| Équations équilibrées la veille |
Al + NaOH = (t)AlOH + Na
Na2[Zn(OH)4] + NH4Cl = Zn(OH)2 + NaCl + NH3 + H2O =>
Na2[Zn(OH)4] + 2 NH4Cl = Zn(OH)2 + 2 NaCl + 2 NH3 + 2 H2O
C8H8O3 + NaOH = C7H5Na2O3 + CH3OH + H2O =>
13 C8H8O3 + 28 NaOH = 14 C7H5Na2O3 + 6 CH3OH + 19 H2O
Ag(No3) + Na2S = Na(No3) + Ag2S =>
2 Ag(No3) + Na2S = 2 Na(No3) + Ag2S
Pb(NO3)4 + K2(Cr2O7) = Pb(Cr2O7)2 + K(NO3) =>
Pb(NO3)4 + 2 K2(Cr2O7) = Pb(Cr2O7)2 + 4 K(NO3)
FeS2 + Na2CO3 + K2Cr2O7 = NaFeO2 + KCrO2 + Na2SO4 + CO2 =>
2 FeS2 + 5 Na2CO3 + 5 K2Cr2O7 = 2 NaFeO2 + 10 KCrO2 + 4 Na2SO4 + 5 CO2
H2O + NaSiO = HSiO + NaOH =>
H2O + NaSiO = HSiO + NaOH
SiO2 + NaOH = NaO + Si + H2O =>
SiO2 + 4 NaOH = 4 NaO + Si + 2 H2O
H2SO4 + MgO2 = O2 + Mg(OH)2 + SO2 =>
H2SO4 + MgO2 = O2 + Mg(OH)2 + SO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
AlH3 + HF = AlF + H =>
AlH3 + HF = AlF + 4 H
NaHSO4 + NH4OH = NH4HSO4 + NaOH =>
NaHSO4 + NH4OH = NH4HSO4 + NaOH
K2MnO4 + H2C2O4 = K2[Mn(C2O4)3] + CO2 + H2O =>
K2MnO4 + 4 H2C2O4 = K2[Mn(C2O4)3] + 2 CO2 + 4 H2O
Al(OH)3(k) + HCl(aq) = AlCl3(aq) + H2O(s) =>
Al(OH)3(k) + 3 HCl(aq) = AlCl3(aq) + 3 H2O(s)
Cu(NO3)2(t) = CuO + NO2 + O2 =>
2 Cu(NO3)2(t) = 2 CuO + 4 NO2 + O2
KMnO4 + K2C2O4 = K2O + MnO2 + CO2 =>
2 KMnO4 + 3 K2C2O4 = 4 K2O + 2 MnO2 + 6 CO2
Cu2(NO3)2 + CH3CSNH2 = Cu2S2 + C2H5N(NO3) =>
Cu2(NO3)2 + 2 CH3CSNH2 = Cu2S2 + 2 C2H5N(NO3)
RCHO + KMnO4 + H2SO4 = RCOOH + K2SO4 + MnO2 + H2O =>
3 RCHO + 2 KMnO4 + H2SO4 = 3 RCOOH + K2SO4 + 2 MnO2 + H2O
Fe(No3) + Ag = Ag(No3) + Fe =>
Fe(No3) + Ag = Ag(No3) + Fe
KI + KBrO3 + HCl = I2 + KBr + KCl + H2O =>
6 KI + KBrO3 + 6 HCl = 3 I2 + KBr + 6 KCl + 3 H2O
Cr(OH) + K(OH) + KClO3 = K2CrO4 + H2O + KCl =>
6 Cr(OH) + 12 K(OH) + 5 KClO3 = 6 K2CrO4 + 9 H2O + 5 KCl
Fe + H2Cl3 = FeCl3 + H2 =>
Fe + H2Cl3 = FeCl3 + H2
C7H6O2 + C7H12O4 = C14H10O4 + CH2CH3OH =>
43 C7H6O2 + 3 C7H12O4 = 21 C14H10O4 + 14 CH2CH3OH
S2O3 + HCl = H2S2O3 + Cl =>
