2CH3 =>
C6H5CH2COOCH2CH3 + NaOH = C6H5CH2COONa + HOCH2CH3
SiO3 + KOH = K2SiO4 + H2O =>
SiO3 + 2 KOH = K2SiO4 + H2O
K2Cr2O7 + H2SO4 + C3H7COH = K2SO4 + Cr2(SO4)3 + H2O + C3H7COOH =>
K2Cr2O7 + 4 H2SO4 + 3 C3H7COH = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 C3H7COOH
K + AlPO4 = K3PO4 + Al =>
3 K + AlPO4 = K3PO4 + Al
Na2(CrO4) + Pb(NO3)2 = NaNO3 + Pb(CrO4) =>
Na2(CrO4) + Pb(NO3)2 = 2 NaNO3 + Pb(CrO4)
Mg + HPO4 = MgPO4 + H2 =>
2 Mg + 2 HPO4 = 2 MgPO4 + H2
CeO4 + KI + HCl = KCl + CeCl3 + H2O + I2 =>
2 CeO4 + 10 KI + 16 HCl = 10 KCl + 2 CeCl3 + 8 H2O + 5 I2
CH3(CH2)11C6H4SO3H + Na2SiO3 = CH3(CH2)11C6H4SO3Na + H2SiO3 =>
2 CH3(CH2)11C6H4SO3H + Na2SiO3 = 2 CH3(CH2)11C6H4SO3Na + H2SiO3
HNO3 + NH3 = N + H2O =>
3 HNO3 + 5 NH3 = 8 N + 9 H2O
NaHCO3(s) = Na2O(a) + H2O(g) + CO2(g) =>
2 NaHCO3(s) = Na2O(a) + H2O(g) + 2 CO2(g)
SO4{-2} + Ba{2+} = BaSO4 =>
SO4{-2} + Ba{2+} = BaSO4
Sc(PO4) + Ca(CO3) = Sc2(CO3)3 + Ca3(PO4)2 =>
2 Sc(PO4) + 3 Ca(CO3) = Sc2(CO3)3 + Ca3(PO4)2
K2O + H2O = K2H2 + O2 =>
K2O + H2O = K2H2 + O2
SO4 + MgO = MgSO4 + O =>
SO4 + MgO = MgSO4 + O
LiOH + Li2SO4 = Li2OH + LiSO4 =>
LiOH + Li2SO4 = Li2OH + LiSO4
CH4 + Ca = H2 + CaC2 =>
2 CH4 + Ca = 4 H2 + CaC2
LiO2 + H2O = LiOH + O2 =>
4 LiO2 + 2 H2O = 4 LiOH + 3 O2
(NH4)2CO3(aq) + Ag2SO4(aq) = Ag2CO3(s) + (NH4)2SO4 =>
(NH4)2CO3(aq) + Ag2SO4(aq) = Ag2CO3(s) + (NH4)2SO4
HBr + CH2NH3 = NH4 + CH2Br =>
HBr + CH2NH3 = NH4 + CH2Br
HClO4 + SO2 + H2O = HSO4 + HCl =>
3 HClO4 + 8 SO2 + 4 H2O = 8 HSO4 + 3 HCl
Nh3 + HCl = Nh4Cl + H =>
4 Nh3 + 3 HCl = 3 Nh4Cl + 3 H
NH4I + KOH = NH4OH + KI = H2O + KN + I =>
NH4I + KOH = NH4OH + KI
FeC2O4*2H2O + K2C2O4*H2O + H2C2O4 + H2O2 = K3[Fe(C2O4)3] + H2O =>
2 FeC2O4*2H2O + 3 K2C2O4*H2O + H2C2O4 + H2O2 = 2 K3[Fe(C2O4)3] + 9 H2O
KBr + Hg2(CH3COO)2 = K(CH3COO) + Hg2Br2 =>
2 KBr + Hg2(CH3COO)2 = 2 K(CH3COO) + Hg2Br2
KL = K + L =>
KL = K + L
KMnO4 + FeCl2 + H2SO4 = MnSO4 + FeSO4 + Cl2 + K2SO4 + H2O =>
2 KMnO4 + 5 FeCl2 + 8 H2SO4 = 2 MnSO4 + 5 FeSO4 + 5 Cl2 + K2SO4 + 8 H2O
C6H11OH + CrO3 + H2SO4 = C7H12O2 + H2O + Cr2(SO4)3 =>
21 C6H11OH + 22 CrO3 + 33 H2SO4 = 18 C7H12O2 + 51 H2O + 11 Cr2(SO4)3
Pb + Cl2 + AgNO3 = Pb(NO3)2 + AgCl =>
Pb + Cl2 + 2 AgNO3 = Pb(NO3)2 + 2 AgCl
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