Équations équilibrées la veille |
NaI + 3 H2O2 = NaIO3 + 3 H2O
Cu(OH)2 + Fe(NO3)3 = Fe(OH)3 + Cu(NO3)2 =>
3 Cu(OH)2 + 2 Fe(NO3)3 = 2 Fe(OH)3 + 3 Cu(NO3)2
CaCO3 + CH3COOH = CH3COO2Ca + H2O + CO2 =>
8 CaCO3 + 7 CH3COOH = 8 CH3COO2Ca + 2 H2O + 6 CO2
Cs(OH)2 + CO2 = CsCO3 + H2O =>
Cs(OH)2 + CO2 = CsCO3 + H2O
C6H5OH + Fe2O3 + CH4N2O = C6H5NH2 + FeCO3 + H2O =>
45 C6H5OH + 14 Fe2O3 + 22 CH4N2O = 44 C6H5NH2 + 28 FeCO3 + 25 H2O
Pb(NO3)2 + KCN = KNO3 + Pb(CN)2 =>
Pb(NO3)2 + 2 KCN = 2 KNO3 + Pb(CN)2
Cs + HNO3 = CsNO3 + NH4NO3 + H2O =>
8 Cs + 10 HNO3 = 8 CsNO3 + NH4NO3 + 3 H2O
HCl + ZnCl2 = HCl2 + ZnCl =>
HCl + ZnCl2 = HCl2 + ZnCl
AlCl3(s) + H2O(i) = Al(OH)3(s) + HCl(ac) =>
AlCl3(s) + 3 H2O(i) = Al(OH)3(s) + 3 HCl(ac)
Al(SO4)3 + BaOH = Al(OH)3 + BaSO4 =>
Al(SO4)3 + 3 BaOH = Al(OH)3 + 3 BaSO4
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO + KHSO + H2O =>
34 FeSO4 + 2 KMnO4 + 21 H2SO4 = 17 Fe2(SO4)3 + 2 MnSO + 2 KHSO + 20 H2O
BaFeO4 + HCl = Cl2 + BaCl2 + Fe2O3 + H2O =>
2 BaFeO4 + 10 HCl = 3 Cl2 + 2 BaCl2 + Fe2O3 + 5 H2O
Pb + H3PO4 = Pb3(PO4)2 + H =>
3 Pb + 2 H3PO4 = Pb3(PO4)2 + 6 H
CaOAl2O3 + H2O = CaOAl2O3H2O =>
CaOAl2O3 + H2O = CaOAl2O3H2O
Ni + H2O + O2 = Ni(OH)2 =>
2 Ni + 2 H2O + O2 = 2 Ni(OH)2
FeBr3 + (NH4)2S = Fe2(S)3 + NH4Br =>
2 FeBr3 + 3(NH4)2S = Fe2(S)3 + 6 NH4Br
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq) =>
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq)
Ni(OH) + NH3H2O = [Ni(NH3)5](OH) + H2O =>
Ni(OH) + 5 NH3H2O = [Ni(NH3)5](OH) + 5 H2O
C24 = C30 =>
5 C24 = 4 C30
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
HCO3{-} + H{+} = H2O + CO2 =>
HCO3{-} + H{+} = H2O + CO2
CH3CH2COOH + C3H8O = C6H12O2 + H2O =>
CH3CH2COOH + C3H8O = C6H12O2 + H2O
HI + Al(OH)3 = AlI3 + H2O =>
3 HI + Al(OH)3 = AlI3 + 3 H2O
H2S2O3 + H3AsO3 = As2S3 + H2S4O6 + H2O =>
27 H2S2O3 + 4 H3AsO3 = 2 As2S3 + 12 H2S4O6 + 21 H2O
Fe(OH)3 + NaOH = Na3Fe(OH)6 =>
Fe(OH)3 + 3 NaOH = Na3Fe(OH)6
NH2CH2COOHNH3 = NH2CH2COONH2H2 =>
NH2CH2COOHNH3 = NH2CH2COONH2H2
Pb + Fe(NO3)3 = Pb(NO3)4 + Fe =>
3 Pb + 4 Fe(NO3)3 = 3 Pb(NO3)4 + 4 Fe
CH3CH2CHO + [Ag(NH3)2]OH = CH3CH2COONH4 + Ag + NH3 + H2O =>
CH3CH2CHO + 2[Ag(NH3)2]OH = CH3CH2COONH4 + 2 Ag + 3 NH3 + H2O
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
NaOH + Cr(NH4)3 = NaNH4 + Cr(OH)3 =>
3 NaOH + Cr(NH4)3 = 3 NaNH4 + Cr(OH)3
I + NaNO3 + H2O = NO2 + NaIO3 + NaOH =>
I + 5 NaNO3 + 2 H2O = 5 NO2 + NaIO3 + 4 NaOH
BiO + H = Bi + HO =>
BiO + H = Bi + HO
C6H14O2 + NaOH = C6H12O2Na2 + H2O =>
C6H14O2 + 2 NaOH = C6H12O2Na2 + 2 H2O
H{+} + Al = Al2{+} + H2 =>
2 H{+} + 4 Al = 2 Al2{+} + H2
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
SrCO3 + Na2O = SrO + Na2CO3 =>
SrCO3 + Na2O = SrO + Na2CO3
CuFeSO4 + HNO3 = Cu(NO3)2 + Fe(NO3)2 + H2SO4 + NO2 + H2O =>
CuFeSO4 + 6 HNO3 = Cu(NO3)2 + Fe(NO3)2 + H2SO4 + 2 NO2 + 2 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
GdCl2 + Na2EDTA = GdEDTA + NaCl =>
GdCl2 + Na2EDTA = GdEDTA + 2 NaCl
N2O5 + H2O(l) = HNO3 =>
N2O5 + H2O(l) = 2 HNO3
Pb + H3PO4 = Pb(PO4)2 + H =>
Pb + 2 H3PO4 = Pb(PO4)2 + 6 H
CuO + H2CO3 = (CuOH)2CO3 =>
2 CuO + H2CO3 = (CuOH)2CO3
K2Cr2O7 + C2H5OH + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CHO + H2O =>
K2Cr2O7 + 3 C2H5OH + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3CHO + 7 H2O
BaCl2 + MgSO4 = Ba(SO4) + MgCl2 =>
BaCl2 + MgSO4 = Ba(SO4) + MgCl2
Zn + Pb(CH3COO)2 = Pb + (CH3COO)2Zn =>
Zn + Pb(CH3COO)2 = Pb + (CH3COO)2Zn
HIO3 + FeI3 + HCl = ICl + FeCl3 + H2O =>
3 HIO3 + 2 FeI3 + 15 HCl = 9 ICl + 2 FeCl3 + 9 H2O
Na2CO3 + CuSO4 + H2O = CuCO3Cu(OH)2 + CO2 + Na2SO4 =>
2 Na2CO3 + 2 CuSO4 + H2O = CuCO3Cu(OH)2 + CO2 + 2 Na2SO4
C4H10 + Br2 = C4Br2H10 =>
C4H10 + Br2 = C4Br2H10
FeAu + B = FeB + Au =>
FeAu + B = FeB + Au
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
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