S2O3 + 2 HCl = H2S2O3 + 2 Cl
HC2H3O2(aq) + Ca(OH2)(aq) = CaC2 + H2O =>
HC2H3O2(aq) + Ca(OH2)(aq) = CaC2 + 3 H2O
OH + Co = Co(OH)2 =>
2 OH + Co = Co(OH)2
Fe2O4 + KClO3 + KOH = KCl + K2FeO4 + H2O =>
3 Fe2O4 + 2 KClO3 + 12 KOH = 2 KCl + 6 K2FeO4 + 6 H2O
H2SO4 + Sc(OH)3 = Sc2(SO4)3 + HOH =>
3 H2SO4 + 2 Sc(OH)3 = Sc2(SO4)3 + 6 HOH
AgI + K = KI + Ag =>
AgI + K = KI + Ag
V2O5 + H2SO4 + Zn = VO(SO4) + Zn(SO4) + H2O =>
V2O5 + 3 H2SO4 + Zn = 2 VO(SO4) + Zn(SO4) + 3 H2O
SO2 + I2 + H2O = H2SO4 + HI =>
SO2 + I2 + 2 H2O = H2SO4 + 2 HI
NaOH + Fe(Cl3)2 = NaCl3 + Fe(OH)2 =>
2 NaOH + Fe(Cl3)2 = 2 NaCl3 + Fe(OH)2
Sr(OH)2 + (NH4)2S = H2O + NH3 + SrS =>
Sr(OH)2 + (NH4)2S = 2 H2O + 2 NH3 + SrS
Au(s) + CuCl(aq) = AuCl + Cu =>
Au(s) + CuCl(aq) = AuCl + Cu
Fe + Fe(SO4)2 = FeSO4 =>
Fe + Fe(SO4)2 = 2 FeSO4
Ho(cr) + H2O(l) = Ho(OH)3(ag) + H2(g) =>
2 Ho(cr) + 6 H2O(l) = 2 Ho(OH)3(ag) + 3 H2(g)
Zn + HCl = ZnCl2 + H6 =>
3 Zn + 6 HCl = 3 ZnCl2 + H6
CH3CH2CH2CHOH + Cr2O7{2-} + H{+} = CH3CH2CH2COOH + Cr{3+} + H2O =>
2 CH3CH2CH2CHOH + Cr2O7{2-} + 8 H{+} = 2 CH3CH2CH2COOH + 2 Cr{3+} + 5 H2O
Pt(NO3)2(aq) + Pb(s) = Pt(s) + Pb(NO3)2(aq) =>
Pt(NO3)2(aq) + Pb(s) = Pt(s) + Pb(NO3)2(aq)
K2CO3 + Cd = K + Cd(CO3)2 =>
2 K2CO3 + Cd = 4 K + Cd(CO3)2
ZrSiO4 + Al2O3 = Al6Si2O13 + ZrO2 =>
2 ZrSiO4 + 3 Al2O3 = Al6Si2O13 + 2 ZrO2
SrCrO4 + (NH4)2SO4 = SrSO4 + (NH4)2CrO4 =>
SrCrO4 + (NH4)2SO4 = SrSO4 + (NH4)2CrO4
C6H12 + Cl2 = HCl + C6H5Cl =>
C6H12 + 4 Cl2 = 7 HCl + C6H5Cl
C6H5COOH + O3 = H2O + CO2 =>
C6H5COOH + 5 O3 = 3 H2O + 7 CO2
Al + Pb(NO3)2 = Al2NO3 + Pb =>
4 Al + Pb(NO3)2 = 2 Al2NO3 + Pb
NaAlO2 = Na2O + Al2O3 =>
2 NaAlO2 = Na2O + Al2O3
Sg + H2 = SgH4 =>
Sg + 2 H2 = SgH4
K2SO3(aq) = K(aq) + SO3(aq) =>
K2SO3(aq) = 2 K(aq) + SO3(aq)
Ca + H3PO4 = Ca(PO4)2 + H2 =>
Ca + 2 H3PO4 = Ca(PO4)2 + 3 H2
HCHO + NaOH + I2 = HCOONa + NaI + H2O =>
HCHO + 3 NaOH + I2 = HCOONa + 2 NaI + 2 H2O
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