| Équations équilibrées la veille |
CoCl2 + Na2SiO3 + 2 H2O = Co(OH)2 + H2SiO3 + 2 NaCl
AlCl{3+} + Na(OH) = Al(OH){3+} + NaCl =>
AlCl{3+} + Na(OH) = Al(OH){3+} + NaCl
K2SnO2 + BeCl3 + KOH = Be + K2SnO3 + KCl + H2O =>
3 K2SnO2 + 2 BeCl3 + 6 KOH = 2 Be + 3 K2SnO3 + 6 KCl + 3 H2O
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
CH3CH2NH + HCl = CH3CH2NH2Cl =>
CH3CH2NH + HCl = CH3CH2NH2Cl
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
OH{-} + CrO4{-2} + C2O4{-2} = CO3{2-} + CrO2{-} + H2O =>
4 OH{-} + 2 CrO4{-2} + 3 C2O4{-2} = 6 CO3{2-} + 2 CrO2{-} + 2 H2O
*CaCO3 = CaO + CO2 =>
*CaCO3 = CaO + CO2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CuSO4 + NaOH + NaCl = Cu2(OH)3Cl + Na2SO4 =>
2 CuSO4 + 3 NaOH + NaCl = Cu2(OH)3Cl + 2 Na2SO4
AgOH + H2SO3 = AgH2 + SO3OH =>
AgOH + H2SO3 = AgH2 + SO3OH
H2(g) + PbO(s) = Pb(s) + H2O(l) =>
H2(g) + PbO(s) = Pb(s) + H2O(l)
KCl + AgO = KO + AgCl =>
KCl + AgO = KO + AgCl
Cr(OH)3 + ClO{-} = CrO4{2-} + Cl2 + H2O + OH{-} =>
2 Cr(OH)3 + 6 ClO{-} = 2 CrO4{2-} + 3 Cl2 + 2 H2O + 2 OH{-}
Fe(OH)SO4 + H2O = Fe(OH)3 + H{+} + HSO4{-} =>
Fe(OH)SO4 + 2 H2O = Fe(OH)3 + H{+} + HSO4{-}
K + Fe(ClO4)3 = Fe + K(ClO4)2 =>
3 K + 2 Fe(ClO4)3 = 2 Fe + 3 K(ClO4)2
Al + HCl = AlCl3 + H2 = =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
H2O + CuSO4 + Na2CO3 + C6H12O6 = Na2SO4 + C6H12O7 + Cu2O =>
6 H2O + 6 CuSO4 + 6 Na2CO3 + 14 C6H12O6 = 6 Na2SO4 + 15 C6H12O7 + 3 Cu2O
HCl(aq) + Ca(OH)2(s) = CaCl2 + H2O =>
2 HCl(aq) + Ca(OH)2(s) = CaCl2 + 2 H2O
CaAl2Si2O8 + Mg2SiO4 = MgCaSi2O6 + MgAl2O4 + MgSiO3 =>
CaAl2Si2O8 + 2 Mg2SiO4 = MgCaSi2O6 + MgAl2O4 + 2 MgSiO3
Ag(NO3) + Cu = Ag + Cu(NO3)2 =>
2 Ag(NO3) + Cu = 2 Ag + Cu(NO3)2
Al{+3} + Cr = Cr{+3} + Al =>
Al{+3} + Cr = Cr{+3} + Al
HCl + Fe + SCN = FeCl4 + HSCN =>
4 HCl + Fe + 4 SCN = FeCl4 + 4 HSCN
CH3CH2OH + O2(exceso) = CH3CHO + H2O =>
2 CH3CH2OH + O2(exceso) = 2 CH3CHO + 2 H2O
HNO3 + NH4I = NO + I + H2O =>
2 HNO3 + NH4I = 3 NO + I + 3 H2O
Fe + NaCO3 = Fe(CO3)3 + Na =>
Fe + 3 NaCO3 = Fe(CO3)3 + 3 Na
AgCl + NH3 = Ag(NH3)2Cl =>
AgCl + 2 NH3 = Ag(NH3)2Cl
Sc + H{+} = Sc{3+} + H2 =>
2 Sc + 6 H{+} = 2 Sc{3+} + 3 H2
CuCl2 + SO2 + H2O = CuCl + HCl + H2SO4 =>
2 CuCl2 + SO2 + 2 H2O = 2 CuCl + 2 HCl + H2SO4
Na2SO4 + KIO3 + H2SO4 = I2 + NaSO4 + K2SO4 + H2O =>
5 Na2SO4 + 2 KIO3 + 6 H2SO4 = I2 + 10 NaSO4 + K2SO4 + 6 H2O
KMnO4 + C2O4H2 + H2SO4 = K4SO4 + MnSO4 + CO2 + H2O =>
4 KMnO4 + 11 C2O4H2 + 5 H2SO4 = K4SO4 + 4 MnSO4 + 22 CO2 + 16 H2O
Ca + H2SO4 = CaSO4H2 =>
Ca + H2SO4 = CaSO4H2
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
CrO3 + HCl + C3H7OH = Cr(OH)Cl2 + CO2 + H2O =>
6 CrO3 + 12 HCl + C3H7OH = 6 Cr(OH)Cl2 + 3 CO2 + 7 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
PO3 + O2 = PO5 =>
PO3 + O2 = PO5
NaCrO2 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 NaCrO2 + 2 NaOH + 3 H2O2 = 2 Na2CrO4 + 4 H2O
KMnO4 + KI + H2O = MnO2 + KOH + I2 =>
2 KMnO4 + 6 KI + 4 H2O = 2 MnO2 + 8 KOH + 3 I2
Pb(NO3)2 + Na2S = PbS + NaNO3 =>
Pb(NO3)2 + Na2S = PbS + 2 NaNO3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
(C3H6N6O6) + O2 = CO2 + H2O + N2 =>
2(C3H6N6O6) + 3 O2 = 6 CO2 + 6 H2O + 6 N2
aluminum + OH = aluminumhydroxide =>
Al + 3 OH = Al(OH)3
PH3 + HNO3 = H3PO4 + NH =>
3 PH3 + 4 HNO3 = 3 H3PO4 + 4 NH
Cr(OH)3 + H2O2 = H2CrO4 + H2O =>
2 Cr(OH)3 + 3 H2O2 = 2 H2CrO4 + 4 H2O
Pb(NO3)2 + Al(ClO)3 = Pb(ClO)2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 Al(ClO)3 = 3 Pb(ClO)2 + 2 Al(NO3)3
H2(g) + Cl(g) = HCl =>
H2(g) + 2 Cl(g) = 2 HCl
C6H12O6 + CH3I = C7H14O6 + HI =>
C6H12O6 + CH3I = C7H14O6 + HI
Nb + SeO2 = Nb2O5 + Se =>
4 Nb + 5 SeO2 = 2 Nb2O5 + 5 Se
Cr2O7{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 6 Fe{2+} + 14 H{+} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
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