Équations équilibrées la veille |
SeO4 + 2 H = SeO3 + H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
H3PO4 + AgNO3 = Ag3PO4 + HNO3 =>
H3PO4 + 3 AgNO3 = Ag3PO4 + 3 HNO3
H2TeO4 + Ba(OH)2 = (BaOH)2TeO4 + H2O =>
H2TeO4 + 2 Ba(OH)2 = (BaOH)2TeO4 + 2 H2O
Al + Mg = Al2Mg3 =>
2 Al + 3 Mg = Al2Mg3
Be(OH)2 + NaOH = Na2Be(OH)4 =>
Be(OH)2 + 2 NaOH = Na2Be(OH)4
NaCrO2 + H2O = NaH2 + CrO3 =>
NaCrO2 + H2O = NaH2 + CrO3
NaClO + I2 + NaOH = NaCl + NaIO3 + H2O =>
5 NaClO + I2 + 2 NaOH = 5 NaCl + 2 NaIO3 + H2O
NaCl + AgNO{-}3 = NaNO{-}3 + AgCl =>
NaCl + AgNO{-}3 = NaNO{-}3 + AgCl
As + Se = As2Se3 =>
2 As + 3 Se = As2Se3
NaHCO3 + C2H4O2 = NaH3CO + HCO2 =>
NaHCO3 + C2H4O2 = NaH3CO + 2 HCO2
As + Se = As2Se3 =>
2 As + 3 Se = As2Se3
Cr + KClO3 + H2SO4 = Cr2(SO4)3 + KCl + H2O =>
2 Cr + KClO3 + 3 H2SO4 = Cr2(SO4)3 + KCl + 3 H2O
CaI + Al = AlI3 + Ca =>
3 CaI + Al = AlI3 + 3 Ca
Ni + H3PO4 = Ni2(PO4)2 + H2 =>
2 Ni + 2 H3PO4 = Ni2(PO4)2 + 3 H2
AgCl + NH4 = Ag(NH4)2 + Cl2 =>
2 AgCl + 4 NH4 = 2 Ag(NH4)2 + Cl2
H2S + NO3 = SNO3 + H =>
H2S + NO3 = SNO3 + 2 H
In2S3 = In2 + S3 =>
In2S3 = In2 + S3
V2O5 + HF = H2O + VF5 =>
V2O5 + 10 HF = 5 H2O + 2 VF5
C2H5NH2 + HNO3 = C2H5NH3NO3 =>
C2H5NH2 + HNO3 = C2H5NH3NO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Co(NO3)2*6H2O + Fe(NO3)3*9H2O + (NH2)2CO = CoFe2O4 + CO2 + N2 + H2O =>
3 Co(NO3)2*6H2O + 6 Fe(NO3)3*9H2O + 20(NH2)2CO = 3 CoFe2O4 + 20 CO2 + 32 N2 + 112 H2O
Al2 + O + H3Po = AlPo4 + H2O =>
Al2 + 12 O + 8 H3Po = 2 AlPo4 + 12 H2O
H2 + O = H2O =>
H2 + O = H2O
CH3COOH + (CH3)2CH2CH2OH = (CH3)2CH2CH2OCOCH3 + H2O =>
CH3COOH + (CH3)2CH2CH2OH = (CH3)2CH2CH2OCOCH3 + H2O
H2 + Fe(PN2)2 = (PH2N2H4)2FeH6 =>
9 H2 + Fe(PN2)2 = (PH2N2H4)2FeH6
In2S3 = In2 + S3 =>
In2S3 = In2 + S3
PH3 + Cl2 = PCl3 + HCl =>
PH3 + 3 Cl2 = PCl3 + 3 HCl
C17H33COOH + Br2 = C17H33COOBr2 + H2 =>
2 C17H33COOH + 2 Br2 = 2 C17H33COOBr2 + H2
H2O + P2O3 = PH3 + H3PO4 =>
6 H2O + 2 P2O3 = PH3 + 3 H3PO4
K + BaCl2 = KCl + Ba =>
2 K + BaCl2 = 2 KCl + Ba
HCl + Na2SO4 = H2SO4 + NaCl =>
2 HCl + Na2SO4 = H2SO4 + 2 NaCl
MnBr2 + CdC2H3O2 = MnC2H3O2 + CdBr2 =>
MnBr2 + CdC2H3O2 = MnC2H3O2 + CdBr2
In2S3 = In2 + S3 =>
In2S3 = In2 + S3
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Na2U2O7 = O3U + Na2O =>
Na2U2O7 = 2 O3U + Na2O
KFeCN + PbO2 + HCl = KCl + FeCl2 + PbCl2 + CO2 + HNO3 + H2O =>
KFeCN + 6 PbO2 + 15 HCl = KCl + FeCl2 + 6 PbCl2 + CO2 + HNO3 + 7 H2O
HCl + NaOH(heat) = H2O + NaCl =>
HCl + NaOH(heat) = H2O + NaCl
In2S3 = In2 + S3 =>
In2S3 = In2 + S3
Na2O + HCl = NaOH + NaCl =>
Na2O + HCl = NaOH + NaCl
Au3 + O2 = Au2O3 =>
4 Au3 + 9 O2 = 6 Au2O3
Fe2(SO4)3 + (NH4)2HPO4 = FePO4 + H2SO4 + (NH4)2SO4 =>
Fe2(SO4)3 + 2(NH4)2HPO4 = 2 FePO4 + H2SO4 + 2(NH4)2SO4
HCl + Na3PO4 = H3PO4 + NaCl =>
3 HCl + Na3PO4 = H3PO4 + 3 NaCl
Ag(NH3)2 + H2O + Cl = AgCl + HNO3 + NH4 =>
9 Ag(NH3)2 + 6 H2O + 9 Cl = 9 AgCl + 2 HNO3 + 16 NH4
In2S3 = In2 + S3 =>
In2S3 = In2 + S3
Cr2(SO4)3 + Na2O2 + NaOH = Na2CrO4 + Na2(SO4) + H2O =>
Cr2(SO4)3 + 3 Na2O2 + 4 NaOH = 2 Na2CrO4 + 3 Na2(SO4) + 2 H2O
CaCl + K2CrO4 = K2Cl + CaCrO4 =>
CaCl + K2CrO4 = K2Cl + CaCrO4
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
KMnO4 + H2SO4 + KI = MnSO4 + H2O + I2 + K2SO4 =>
2 KMnO4 + 8 H2SO4 + 10 KI = 2 MnSO4 + 8 H2O + 5 I2 + 6 K2SO4
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