| Équations équilibrées la veille |
(NH4)2SO4 + Ba(OH)2 = BaSO4 + 2 NH3 + 2 H2O
K2SO4 + NaH2PO4 = KH2PO4 + Na2SO4 =>
K2SO4 + 2 NaH2PO4 = 2 KH2PO4 + Na2SO4
Zn(NO3)2 + NH3 + H2O = Zn(OH)2 + NH4(NO3) =>
Zn(NO3)2 + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4(NO3)
K2ZnO2 + HNO3 = KNO3 + Zn(NO3)2 + H2O =>
K2ZnO2 + 4 HNO3 = 2 KNO3 + Zn(NO3)2 + 2 H2O
Ca(HCO3)2 + HCl = Ca + H2O + Cl + CO =>
Ca(HCO3)2 + 6 HCl = Ca + 4 H2O + 6 Cl + 2 CO
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
Pb(NO3)2 + Ag2SO4 = PbSO4 + Ag(NO3) =>
Pb(NO3)2 + Ag2SO4 = PbSO4 + 2 Ag(NO3)
XZnO + C = XZn + CO =>
XZnO + C = XZn + CO
MgH2SO4 = H2MgSO4 =>
MgH2SO4 = H2MgSO4
C2H5COOH + O2 = C + H2O =>
2 C2H5COOH + O2 = 6 C + 6 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
KOH(aq) + CuSO4(aq) = CuOH + KSO4 =>
KOH(aq) + CuSO4(aq) = CuOH + KSO4
SO3O = SO2O2 =>
SO3O = SO2O2
Al(s) + Hg(CH3)2(l) = Al(CH3)3(l) + Hg(l) =>
2 Al(s) + 3 Hg(CH3)2(l) = 2 Al(CH3)3(l) + 3 Hg(l)
Ni(NO3)2 + Na2OH = NiOH + NaNO3 =>
Ni(NO3)2 + Na2OH = NiOH + 2 NaNO3
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Na3[Al(OH)6] = NaAlO2 + H2O + NaOH =>
Na3[Al(OH)6] = NaAlO2 + 2 H2O + 2 NaOH
CrO + H = Cr + HO =>
CrO + H = Cr + HO
K3[Cr(OH)6] + Br2 + KOH = K2CrO4 + H2O + KBr =>
2 K3[Cr(OH)6] + 3 Br2 + 4 KOH = 2 K2CrO4 + 8 H2O + 6 KBr
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Na2S + K2SiO3 = Na2SiO3 + K2S =>
Na2S + K2SiO3 = Na2SiO3 + K2S
Zn + CH3COOH = H2 + Zn(CH3COO)2 =>
Zn + 2 CH3COOH = H2 + Zn(CH3COO)2
CaO2 + H2O = CaO + H2O2 =>
CaO2 + H2O = CaO + H2O2
CH3CH2CHO + Cr2O7{2-} + H{+} = CH3CH2COOH + Cr{3+} + H2O =>
3 CH3CH2CHO + Cr2O7{2-} + 8 H{+} = 3 CH3CH2COOH + 2 Cr{3+} + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CO(r) + H2O(r) = CO2(r) + H2(r) =>
CO(r) + H2O(r) = CO2(r) + H2(r)
NaNO2 + HBr = NO + NaBr + H2O + Br2 =>
2 NaNO2 + 4 HBr = 2 NO + 2 NaBr + 2 H2O + Br2
CO2 + H2O = C6H12O6 + O2(l) =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2(l)
KS + CaI = KI + CaS =>
KS + CaI = KI + CaS
Al2S + KOH = Al(OH)3 + K6S =>
Al2S + 6 KOH = 2 Al(OH)3 + K6S
Na3[Al(OH)6] = Al2O3 + NaOH + H2O =>
2 Na3[Al(OH)6] = Al2O3 + 6 NaOH + 3 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Na3[Al(OH)6] = Al2O3 + NaOH + H2O =>
2 Na3[Al(OH)6] = Al2O3 + 6 NaOH + 3 H2O
KS + CaI = KI + CaS =>
KS + CaI = KI + CaS
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
C23H48 + O2 = CO2 + H2O =>
C23H48 + 35 O2 = 23 CO2 + 24 H2O
Al2S + KOH = Al(OH)3 + K6S =>
Al2S + 6 KOH = 2 Al(OH)3 + K6S
CrPO4 + Na2SO4 = Cr2(SO4)3 + Na3PO4 =>
2 CrPO4 + 3 Na2SO4 = Cr2(SO4)3 + 2 Na3PO4
FeCl3 + HgO = HgCl2 + Fe2O3 =>
2 FeCl3 + 3 HgO = 3 HgCl2 + Fe2O3
Pb(NO3)2(aq) + NACl(aq) = PbCl2(s) + NANO3(aq) =>
Pb(NO3)2(aq) + 2 NACl(aq) = PbCl2(s) + 2 NANO3(aq)
Ca(OH)2 = Ca2 + OH =>
2 Ca(OH)2 = Ca2 + 4 OH
H2SO3CaCO3 = CaSO3H2CO3 =>
H2SO3CaCO3 = CaSO3H2CO3
KOH + MgCI2 = Mg(OH) + KCI2 =>
KOH + MgCI2 = Mg(OH) + KCI2
SiO + Mg = Si + MgO =>
SiO + Mg = Si + MgO
CaSO4*2H2O + H2 = H2S + Ca(OH)2 + H2O =>
CaSO4*2H2O + 4 H2 = H2S + Ca(OH)2 + 4 H2O
Ni(OH)3 + HNO3 = H2O + Ni(NO3)3 =>
Ni(OH)3 + 3 HNO3 = 3 H2O + Ni(NO3)3
NaOH + NaBr = Na2O + HBr =>
NaOH + NaBr = Na2O + HBr
CH4 + H2O = H2 + CO =>
CH4 + H2O = 3 H2 + CO
SiO + Mg = Si + MgO =>
SiO + Mg = Si + MgO
HClO2 = ClO2 + HCl + H2O =>
5 HClO2 = 4 ClO2 + HCl + 2 H2O
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