| Équations équilibrées la veille |
CuSO4(aq) + 2 KCl(aq) = CuCl2(aq) + K2SO4(aq)
BaSO3 + H2O = SO2 + Ba(OH)2 =>
BaSO3 + H2O = SO2 + Ba(OH)2
Ca(OH)2 + Mg2 = Mg(OH)2 + Ca =>
2 Ca(OH)2 + Mg2 = 2 Mg(OH)2 + 2 Ca
HCe2 + MnO2 = Ce2 + MnCe2 + H2O =>
4 HCe2 + MnO2 = 3 Ce2 + MnCe2 + 2 H2O
Zn + NH3 + H2O = Zn(NH3)4{2+} + OH{-} + H2 =>
Zn + 4 NH3 + 2 H2O = Zn(NH3)4{2+} + 2 OH{-} + H2
Br2 + SnSO4 + KOH = K2SnO4 + KBr + H2O + K2SO4 =>
2 Br2 + SnSO4 + 8 KOH = K2SnO4 + 4 KBr + 4 H2O + K2SO4
CaO + SeO3 = CaSeO3 + O2 =>
2 CaO + 2 SeO3 = 2 CaSeO3 + O2
NaCl + LiBr = NaBr + LiCl =>
NaCl + LiBr = NaBr + LiCl
Cl + MnO4 = Mn + ClO =>
4 Cl + MnO4 = Mn + 4 ClO
NiCl2 + H3PO4 = HCl + Ni3(PO4)2 =>
3 NiCl2 + 2 H3PO4 = 6 HCl + Ni3(PO4)2
CH3CH2OH + Cr2O7{-2)+H{+} = CH3COOH+Cr{3+}+H2O =>
3 CH3CH2OH + 2 Cr2O7{-2)+16H{+} = 3 CH3COOH+4Cr{3+}+11H2O
Li + O2 = LiO2 =>
Li + O2 = LiO2
NaVO3 + H2S + HCl = S + VOCl2 + H2O + NaCl =>
2 NaVO3 + H2S + 6 HCl = S + 2 VOCl2 + 4 H2O + 2 NaCl
Si3N4 + O2 = SiO2 + NO2 =>
Si3N4 + 7 O2 = 3 SiO2 + 4 NO2
Ru + O2 = RuO7 =>
2 Ru + 7 O2 = 2 RuO7
Ni + Fe2(SO4)3 = Fe + NiSO4 =>
3 Ni + Fe2(SO4)3 = 2 Fe + 3 NiSO4
Fe2O3 + CH3COOH = Fe(COOH)3 + (CH3)2O =>
Fe2O3 + 6 CH3COOH = 2 Fe(COOH)3 + 3(CH3)2O
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
H2MoO4 + NaOH = H3O + NaMoO4 =>
H2MoO4 + NaOH = H3O + NaMoO4
C3H5Cl3 + O2 = CO2 + H2O + HCl =>
2 C3H5Cl3 + 7 O2 = 6 CO2 + 2 H2O + 6 HCl
BaCl2 + CuSO4 = BaCl2CuSO4 =>
BaCl2 + CuSO4 = BaCl2CuSO4
S + Li2S = Li2S8 =>
7 S + Li2S = Li2S8
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaHCO3 + CH3 = CH3ONa + H2O + CO2 =>
7 NaHCO3 + 6 CH3 = 7 CH3ONa + 2 H2O + 6 CO2
H2SO4 + NaBr + Na2BrO3 = Na2SO4 + H2O + Br2 =>
6 H2SO4 + 8 NaBr + 2 Na2BrO3 = 6 Na2SO4 + 6 H2O + 5 Br2
O = O3 =>
3 O = O3
H2CO3 + K2 = KHCO3 + H2 =>
2 H2CO3 + K2 = 2 KHCO3 + H2
PbO = Pb + O =>
PbO = Pb + O
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
SbCl3 + Na2CO3 + H2O = CO2 + HCl + Na3SbO3 =>
2 SbCl3 + 3 Na2CO3 + 3 H2O = 3 CO2 + 6 HCl + 2 Na3SbO3
Cr(CH3COO)2 + O2 + H2O = Cr(OH)3 + CH3COOH =>
4 Cr(CH3COO)2 + O2 + 10 H2O = 4 Cr(OH)3 + 8 CH3COOH
Hg + I2 = Hg2I =>
4 Hg + I2 = 2 Hg2I
CaOH2 + Si + H2O = CaSiO3 + H2 =>
CaOH2 + Si + 2 H2O = CaSiO3 + 3 H2
KClO3 + KCl + H2O = Cl2 + KOH =>
KClO3 + 5 KCl + 3 H2O = 3 Cl2 + 6 KOH
C2H4O2 + PCl5 = C2H3OCl2 + PCl3OH =>
C2H4O2 + PCl5 = C2H3OCl2 + PCl3OH
CH3CH2CH(OH)CH2CH3 + CuO = CH3COCH3 + Cu + H2O =>
3 CH3CH2CH(OH)CH2CH3 + 5 CuO = 5 CH3COCH3 + 5 Cu + 3 H2O
Ba3(PO4)2 + AgNO3 = Ag3PO4 + Ba(NO3)2 =>
Ba3(PO4)2 + 6 AgNO3 = 2 Ag3PO4 + 3 Ba(NO3)2
NaClO + HNO3 = NaNO3HClO =>
NaClO + HNO3 = NaNO3HClO
KOH + Cl2 = KCl + HClO =>
KOH + Cl2 = KCl + HClO
SiO2 + CaC2 = Si + CaO + CO2 =>
5 SiO2 + 2 CaC2 = 5 Si + 2 CaO + 4 CO2
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
MnO2 + HCl + H2SO4 = Cl2 + MnSO4 + H2O =>
MnO2 + 2 HCl + H2SO4 = Cl2 + MnSO4 + 2 H2O
(NH4)2S2O8 + H2O = (NH4)2SO4 + H2SO4 + HNO3 =>
8(NH4)2S2O8 + 6 H2O = 7(NH4)2SO4 + 9 H2SO4 + 2 HNO3
NaI + H = Na + IH =>
NaI + H = Na + IH
(NH4)2SO4 + CO2(Cr2O7)3 = (NH4)2Cr2O7 + (SO4)3 + CO2 =>
3(NH4)2SO4 + CO2(Cr2O7)3 = 3(NH4)2Cr2O7 + (SO4)3 + CO2
Fe(NO3)3 + Ni(C2H3O2)2 = Ni(NO3)2 + Fe(C2H3O2)3 =>
2 Fe(NO3)3 + 3 Ni(C2H3O2)2 = 3 Ni(NO3)2 + 2 Fe(C2H3O2)3
C3H6O3 + NaOH = H2O + CNaOH =>
C3H6O3 + 3 NaOH = 3 H2O + 3 CNaOH
(CH3)2C6H3CHO + KMnO4 + H2SO4 = (HCOO)2C6H3COOH + K2SO4 + MnSO4 + H2O =>
5(CH3)2C6H3CHO + 14 KMnO4 + 21 H2SO4 = 5(HCOO)2C6H3COOH + 7 K2SO4 + 14 MnSO4 + 31 H2O
Li + O2 = LiO2 =>
Li + O2 = LiO2
CH3CHCH3OH + O2 = CO2 + H2O =>
2 CH3CHCH3OH + 9 O2 = 6 CO2 + 8 H2O
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