| Équations équilibrées la veille |
2 CH3C(OH)CH3 + CuO = 2 CH3COCH3 + Cu + H2O
CrO4{2-} + Cu + H2O = Cr(OH)3 + Cu(OH)2 + H{-} =>
2 CrO4{2-} + 7 Cu + 12 H2O = 2 Cr(OH)3 + 7 Cu(OH)2 + 4 H{-}
Mn + Br2 = MnBr3 =>
2 Mn + 3 Br2 = 2 MnBr3
NaC2O4 + Co3Cl = NaCl + Co3C2O4 =>
NaC2O4 + Co3Cl = NaCl + Co3C2O4
Cr(NO3)3 + NH4OH = Cr(OH)3 + NH4(NO3) =>
Cr(NO3)3 + 3 NH4OH = Cr(OH)3 + 3 NH4(NO3)
Mg + NH4OH = Mg(OH)2 + N2 + H2 =>
Mg + 2 NH4OH = Mg(OH)2 + N2 + 4 H2
C15H31COOC2H5 + O2 = CO2 + H2O =>
C15H31COOC2H5 + 26 O2 = 18 CO2 + 18 H2O
RbNO3(s) = RbNO2(s) + O2(g) =>
2 RbNO3(s) = 2 RbNO2(s) + O2(g)
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
Cr(OH)2 + KF = CrF2 + KOH =>
Cr(OH)2 + 2 KF = CrF2 + 2 KOH
Zi + HCl = ZiCl2 + H =>
Zi + 2 HCl = ZiCl2 + 2 H
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H2O =>
2 NH4NO3 + Ca(OH)2 = Ca(NO3)2 + 2 NH3 + 2 H2O
HgClO4 + Na2SO4 = Hg2SO4 + NaClO4 =>
2 HgClO4 + Na2SO4 = Hg2SO4 + 2 NaClO4
Sm2O3 + Ba = Sm + BaO =>
Sm2O3 + 3 Ba = 2 Sm + 3 BaO
Fe + Ca = FeCa3 =>
Fe + 3 Ca = FeCa3
Li(s) + ZnCl2(aq) = Zn(s) + LiCl(aq) =>
2 Li(s) + ZnCl2(aq) = Zn(s) + 2 LiCl(aq)
AlPO4 + CH3COOH = HPO4 + CH3COOAl =>
AlPO4 + CH3COOH = HPO4 + CH3COOAl
FeNO3 + OH = Fe(OH)3 + NO3 =>
FeNO3 + 3 OH = Fe(OH)3 + NO3
S + HCl = HClS =>
S + HCl = HClS
Pb4S + O2 = Pb4O + SO2 =>
2 Pb4S + 3 O2 = 2 Pb4O + 2 SO2
HCN(aq) + KOH(aq) = H2O(l) + KNC(aq) =>
HCN(aq) + KOH(aq) = H2O(l) + KNC(aq)
[(NH4)2O*Cr2O3*Mo12O36] + NaOH = NH4[Cr(OH)4] + Na2MoO4 + H2O =>
[(NH4)2O*Cr2O3*Mo12O36] + 24 NaOH = 2 NH4[Cr(OH)4] + 12 Na2MoO4 + 8 H2O
HCOH + KMnO4 = H2CO3 + MnO2 + K =>
HCOH + KMnO4 = H2CO3 + MnO2 + K
C + S = CS2 =>
C + 2 S = CS2
Cu(s) + AgNO3(ag) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(ag) = Cu(NO3)2(aq) + 2 Ag(s)
Fe2(CO3)3 + HCl = FeCl3 + H2CO3 =>
Fe2(CO3)3 + 6 HCl = 2 FeCl3 + 3 H2CO3
Cu2O + HPF6 + CH3CN = [Cu(CH3CN)4]PF6 + H2O =>
Cu2O + 2 HPF6 + 8 CH3CN = 2[Cu(CH3CN)4]PF6 + H2O
Co(NO3)2(H2O)6 + NaBH4 + P = HCoP4 + (NO2) + BH3 + NaOH + H2O =>
2 Co(NO3)2(H2O)6 + 5 NaBH4 + 8 P = 2 HCoP4 + 4(NO2) + 5 BH3 + 5 NaOH + 11 H2O
Cu2SO4 + NaClO3 = CuClO3 + Na2SO4 =>
Cu2SO4 + 2 NaClO3 = 2 CuClO3 + Na2SO4
AgNo3 + CaCl2 = Ca(No3)2 + AgCl =>
2 AgNo3 + CaCl2 = Ca(No3)2 + 2 AgCl
SiH4 + KOH + O2 = K2SiO3 + H2O =>
SiH4 + 2 KOH + 2 O2 = K2SiO3 + 3 H2O
Na3N + O2 = Na2O + N2 =>
4 Na3N + 3 O2 = 6 Na2O + 2 N2
LiSO4 + Cu = CuSO4 + Li =>
LiSO4 + Cu = CuSO4 + Li
KAl(SO4)2 + NaOH = Al(OH)3 + K2SO4 + Na2SO4 =>
2 KAl(SO4)2 + 6 NaOH = 2 Al(OH)3 + K2SO4 + 3 Na2SO4
C6H5NO2 + Fe + HCl = C6H5NH2 + FeCl3 + H2O =>
C6H5NO2 + 2 Fe + 6 HCl = C6H5NH2 + 2 FeCl3 + 2 H2O
AgOH + Na2S = Ag2S + NaOH =>
2 AgOH + Na2S = Ag2S + 2 NaOH
HNO3 + Ba(OH)2 = H2O + Ba(NO3)2 =>
2 HNO3 + Ba(OH)2 = 2 H2O + Ba(NO3)2
Se + NaOH = Na2Se + Na2SeO3 + H2O =>
3 Se + 6 NaOH = 2 Na2Se + Na2SeO3 + 3 H2O
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
Ba + Fl = BaFl2 =>
Ba + 2 Fl = BaFl2
Zn + Hg2SO4 = ZnSO4 + Hg =>
Zn + Hg2SO4 = ZnSO4 + 2 Hg
Ag + HClO = AgCl + AgClO3 + H2O =>
6 Ag + 6 HClO = 5 AgCl + AgClO3 + 3 H2O
C2H4O2(l) + O2(g) = CO2(g) + H2O =>
C2H4O2(l) + 2 O2(g) = 2 CO2(g) + 2 H2O
Zn(OH)2 + OH = ZnO2 + H2O =>
Zn(OH)2 + 2 OH = ZnO2 + 2 H2O
Li + H2SO4 = Li2SO4 + H2S + H2O =>
8 Li + 5 H2SO4 = 4 Li2SO4 + H2S + 4 H2O
CH2CH3COOH + CH3CH(OH)CH2CH3 = CH3COOCH3CH2CH3 + H2O =>
12 CH2CH3COOH + 11 CH3CH(OH)CH2CH3 = 16 CH3COOCH3CH2CH3 + 3 H2O
Ag + Po = Ag3Po3 =>
3 Ag + 3 Po = Ag3Po3
K2CO3 + CuSO4 = K2SO4 + CuCO3 =>
K2CO3 + CuSO4 = K2SO4 + CuCO3
Zn + SnSO4 = ZnSO4 + Sn2 =>
2 Zn + 2 SnSO4 = 2 ZnSO4 + Sn2
SnO + HNO3 = SnO2 + NO + H2O =>
3 SnO + 2 HNO3 = 3 SnO2 + 2 NO + H2O
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