| Équations équilibrées la veille |
K2Cr2O7 + 2 Cl{-} = 2 KCl + Cr2O7{2-}
Zr + WO3 = ZrO2 + W3O8 =>
Zr + 6 WO3 = ZrO2 + 2 W3O8
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
Al + Cl2 = Al(Cl)3 =>
2 Al + 3 Cl2 = 2 Al(Cl)3
AI + S = AIS3 =>
AI + 3 S = AIS3
SO3 + Ba(OH)2 = BaSO4 + H2O =>
SO3 + Ba(OH)2 = BaSO4 + H2O
XC2H6O2 + XH2O = XC2H4O2 + XH3O =>
XC2H6O2 + 2 XH2O = XC2H4O2 + 2 XH3O
H3Po4 + Ca(OH)2 = Ca3(Po4)2 + H2O =>
2 H3Po4 + 3 Ca(OH)2 = Ca3(Po4)2 + 6 H2O
Cr + KClO3 = KCl + Cr2O3 =>
2 Cr + KClO3 = KCl + Cr2O3
Me + H2SO4 = MeSO4 + SO2 + H2O =>
Me + 2 H2SO4 = MeSO4 + SO2 + 2 H2O
BiCl3 + NaOH = NaCl3 + BiOH =>
BiCl3 + NaOH = NaCl3 + BiOH
Mg + CuO = MgO + Cu =>
Mg + CuO = MgO + Cu
Ag2Se + O2 = Ag2O + SeO2 =>
2 Ag2Se + 3 O2 = 2 Ag2O + 2 SeO2
Fe + ClO4 = Fe(ClO4)2 =>
Fe + 2 ClO4 = Fe(ClO4)2
Fe3O2 + Al = Al3O3 + Fe =>
3 Fe3O2 + 6 Al = 2 Al3O3 + 9 Fe
KOH + Al2S3 = Al(OH)3 + K2S =>
6 KOH + Al2S3 = 2 Al(OH)3 + 3 K2S
Ce{+4} + Pd{+2} = Pd{+4} + Ce{+3} =>
2 Ce{+4} + Pd{+2} = Pd{+4} + 2 Ce{+3}
Mu + O2 = Mu2O7 =>
4 Mu + 7 O2 = 2 Mu2O7
Bi(NO3)3 + NH4OH = Bi(OH)3 + NH4NO3 =>
Bi(NO3)3 + 3 NH4OH = Bi(OH)3 + 3 NH4NO3
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
CH3COOH + HBr = CH3COBr + H2O =>
CH3COOH + HBr = CH3COBr + H2O
Al2O3 + NaOH + H2O = Na3[Al(OH)6] =>
Al2O3 + 6 NaOH + 3 H2O = 2 Na3[Al(OH)6]
HI + Ba(OH)2 = BaI2 + HOH =>
2 HI + Ba(OH)2 = BaI2 + 2 HOH
C6H6O2 + H2O = CO2 + CH4 =>
4 C6H6O2 + 14 H2O = 11 CO2 + 13 CH4
Na[Al(OH)4] + SO2 = Na2SO3 + H2O + Al(OH)3 =>
2 Na[Al(OH)4] + SO2 = Na2SO3 + H2O + 2 Al(OH)3
Fe + Cu(SO4)2 = FeSO4 + Cu =>
2 Fe + Cu(SO4)2 = 2 FeSO4 + Cu
Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
CuO + H{+} = Cu{2+} + H2O =>
CuO + 2 H{+} = Cu{2+} + H2O
NaH + CO3 = Na2CO3 + H2O + CO2 =>
2 NaH + 2 CO3 = Na2CO3 + H2O + CO2
HNO3 + FeO = Fe(NO3)2 + H2O =>
2 HNO3 + FeO = Fe(NO3)2 + H2O
Fe + S2 = FeS =>
2 Fe + S2 = 2 FeS
Al + (SO4) = Al2(SO4)3 =>
2 Al + 3(SO4) = Al2(SO4)3
CoS + HNO3 = Co(NO3)2 + H2S =>
CoS + 2 HNO3 = Co(NO3)2 + H2S
Cu(OH)2 + C2H4O2 = Cu(C2H3O2)2 + HOH =>
Cu(OH)2 + 2 C2H4O2 = Cu(C2H3O2)2 + 2 HOH
HPO3 + Fe(OH)3 = Fe(OH)(PO3)2 + H2O =>
2 HPO3 + Fe(OH)3 = Fe(OH)(PO3)2 + 2 H2O
Fe2S3 + O2 = SO2 + FeO2 =>
Fe2S3 + 5 O2 = 3 SO2 + 2 FeO2
Al + ZnSO4 = Al(SO4)3 + Zn =>
Al + 3 ZnSO4 = Al(SO4)3 + 3 Zn
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + HOH =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 HOH
SnO2(s) + H2(g) = Sn(s) + H2O(l) =>
SnO2(s) + 2 H2(g) = Sn(s) + 2 H2O(l)
MgCO3 + H4SiO4 = Mg2SiO4 + CO2 + H2O =>
2 MgCO3 + H4SiO4 = Mg2SiO4 + 2 CO2 + 2 H2O
HNO3 + C6H10O5 = CO2 + N2O3 + H2O =>
12 HNO3 + C6H10O5 = 6 CO2 + 6 N2O3 + 11 H2O
Fe(OH)2 + NaNO3 = Fe2O3 + NH3 + H2O + NaOH =>
8 Fe(OH)2 + NaNO3 = 4 Fe2O3 + NH3 + 6 H2O + NaOH
Ca3N2 = Ca + N2 =>
Ca3N2 = 3 Ca + N2
NH3 + C6H8O7 = NH3C6H6O7 + H2 =>
NH3 + C6H8O7 = NH3C6H6O7 + H2
ZnI2 + Cl2 = ZnCl2 + I =>
ZnI2 + Cl2 = ZnCl2 + 2 I
Ca5(PO4)3F + H2SO4 = HF + H3PO4 + CaSO4 =>
Ca5(PO4)3F + 5 H2SO4 = HF + 3 H3PO4 + 5 CaSO4
Cl + NaI(aq) = I2(g) + NaCl =>
2 Cl + 2 NaI(aq) = I2(g) + 2 NaCl
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