| Équations équilibrées la veille |
K2O3O2Si + 2 H2O = K2O + SiO2 + 4 OH
K2Cr2O7 + Sn + H2SO4 = SnSO4 + Cr2(SO4) + K2SO4 + H2O =>
K2Cr2O7 + 5 Sn + 7 H2SO4 = 5 SnSO4 + Cr2(SO4) + K2SO4 + 7 H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
S03{2-} + MnO4{-} + H{+} = S2O6{2-} + Mn{2+} + H2O =>
10 S03{2-} + 34 MnO4{-} + 92 H{+} = 15 S2O6{2-} + 34 Mn{2+} + 46 H2O
N2O4 = NO2(g) =>
N2O4 = 2 NO2(g)
Fe(s) + O3(g) = Fe2O2(s) =>
6 Fe(s) + 2 O3(g) = 3 Fe2O2(s)
BaSiO3 = Ba + Si + O =>
BaSiO3 = Ba + Si + 3 O
Au(No3) + Ba(ClO2) = Au(ClO2) + Ba(No3) =>
Au(No3) + Ba(ClO2) = Au(ClO2) + Ba(No3)
Rb3PO4 + Pb(NO3)2 = RbNO3 + Pb3(PO4)2 =>
2 Rb3PO4 + 3 Pb(NO3)2 = 6 RbNO3 + Pb3(PO4)2
CH3Br + NH3 = NH4Br + CH2 =>
CH3Br + NH3 = NH4Br + CH2
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
Mg + Fe2O = Fe + MgO =>
Mg + Fe2O = 2 Fe + MgO
Cr(NO3)2 + K2S = CrS + KNO3 =>
Cr(NO3)2 + K2S = CrS + 2 KNO3
(NH4)2SiO3 + NaOH = NH3 + H2O + Na2O3Si =>
(NH4)2SiO3 + 2 NaOH = 2 NH3 + 2 H2O + Na2O3Si
TiCl4Al(C2H5)3 = TiCl3C2H5Al(C2H5)2Cl =>
TiCl4Al(C2H5)3 = TiCl3C2H5Al(C2H5)2Cl
H2S + HCl + K2Cr2O7 = KCl + CrCl3 + H2O + S =>
3 H2S + 8 HCl + K2Cr2O7 = 2 KCl + 2 CrCl3 + 7 H2O + 3 S
Al2O3 = Al + O4 =>
4 Al2O3 = 8 Al + 3 O4
Bi(OH)3 + HClO2 = Bi(ClO2)3 + H2O =>
Bi(OH)3 + 3 HClO2 = Bi(ClO2)3 + 3 H2O
C + KMnO4 = CO2 + K2O + MnO2 =>
3 C + 4 KMnO4 = 3 CO2 + 2 K2O + 4 MnO2
Ni(NO3)2 + NH3 = Ni(NO3)2(NH3)6 =>
Ni(NO3)2 + 6 NH3 = Ni(NO3)2(NH3)6
Al + FeCl2*H2O = AlCl2 + Fe + H2O =>
Al + FeCl2*H2O = AlCl2 + Fe + H2O
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
CH4 + S8 = CS + H2S =>
8 CH4 + 3 S8 = 8 CS + 16 H2S
K2SiO4 + H2SO4 = K2SO4 + H2SiO4 =>
K2SiO4 + H2SO4 = K2SO4 + H2SiO4
H(g) + NO = H2O + N(g) =>
2 H(g) + NO = H2O + N(g)
BaCl2 + Al2(SO4)3 = BaCl2Al2(SO4)3 =>
BaCl2 + Al2(SO4)3 = BaCl2Al2(SO4)3
CH3COOK + KOH = K2CO3 + CH4 =>
CH3COOK + KOH = K2CO3 + CH4
NH3 + Na2O = NaNH2 + H2O =>
2 NH3 + Na2O = 2 NaNH2 + H2O
CH3COOH + MgCO3 = (CH3CO2)2Mg + H2O + CO2 =>
2 CH3COOH + MgCO3 = (CH3CO2)2Mg + H2O + CO2
Cl2 + NH4Br = NH4Cl + Br2 =>
Cl2 + 2 NH4Br = 2 NH4Cl + Br2
SrO + FeCl2 = SrCl2 + FeO =>
SrO + FeCl2 = SrCl2 + FeO
B + O2 = (B2O3) =>
4 B + 3 O2 = 2(B2O3)
BaI2 + HClO4 = Ba(ClO4)2 + I2 + Cl2 + H2O =>
7 BaI2 + 16 HClO4 = 7 Ba(ClO4)2 + 7 I2 + Cl2 + 8 H2O
Mg(CH3COO)2 + KF = MgF2 + K2(CH3COO)2 =>
Mg(CH3COO)2 + 2 KF = MgF2 + K2(CH3COO)2
K2SO3 + J2 + H2O = K2SO4 + HJ =>
K2SO3 + J2 + H2O = K2SO4 + 2 HJ
Cr(NO3)3 + Na3(PO4) = Cr(PO4) + Na(NO3) =>
Cr(NO3)3 + Na3(PO4) = Cr(PO4) + 3 Na(NO3)
KF + H2O = KOH + FH =>
KF + H2O = KOH + FH
C40H50 + O2 = CO2 + H2O =>
2 C40H50 + 105 O2 = 80 CO2 + 50 H2O
P4 + Cl3 = PCl3 =>
P4 + 4 Cl3 = 4 PCl3
NiC2O4 + H2SO4 + H2O2 = NiSO4 + CO2 + H2O =>
NiC2O4 + H2SO4 + H2O2 = NiSO4 + 2 CO2 + 2 H2O
HClO2 = HClO + HClO3 =>
2 HClO2 = HClO + HClO3
NiSO4 + BaO = BaSO4 + NiO =>
NiSO4 + BaO = BaSO4 + NiO
CH3CH2OH + CUO = CH3COOH + H2 + CU =>
CH3CH2OH + CUO = CH3COOH + H2 + CU
CaCl2(aq) + Na5P3O10(aq) = Ca5(P3O10)2(s) + NaCl(aq) =>
5 CaCl2(aq) + 2 Na5P3O10(aq) = Ca5(P3O10)2(s) + 10 NaCl(aq)
C7H6O2 + CH4 = CH3 + H2O =>
C7H6O2 + 19 CH4 = 26 CH3 + 2 H2O
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
KI + H2O2 = H2KI + O2 =>
KI + H2O2 = H2KI + O2
LiCl + NH4F = LiF + ClNH4 =>
LiCl + NH4F = LiF + ClNH4
ZnBr2(aq) + K2CO3 = KBr(aq) + ZnCO3 =>
ZnBr2(aq) + K2CO3 = 2 KBr(aq) + ZnCO3
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