Équations équilibrées la veille |
3 HNO2 + 2 KMnO4 = H2O + 2 MnO2 + 2 KNO3 + HNO3
aluminum + iodine = AlI =>
2 Al + I2 = 2 AlI
HIO4 + RbOH = RbIO4 + HOH =>
HIO4 + RbOH = RbIO4 + HOH
Ag2S + H2 = Ag + H2S =>
Ag2S + H2 = 2 Ag + H2S
Ba3(PO4)2 + H2O = Ba + H3PO4 + OH =>
Ba3(PO4)2 + 6 H2O = 3 Ba + 2 H3PO4 + 6 OH
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
Fe + C = Fe4C3 =>
4 Fe + 3 C = Fe4C3
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
Cu + Cl2 = Cu(ii)Cl =>
2 Cu + Cl2 = 2 Cu(ii)Cl
MnO2 + H2PO4 = Mn2(PO4)4 + H2O =>
2 MnO2 + 4 H2PO4 = Mn2(PO4)4 + 4 H2O
CoSO4 + KNO2 + H2SO4 = K3[Co(NO2)6] + NO + K2SO4 + H2O =>
CoSO4 + 7 KNO2 + H2SO4 = K3[Co(NO2)6] + NO + 2 K2SO4 + H2O
NH3(aq) + H2SO4(aq) = NSO4 + H6 =>
6 NH3(aq) + 6 H2SO4(aq) = 6 NSO4 + 5 H6
AgNO3 + B2Cl2 = AgCl + B2(NO3)2 =>
2 AgNO3 + B2Cl2 = 2 AgCl + B2(NO3)2
Zn + Ni2Cl = Ni2 + ZnCl =>
Zn + Ni2Cl = Ni2 + ZnCl
Au + N2 = Au3N2 =>
3 Au + N2 = Au3N2
Na + Cr2(CrO4)3 = Cr + Na2(CrO4) =>
6 Na + Cr2(CrO4)3 = 2 Cr + 3 Na2(CrO4)
Rb + H2SO = Rb2SO4 + H2O + H2S =>
2 Rb + 5 H2SO = Rb2SO4 + H2O + 4 H2S
Fe(O3) + CO = Fe + CO2 =>
Fe(O3) + 3 CO = Fe + 3 CO2
Li + O2 = Li2O(Li2O) =>
4 Li + O2 = Li2O(Li2O)
Br2 + CuI2 = CuBr2 + I2 =>
Br2 + CuI2 = CuBr2 + I2
Ba(OH)2 = BaO + H2O =>
Ba(OH)2 = BaO + H2O
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
In + F = InF =>
In + F = InF
TI2SO4 = TI2 + SO4 =>
TI2SO4 = TI2 + SO4
CuSO4 + KSCN = KSO4 + CuSCN =>
CuSO4 + KSCN = KSO4 + CuSCN
HCl + MnS = H2S + MnCl2 =>
2 HCl + MnS = H2S + MnCl2
NaOH + (NH4)3PO4 = Na3PO4 + H2O + NH3 =>
3 NaOH + (NH4)3PO4 = Na3PO4 + 3 H2O + 3 NH3
CH3CHOHCH2CH3 + CuO = CH3COCH3 + H2O + Cu =>
3 CH3CHOHCH2CH3 + 4 CuO = 4 CH3COCH3 + 3 H2O + 4 Cu
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
H + Cl = HCl =>
H + Cl = HCl
NaCl + Al = AlCl + Na =>
NaCl + Al = AlCl + Na
CH3COOH + Cl2 = ClCH3COOH =>
2 CH3COOH + Cl2 = 2 ClCH3COOH
NaClPb(NO3)2 = Na(NO3)2PbCl =>
NaClPb(NO3)2 = Na(NO3)2PbCl
Mg + Fe(NO3)3 = Mg3(NO3)2 + Fe =>
9 Mg + 2 Fe(NO3)3 = 3 Mg3(NO3)2 + 2 Fe
Cu2O + CO2 + H2O + O2 = CuCO3Cu(OH)2 =>
2 Cu2O + 2 CO2 + 2 H2O + O2 = 2 CuCO3Cu(OH)2
CuF2 + NH3 = Cu3N + NH4F + N2 =>
6 CuF2 + 16 NH3 = 2 Cu3N + 12 NH4F + N2
N + HCl = NCl + H2 =>
2 N + 2 HCl = 2 NCl + H2
Ca(s) + H2O = H2(g) + Ca(OH)2(s) =>
Ca(s) + 2 H2O = H2(g) + Ca(OH)2(s)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
6 NaI + K2Cr2O7 + 7 H2SO4 = 3 I2 + Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 7 H2O
C12H7Cl2NO2 + C6H8O6 = C12H9Cl2NO2 + C6H6O6 =>
C12H7Cl2NO2 + C6H8O6 = C12H9Cl2NO2 + C6H6O6
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
K(s) + H2O(l) = KO(aq) + H2(g) =>
K(s) + H2O(l) = KO(aq) + H2(g)
C99H140N20O17 + O2 = CO2 + H2O + NH3 =>
2 C99H140N20O17 + 221 O2 = 198 CO2 + 80 H2O + 40 NH3
BaCl2(aq) + Na2S(aq) = BaS(aq) + NaCl(aq) =>
BaCl2(aq) + Na2S(aq) = BaS(aq) + 2 NaCl(aq)
SO2 + O = SO4 =>
SO2 + 2 O = SO4
AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(aq) =>
2 AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(aq)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
AlBr3 + COCl2 = COBr2 + AlCl2Br =>
AlBr3 + COCl2 = COBr2 + AlCl2Br
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Équations équilibrées sur12/13/24
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