| Équations équilibrées la veille |
MgO + 2 HCl = MgCl2 + H2O
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + K2SO4 + Na2SO4 + Cr2(SO4)3 =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = 3 Cl2 + 7 H2O + K2SO4 + 3 Na2SO4 + Cr2(SO4)3
C9H8O4 + H2O = C7H6O4 + C2H402 =>
1409 C9H8O4 + 1600 H2O = 1809 C7H6O4 + 9 C2H402
H2SO4 + K2Cr2O7 = CrO3 + K2SO4 + H2O =>
H2SO4 + K2Cr2O7 = 2 CrO3 + K2SO4 + H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Fe(SO4) + K(MnO4) = Fe(MnO4)2 + K2(SO4) =>
Fe(SO4) + 2 K(MnO4) = Fe(MnO4)2 + K2(SO4)
CH3COOCH2CH3CH3NH2 = CH3COOCH2CH2CH3NH3 =>
CH3COOCH2CH3CH3NH2 = CH3COOCH2CH2CH3NH3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
HClO2 + Mn(OH)2 = Mn(ClO2)2 + H2O =>
2 HClO2 + Mn(OH)2 = Mn(ClO2)2 + 2 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
K2Cr2O7 + C2H5OH = Cr2O3 + CH3COOH + KOH + H2O =>
2 K2Cr2O7 + 3 C2H5OH = 2 Cr2O3 + 3 CH3COOH + 4 KOH + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
CH2O2 + C2H5OH = CH2COOHC2H5OH + H2O =>
10 CH2O2 + 11 C2H5OH = 8 CH2COOHC2H5OH + 7 H2O
XeF4 + H2O = Xe + O + HF =>
XeF4 + 2 H2O = Xe + 2 O + 4 HF
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Fe2(SO4)3 + NH3*H2O = Fe(OH)3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3*H2O = 2 Fe(OH)3 + 3(NH4)2SO4
Mg + HCl = Mg2{+} + Cl{-} + H2 =>
4 Mg + 2 HCl = 2 Mg2{+} + 2 Cl{-} + H2
NH4OH + H2O = HNH4OH + OH =>
NH4OH + H2O = HNH4OH + OH
K2Cr2O7 + HI = I2 + CrI3 + KI + H2O =>
K2Cr2O7 + 14 HI = 3 I2 + 2 CrI3 + 2 KI + 7 H2O
H3PO4(aq) + KOH(s) = H2O(l) + K3PO4 =>
H3PO4(aq) + 3 KOH(s) = 3 H2O(l) + K3PO4
(CH2)2 + HMnO4 + H2O = (CH2OH)2 + MnO2 =>
3(CH2)2 + 2 HMnO4 + 2 H2O = 3(CH2OH)2 + 2 MnO2
KMnO4 + H2SO4 + C2H5OH = MnSO4 + K2SO4 + CH3COOH + H2O =>
4 KMnO4 + 6 H2SO4 + 5 C2H5OH = 4 MnSO4 + 2 K2SO4 + 5 CH3COOH + 11 H2O
C6H6O7 + NaHCO3 = H2O + CO2 + NaC2H3O2 =>
C6H6O7 + 2 NaHCO3 = H2O + 4 CO2 + 2 NaC2H3O2
Mg(OH)2 + Ca3H6(PO4)2 = Ca(OH)2 + Mg3H6(PO4)2 =>
3 Mg(OH)2 + Ca3H6(PO4)2 = 3 Ca(OH)2 + Mg3H6(PO4)2
NiF2(aq) + Fe2(SO4)3(aq) = NiSO4(aq) + (FeF3)8 =>
12 NiF2(aq) + 4 Fe2(SO4)3(aq) = 12 NiSO4(aq) + (FeF3)8
Al + Fe2O3 = Al3O2 + Fe =>
9 Al + 2 Fe2O3 = 3 Al3O2 + 4 Fe
SrCO3 + HNO4 = SrNO4 + HCO3 =>
SrCO3 + HNO4 = SrNO4 + HCO3
Na2S2O3 + HCl = S8 + NaCl + HSO3 + H2O =>
20 Na2S2O3 + 40 HCl = 3 S8 + 40 NaCl + 16 HSO3 + 12 H2O
CH3CH3 + O2(g) = CO2 + H2O(g) =>
2 CH3CH3 + 7 O2(g) = 4 CO2 + 6 H2O(g)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
P + Ag = PAg =>
P + Ag = PAg
KI + K2Cr2O7 + H2SeO4 = I2 + Cr2(SeO4) + K2SeO4 + H2O =>
10 KI + K2Cr2O7 + 7 H2SeO4 = 5 I2 + Cr2(SeO4) + 6 K2SeO4 + 7 H2O
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + K2SO4 + Na2SO4 + Cr2(SO4)3 =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = 3 Cl2 + 7 H2O + K2SO4 + 3 Na2SO4 + Cr2(SO4)3
KO2 = K2O + O2 =>
4 KO2 = 2 K2O + 3 O2
FeCl3 + HCl = HFeCl4 =>
FeCl3 + HCl = HFeCl4
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
C3H6 + HNO3 = C6H11NO2 + H2O =>
2 C3H6 + HNO3 = C6H11NO2 + H2O
Na2SO3 + O2 = Na2SO54 =>
2 Na2SO3 + 51 O2 = 2 Na2SO54
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Mg(OH)2 + H2O = Mg(OH2)2 + OH =>
Mg(OH)2 + 2 H2O = Mg(OH2)2 + 2 OH
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
KI + H2SO4 + KNO2 = NO + I2 + K2SO4 + H2O =>
2 KI + 2 H2SO4 + 2 KNO2 = 2 NO + I2 + 2 K2SO4 + 2 H2O
Cl2 + NH4Br = NH4Cl + Br2 =>
Cl2 + 2 NH4Br = 2 NH4Cl + Br2
O2 + C4H9NH2 = CO2 + H2O + N2 =>
27 O2 + 4 C4H9NH2 = 16 CO2 + 22 H2O + 2 N2
FeCl3 + HCl = HFeCl4 =>
FeCl3 + HCl = HFeCl4
P + Ag = PAg =>
P + Ag = PAg
Al + NO3{-} + H2O = Al{3+} + NH3 + OH{-} =>
8 Al + 3 NO3{-} + 18 H2O = 8 Al{3+} + 3 NH3 + 27 OH{-}
KMnO4 + H2SO4 + CHO = K2SO4 + MnSO4 + CO2 + H2O =>
6 KMnO4 + 9 H2SO4 + 10 CHO = 3 K2SO4 + 6 MnSO4 + 10 CO2 + 14 H2O
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