| Équations équilibrées la veille |
3 HfCl4 + 2 Al2O3 = 3 HfO2 + 4 AlCl3
CH6N4O + O2 = CO2 + H2O + N2 =>
CH6N4O + 2 O2 = CO2 + 3 H2O + 2 N2
K2Cr2O7 + CaCl2 + H2SO4 = CrCl3 + CaSO4 + K2SO4 + Cl2 + H2O =>
K2Cr2O7 + 6 CaCl2 + 7 H2SO4 = 2 CrCl3 + 6 CaSO4 + K2SO4 + 3 Cl2 + 7 H2O
NH4HSO4 = H2 + (NH4)2S2O8 =>
2 NH4HSO4 = H2 + (NH4)2S2O8
NaC7H5O2 + H2O = C7H6O2 + NaOH =>
NaC7H5O2 + H2O = C7H6O2 + NaOH
CH2O + HNC = CH2OHCN =>
CH2O + HNC = CH2OHCN
KMnO4 + CH3COCH2COCH3 = Mn(acac)3 + CO2 + H2O + KOH =>
24 KMnO4 + 7 CH3COCH2COCH3 = 8 Mn(acac)3 + 35 CO2 + 16 H2O + 24 KOH
H2O + KO2 = KOH + O2 =>
2 H2O + 4 KO2 = 4 KOH + 3 O2
AgF + NaOH = NaF + AgOH =>
AgF + NaOH = NaF + AgOH
[]CH4 + []O2 = []CO2 + []H20 =>
5[]CH4 + 5[]O2 = 5[]CO2 + []H20
FeCl + AgNo3 = FeNo3 + AgCl =>
FeCl + AgNo3 = FeNo3 + AgCl
Al(OH)3 + H2SO4 + H2O = [Al(H2O)6] + SO4 =>
2 Al(OH)3 + 3 H2SO4 + 6 H2O = 2[Al(H2O)6] + 3 SO4
Al(s) + HgCl2(aq) = AlCl3 + Hg =>
2 Al(s) + 3 HgCl2(aq) = 2 AlCl3 + 3 Hg
B2O3 + H2O = B + OH =>
B2O3 + 3 H2O = 2 B + 6 OH
Al4Si3 + HCl = AlCl3 + SiCl4 + H2 =>
Al4Si3 + 24 HCl = 4 AlCl3 + 3 SiCl4 + 12 H2
MnSiO4 + H2O2 + H2SO4 = MnSO42 + SiO2 + H2O =>
MnSiO4 + 37 H2O2 + H2SO4 = MnSO42 + SiO2 + 38 H2O
Ni + CH3COO + HOH = CH3COOH + Ni(OH)2 =>
Ni + 2 CH3COO + 2 HOH = 2 CH3COOH + Ni(OH)2
AlF3 + Br2 = AlBr3 + F2 =>
2 AlF3 + 3 Br2 = 2 AlBr3 + 3 F2
MoS2 + Ni3S2 = MoNi8 + Ni9S8 =>
3 MoS2 + 41 Ni3S2 = 3 MoNi8 + 11 Ni9S8
NaOH + H2C2O4*2H2O + FeCl3*6H2O = Na3[Fe(C2O4)3]*3H2O + NaCl + H2O =>
6 NaOH + 3 H2C2O4*2H2O + FeCl3*6H2O = Na3[Fe(C2O4)3]*3H2O + 3 NaCl + 15 H2O
MnO4{-} + S{2-} + H{+} = MnO2 + S + H2O =>
2 MnO4{-} + 3 S{2-} + 8 H{+} = 2 MnO2 + 3 S + 4 H2O
LiOH(s) + CO2(g) = LiHCO3(s) =>
LiOH(s) + CO2(g) = LiHCO3(s)
SO2CaO = Ca(SO3) =>
SO2CaO = Ca(SO3)
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2 =>
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2
Pt(s) + O2(g) = PtO2(s) =>
Pt(s) + O2(g) = PtO2(s)
K2CO3 + BaCl2 = KCl + BaCO3 =>
K2CO3 + BaCl2 = 2 KCl + BaCO3
K2Cr2O7 + KI + H2O + KCl = CrCl3 + I + KOH =>
K2Cr2O7 + 6 KI + 7 H2O + 6 KCl = 2 CrCl3 + 6 I + 14 KOH
HgSO4 + NaHCO3 = HgCO3 + Na2SO4 + CO2 + H2O =>
HgSO4 + 2 NaHCO3 = HgCO3 + Na2SO4 + CO2 + H2O
Cr + AgClO3 = CrClO3 + Ag =>
Cr + AgClO3 = CrClO3 + Ag
H2O2 + Na2SO3 = Na2SO4 + H2O =>
H2O2 + Na2SO3 = Na2SO4 + H2O
LiH + O2 = Li2O + H2 =>
4 LiH + O2 = 2 Li2O + 2 H2
ZnO + H2 = Zn + H2O =>
ZnO + H2 = Zn + H2O
Na(NH3) + KBr = NaBr + KNH3 =>
Na(NH3) + KBr = NaBr + KNH3
CH2F2 + O2 = CO2 + H2O + F2 =>
2 CH2F2 + 3 O2 = 2 CO2 + 2 H2O + 2 F2
Fe2O3 + CaCl2 = CaO + FeCl3 =>
Fe2O3 + 3 CaCl2 = 3 CaO + 2 FeCl3
Hg2Cl2(s) = Hg(l) + HgCl2(s) =>
Hg2Cl2(s) = Hg(l) + HgCl2(s)
C16H38 + CuO = Cu + H2O + CO2 =>
C16H38 + 51 CuO = 51 Cu + 19 H2O + 16 CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3NH2(g) + O2(g) = CO2(g) + H2O + N2(g) =>
4 CH3NH2(g) + 9 O2(g) = 4 CO2(g) + 10 H2O + 2 N2(g)
MnO4{-} + OH{-} = MnO3{3-} + O2 + H2O =>
MnO4{-} + 2 OH{-} = MnO3{3-} + O2 + H2O
ZnSO4 + SrF2 = SrSO4 + ZnF2 =>
ZnSO4 + SrF2 = SrSO4 + ZnF2
Fe + HCe = FeCe3 + H2 =>
2 Fe + 6 HCe = 2 FeCe3 + 3 H2
CuBr + Na2S = CuNa + Br2S =>
2 CuBr + Na2S = 2 CuNa + Br2S
BaCl2 + NaHSO4 = BaSO4 + NaCl + HCl =>
BaCl2 + NaHSO4 = BaSO4 + NaCl + HCl
Ce(IO3)4 + H2C2O4 = Ce2(H2C4)3 + I2 + CO2 + H2O =>
2 Ce(IO3)4 + 51 H2C2O4 = Ce2(H2C4)3 + 4 I2 + 90 CO2 + 48 H2O
PCl5 = PCl3 + Cl =>
PCl5 = PCl3 + 2 Cl
Cu + FeCl3 = CuCl2 + Fe =>
3 Cu + 2 FeCl3 = 3 CuCl2 + 2 Fe
I2 + Ag(ClO3)2 = Ag(IO3)2 + Cl2 =>
I2 + Ag(ClO3)2 = Ag(IO3)2 + Cl2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
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