Équations équilibrées la veille |
H2S + CaH2 = CaS + 2 H2
NaHCO3 + HCl = NaClCO2H2O =>
NaHCO3 + HCl = NaClCO2H2O
Fe2O3 + KClO3 + NaOH = Na2(FeO4) + KCl + H2O =>
Fe2O3 + KClO3 + 4 NaOH = 2 Na2(FeO4) + KCl + 2 H2O
Al(CH3COO)3 + HCl = AlCl3 + (CH3COOH)3 =>
Al(CH3COO)3 + 3 HCl = AlCl3 + (CH3COOH)3
Zn + HCl + H2O = ZnCl2 + H3O =>
Zn + 2 HCl + 2 H2O = ZnCl2 + 2 H3O
Hg(SCN)2 = HgS + CS2 + C3N4 =>
2 Hg(SCN)2 = 2 HgS + CS2 + C3N4
Fe + H2SO4(aq) = FeO + H2O + SO2 =>
Fe + H2SO4(aq) = FeO + H2O + SO2
CrCl3 + H2O2 + H2SO3 = CrSO4 + HCl =>
2 CrCl3 + H2O2 + 2 H2SO3 = 2 CrSO4 + 6 HCl
Hg2S2 + O2 = Hg + SO2 =>
Hg2S2 + 2 O2 = 2 Hg + 2 SO2
NaJ + Cl2 + H2O = NaJO3 + HCl =>
NaJ + 3 Cl2 + 3 H2O = NaJO3 + 6 HCl
H2S + Br2 = SBr + H =>
2 H2S + Br2 = 2 SBr + 4 H
CH3CH2BrZn = CH3CH2ZnBr =>
CH3CH2BrZn = CH3CH2ZnBr
Pb + Ca(NO3)2 = Ca + Pb(NO3)3 =>
2 Pb + 3 Ca(NO3)2 = 3 Ca + 2 Pb(NO3)3
BP = B + P =>
BP = B + P
H2 + PO3 = H3PO3 =>
3 H2 + 2 PO3 = 2 H3PO3
Ca + P + H2O = Ca(OH)2 + PH3 =>
3 Ca + 2 P + 6 H2O = 3 Ca(OH)2 + 2 PH3
Cs(s) + H2O(l) = CsH(aq) + O2(g) =>
4 Cs(s) + 2 H2O(l) = 4 CsH(aq) + O2(g)
NaCe(BH4)4 = Na + CeB6 + CeH2 + H2 =>
3 NaCe(BH4)4 = 3 Na + 2 CeB6 + CeH2 + 23 H2
Al(OH)3(s) + HCIO4(aq) = Al(CIO4)3(aq) + H2O(l) =>
Al(OH)3(s) + 3 HCIO4(aq) = Al(CIO4)3(aq) + 3 H2O(l)
SO2 + H2SeO4 + H2O = Se + H2SO4 =>
3 SO2 + H2SeO4 + 2 H2O = Se + 3 H2SO4
NaOH + Fe4[Fe(CN)6]3 = Fe(OH)3 + Na4[Fe(CN)6] =>
12 NaOH + Fe4[Fe(CN)6]3 = 4 Fe(OH)3 + 3 Na4[Fe(CN)6]
CH3C6H4NO2 + KMnO4 + H2SO4 = COOHC6H4NO2 + K2SO4 + MnSO4 + H2O =>
5 CH3C6H4NO2 + 6 KMnO4 + 9 H2SO4 = 5 COOHC6H4NO2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
Fe2S3 + O = FeO3 + SO2 =>
Fe2S3 + 12 O = 2 FeO3 + 3 SO2
(C24H51NH)4UO2(SO4)3 + Na{+} + Cl{-} = C24H51N + Na2SO4 + Na2UO2(SO4)2 + HCl =>
(C24H51NH)4UO2(SO4)3 + 4 Na{+} + 4 Cl{-} = 4 C24H51N + Na2SO4 + Na2UO2(SO4)2 + 4 HCl
Al(s) + F2(g) = AlF2 =>
