| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C13H24 + O2 = CO2 + H2O =>
C13H24 + 19 O2 = 13 CO2 + 12 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
(NH4)2SO4 + KOH = NH3 + K2SO4 + H2O =>
(NH4)2SO4 + 2 KOH = 2 NH3 + K2SO4 + 2 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
HCl + NAOH = NACl + H2O =>
HCl + NAOH = NACl + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
O2 = O3 =>
3 O2 = 2 O3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCH3CH2NH2(aq) + CH3CH2COOH(aq) = HCH3CH2NHCOCH2CH3 + H2O =>
HCH3CH2NH2(aq) + CH3CH2COOH(aq) = HCH3CH2NHCOCH2CH3 + H2O
Na2CO2 + HNO3 = CO2 + NaNO3 + H20 =>
10 Na2CO2 + 20 HNO3 = 10 CO2 + 20 NaNO3 + H20
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CaBr2 + K2MnO4 + H2SO4 = CaSO4 + K2SO4 + MnSO4 + Br2 + H2O =>
2 CaBr2 + K2MnO4 + 4 H2SO4 = 2 CaSO4 + K2SO4 + MnSO4 + 2 Br2 + 4 H2O
Pb{2+} + Ca(OH)2{2-} = Pb(OH)2 + Ca =>
Pb{2+} + Ca(OH)2{2-} = Pb(OH)2 + Ca
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
S + N2O = SO2 + N2 =>
S + 2 N2O = SO2 + 2 N2
C2 + H4 = C2H6 =>
2 C2 + 3 H4 = 2 C2H6
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2Cr2O7 + H2O + S = KOH + Cr2O3 + SO2 =>
2 K2Cr2O7 + 2 H2O + 3 S = 4 KOH + 2 Cr2O3 + 3 SO2
ZnO2 + CH3COOH = (CH3COO)2Zn + CO2 + H20 =>
10 ZnO2 + 30 CH3COOH = 10(CH3COO)2Zn + 20 CO2 + 3 H20
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
CUSO4 + NAOH = CUOH + NASO4 =>
CUSO4 + NAOH = CUOH + NASO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KIO3 + HI = I2 + H2O + KI =>
KIO3 + 6 HI = 3 I2 + 3 H2O + KI
CUSO4 + NAOH = CUOH + NASO4 =>
CUSO4 + NAOH = CUOH + NASO4
Al + Ba(NO3)2 = BaO + Al2O3 + N2 =>
10 Al + 3 Ba(NO3)2 = 3 BaO + 5 Al2O3 + 3 N2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
ZnO2 + CH3COOH = (CH3COO)2Zn + CO2 + H20 =>
10 ZnO2 + 30 CH3COOH = 10(CH3COO)2Zn + 20 CO2 + 3 H20
KMnO4 + HCl = MnCl2 + KCl + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 MnCl2 + 2 KCl + 5 Cl2 + 8 H2O
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Fe2O3(s) + Mg(s) = MgO(s) + Fe(s) =>
Fe2O3(s) + 3 Mg(s) = 3 MgO(s) + 2 Fe(s)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Al2(So4)3 + KOh = Al(Oh)3 + K2So4 =>
Al2(So4)3 + 6 KOh = 2 Al(Oh)3 + 3 K2So4
CuO + NaOH = CuOH + NaO =>
CuO + NaOH = CuOH + NaO
SnCl2 + Na2WO4 + HCl = W2O5 + SnCl4 + NaCl + H2O =>
SnCl2 + 2 Na2WO4 + 6 HCl = W2O5 + SnCl4 + 4 NaCl + 3 H2O
Al(OH)3 + NaOH = NaAlO2 + H2O =>
Al(OH)3 + NaOH = NaAlO2 + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
As2S2 + O2 = SO2 + As2O3 =>
2 As2S2 + 7 O2 = 4 SO2 + 2 As2O3
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/02/18
Équations équilibrées sur06/01/17
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