| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Zn + 10 HNO3 = NH4NO3 + 4 Zn(NO3)2 + 3 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Fe{3+} + SCN{-} = Fe(SCN)3 =>
Fe{3+} + 3 SCN{-} = Fe(SCN)3
CH2C(CH3)CH3 + KMnO4 + H2SO4 = CH3C(O)CH3 + K2SO4 + MnSO4 + H2O =>
15 CH2C(CH3)CH3 + 8 KMnO4 + 12 H2SO4 = 20 CH3C(O)CH3 + 4 K2SO4 + 8 MnSO4 + 12 H2O
N2 + O = NO =>
N2 + 2 O = 2 NO
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
Cd + HNO3 = Cd(NO3)2 + N2O + H2O =>
4 Cd + 10 HNO3 = 4 Cd(NO3)2 + N2O + 5 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
CH2C(CH3)CH3 + KMnO4 + H2SO4 = CH3C(O)CH3 + K2SO4 + MnSO4 + H2O =>
15 CH2C(CH3)CH3 + 8 KMnO4 + 12 H2SO4 = 20 CH3C(O)CH3 + 4 K2SO4 + 8 MnSO4 + 12 H2O
KClO3 = KCl + O3 =>
KClO3 = KCl + O3
Hg + H2SO4 = HgSO4 + S + H2O =>
3 Hg + 4 H2SO4 = 3 HgSO4 + S + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
K(s) + Br2(l) = KBr(s) =>
2 K(s) + Br2(l) = 2 KBr(s)
KBr + H2SO4 = Br2 + SO2 + H2O + K2SO4 =>
2 KBr + 2 H2SO4 = Br2 + SO2 + 2 H2O + K2SO4
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
K + KNO3 = K2O + N2 =>
10 K + 2 KNO3 = 6 K2O + N2
K3PO4 + NH4Cl = K3Cl + NH4PO4 =>
K3PO4 + NH4Cl = K3Cl + NH4PO4
S2 + O2 = SO2 =>
S2 + 2 O2 = 2 SO2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
C7H14 + O2 = CO2 + H2O =>
2 C7H14 + 21 O2 = 14 CO2 + 14 H2O
CaI2 + H2SO4 = CaSO4 + I2 + H2S + H2O =>
4 CaI2 + 5 H2SO4 = 4 CaSO4 + 4 I2 + H2S + 4 H2O
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
BaO2(s) = BaO(s) + O2(g) =>
2 BaO2(s) = 2 BaO(s) + O2(g)
CaO + So3 = CaSo4 + O2 =>
6 CaO + 8 So3 = 6 CaSo4 + 3 O2
S + O2 = SO2 =>
S + O2 = SO2
Cu + Cl = CuCl2 =>
Cu + 2 Cl = CuCl2
C2H4 + HBr = C2H5Br =>
C2H4 + HBr = C2H5Br
H2SO5 + H{+} + I{-} = I2 + SO2 + H2O =>
H2SO5 + 4 H{+} + 4 I{-} = 2 I2 + SO2 + 3 H2O
Mg + FeO = Fe + MgO =>
Mg + FeO = Fe + MgO
HNO2 + HI = NO + I2 + H2O =>
2 HNO2 + 2 HI = 2 NO + I2 + 2 H2O
H2O2 + SnCl2 + NaOH = O2 + HCl + Na[Sn(OH)6] =>
7 H2O2 + 2 SnCl2 + 2 NaOH = 2 O2 + 4 HCl + 2 Na[Sn(OH)6]
KMNO4 + HCl = KCl + MNCl2 + H2O + Cl2 =>
2 KMNO4 + 16 HCl = 2 KCl + 2 MNCl2 + 8 H2O + 5 Cl2
Na2Cr2O7 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H20 =>
5 Na2Cr2O7 + 35 NaNO2 + 20 H2SO4 = 35 NaNO3 + 5 Cr2(SO4)3 + 5 Na2SO4 + 2 H20
Cl2 + H = HCl =>
Cl2 + 2 H = 2 HCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
K2S2O3 + HCl = KClO + S + H2O =>
K2S2O3 + 2 HCl = 2 KClO + 2 S + H2O
Cr2(SO4)3 + Br2 + KOH = K2CrO4 + KBr + K2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 3 K2SO4 + 8 H2O
HNO3 + Mg = N2O + H2O + Mg2O5 =>
10 HNO3 + 8 Mg = 5 N2O + 5 H2O + 4 Mg2O5
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/03/15
Équations équilibrées sur12/03/14
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