| Équations équilibrées la veille |
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
KI(s) + Cl2(g) = KCl + I2 =>
2 KI(s) + Cl2(g) = 2 KCl + I2
W + Cl = WCl6 =>
W + 6 Cl = WCl6
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Zn + CUSO4 = ZnSO4 + CU =>
Zn + CUSO4 = ZnSO4 + CU
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCl + CaCO3 = CaCl2 + H2CO3 = CO2 =>
2 HCl + CaCO3 = CaCl2 + H2CO3
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
CO2 + H2SO4 = H2CO3 + SO3 =>
CO2 + H2SO4 = H2CO3 + SO3
NaHSO4 + Na2S = H2S + Na2SO4 =>
2 NaHSO4 + Na2S = H2S + 2 Na2SO4
NH4(OH) + H2S = (NH4)2S + H2O =>
2 NH4(OH) + H2S = (NH4)2S + 2 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ca{+2} + HCO3{-} = CaCO3 + H2O + CO2 =>
Ca{+2} + 2 HCO3{-} = CaCO3 + H2O + CO2
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
C2H6 + Cl2 = C2HCl5 + HCl =>
C2H6 + 5 Cl2 = C2HCl5 + 5 HCl
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
BeCl2 + Na2CO3 + H2O = Be(OH)2 + CO2 + NaCl =>
BeCl2 + Na2CO3 + H2O = Be(OH)2 + CO2 + 2 NaCl
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CrO3 + KOH = Cr(OH)6 + K2O =>
CrO3 + 6 KOH = Cr(OH)6 + 3 K2O
Fe + O2 = FeO2 =>
Fe + O2 = FeO2
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
Br2 + CaI2 = CaBr2 + I2 =>
Br2 + CaI2 = CaBr2 + I2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu + O = Cu2O =>
2 Cu + O = Cu2O
Se + OH{-} = Se{-2} + SeO3{-2} + H2O =>
3 Se + 6 OH{-} = 2 Se{-2} + SeO3{-2} + 3 H2O
[Zn(OH)4]{2-} + K4[Fe(CN)6] + H{+} = K2Zn[Fe(CN)6] + K{+} + H2O =>
[Zn(OH)4]{2-} + K4[Fe(CN)6] + 4 H{+} = K2Zn[Fe(CN)6] + 2 K{+} + 4 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
MnO2 + H3PO4 + H2O = PH3 + HMnO4 =>
8 MnO2 + 3 H3PO4 + 4 H2O = 3 PH3 + 8 HMnO4
KNO3 + (NH4)2CO3 = K2CO3 + NH4NO3 =>
2 KNO3 + (NH4)2CO3 = K2CO3 + 2 NH4NO3
H202 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 =>
5 H202 + 202 KMnO4 + 303 H2SO4 = 808 H2O + 101 K2SO4 + 202 MnSO4
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
C6H5C2H5 + KMnO4 = C6H5COOH + KOH + MnO2 + H2O =>
7 C6H5C2H5 + 18 KMnO4 = 8 C6H5COOH + 18 KOH + 18 MnO2 + 2 H2O
Ni + HNO3 = Ni(NO3)2 + H2O + N2O =>
4 Ni + 10 HNO3 = 4 Ni(NO3)2 + 5 H2O + N2O
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
C18H32O2 + CH3OH = C19H34O2 + H2O =>
C18H32O2 + CH3OH = C19H34O2 + H2O
C2H4 + O2 = CO + H2O =>
C2H4 + 2 O2 = 2 CO + 2 H2O
Li + ZnCl2 = Zn + LiCl =>
2 Li + ZnCl2 = Zn + 2 LiCl
C7H5ClO + CH3CH2OH = C9H10O2 + HCl =>
C7H5ClO + CH3CH2OH = C9H10O2 + HCl
V + O = VO =>
V + O = VO
K2[Sn(OH)4] + Br + KOH = K2[Sn(OH)6] + KBr =>
K2[Sn(OH)4] + 2 Br + 2 KOH = K2[Sn(OH)6] + 2 KBr
K2Cr2O7(ac) + H2O(l) + S(s) = SO2(g) + KOH(ac) + Cr2O3(ac) =>
2 K2Cr2O7(ac) + 2 H2O(l) + 3 S(s) = 3 SO2(g) + 4 KOH(ac) + 2 Cr2O3(ac)
Dy + Sb + Sn = DySbSn20 =>
Dy + Sb + 20 Sn = DySbSn20
[Ag(NH3)2]NO3 + KCN = [Ag(NH3)2]CN + KNO3 =>
[Ag(NH3)2]NO3 + KCN = [Ag(NH3)2]CN + KNO3
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + C6H8O7 = 3 CO2 + 3 H2O + Na3C6H5O7
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