Al(s) + F2(g) = AlF2
HNO2 = NO2 + NO + H2O =>
2 HNO2 = NO2 + NO + H2O
F2S3 + HCl = FCl3 + H2S =>
F2S3 + 6 HCl = 2 FCl3 + 3 H2S
C9H12 + Br2 = C9H11Br + HBr =>
C9H12 + Br2 = C9H11Br + HBr
FeBr2Fe2(Cr2O7)3 + HBrO + CrO = Fe2(Cr2O7)3 + H2CrO + Br2 =>
4 FeBr2Fe2(Cr2O7)3 + 30 HBrO + 27 CrO = 6 Fe2(Cr2O7)3 + 15 H2CrO + 19 Br2
N = N4 =>
4 N = N4
KOH + Fe(OH)2 = K2[Fe(OH)4] =>
2 KOH + Fe(OH)2 = K2[Fe(OH)4]
[NH4]2S = NH3 + H2S =>
[NH4]2S = 2 NH3 + H2S
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(s) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(s)
Pb(NO3)2 + ZnSO4 = Pb2(SO4)2 + Zn(NO3)2 =>
2 Pb(NO3)2 + 2 ZnSO4 = Pb2(SO4)2 + 2 Zn(NO3)2
C9H13NO2 + NaOH + NH4NO3 + Li = C9H11N + LiH + NaNO3 =>
C9H13NO2 + 4 NaOH + 2 NH4NO3 + 14 Li = C9H11N + 14 LiH + 4 NaNO3
CO2ZnO = ZnCO3 =>
CO2ZnO = ZnCO3
Fe + HNO3 = Fe(NO3) + NH4NO3 + H2O =>
8 Fe + 10 HNO3 = 8 Fe(NO3) + NH4NO3 + 3 H2O
FeS(s) + HNO3(aq) = Fe(NO3)2 + H2S =>
FeS(s) + 2 HNO3(aq) = Fe(NO3)2 + H2S
NaOCO2 = Na(CO3) =>
NaOCO2 = Na(CO3)
C + CO2 = C2O2 =>
C + CO2 = C2O2
Mg(AsO3)2CuSO4 = Cu(AsO3)2MgSO4 =>
Mg(AsO3)2CuSO4 = Cu(AsO3)2MgSO4
Al + (SO4)3 + KOH = Al(OH)3 + K(SO4)3 =>
Al + 3(SO4)3 + 3 KOH = Al(OH)3 + 3 K(SO4)3
SO2 + Ca(OH)2 = H2CaSO4 =>
SO2 + Ca(OH)2 = H2CaSO4
C6H6O + Ca(OH)2 = (C6H5O)2Ca + H2O =>
2 C6H6O + Ca(OH)2 = (C6H5O)2Ca + 2 H2O
F2 + CH4 + CO = C6H12O6 + CF4 =>
6 F2 + 3 CH4 + 6 CO = C6H12O6 + 3 CF4
CU(NO3)2 + BaCl2 = CUBa + Cl2(NO3)2 =>
CU(NO3)2 + BaCl2 = CUBa + Cl2(NO3)2
KMnO4 + HNO2 + H2SO4 = K2SO4 + MnSO4 + HNO3 + H2O =>
2 KMnO4 + 5 HNO2 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 HNO3 + 3 H2O
HI(aq) + NaOH(aq) = H2O(l) + NaI(at) =>
HI(aq) + NaOH(aq) = H2O(l) + NaI(at)
CH3CH2CH3CH3 + O2 = H2O + CO2 =>
4 CH3CH2CH3CH3 + 27 O2 = 22 H2O + 16 CO2
C2H5NH2 + H2O = OH + C2H5NH2H =>
C2H5NH2 + H2O = OH + C2H5NH2H
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