| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Ag + 2 H2S + O2 = 2 Ag2S + 2 H2O
CaCO3 + C = CaC2 + CO =>
CaCO3 + 4 C = CaC2 + 3 CO
CaCO3 + C = CaC2 + CO2 =>
2 CaCO3 + 5 C = 2 CaC2 + 3 CO2
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
Al2O3 + SO2 = Al + SO3 =>
Al2O3 + 3 SO2 = 2 Al + 3 SO3
Mn(OH)2 + Br2 + NaOH = Na2MnO4 + NaBr + H2O =>
Mn(OH)2 + 2 Br2 + 6 NaOH = Na2MnO4 + 4 NaBr + 4 H2O
NO2 + H2O = HNO2 + HNO3 =>
2 NO2 + H2O = HNO2 + HNO3
FeS2 + HNO3 = Fe(NO3)3 + H2SO4 + NO2 + H2O =>
FeS2 + 18 HNO3 = Fe(NO3)3 + 2 H2SO4 + 15 NO2 + 7 H2O
CO + H2 = C4H10 + H2O =>
4 CO + 9 H2 = C4H10 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
NH3 + Cl2 + NaOH = N2H2 + NaCl + H2O =>
2 NH3 + 2 Cl2 + 4 NaOH = N2H2 + 4 NaCl + 4 H2O
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
KOH + H2SO4 = H2O + K2SO4 =>
2 KOH + H2SO4 = 2 H2O + K2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HOCl + KOH = KCl + KClO3 + H2O =>
3 HOCl + 3 KOH = 2 KCl + KClO3 + 3 H2O
CaCO3 + HCl = H2O + CO2 + CaCl2 =>
CaCO3 + 2 HCl = H2O + CO2 + CaCl2
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H20 =>
10 Cu2S + 60 HNO3 = 10 Cu(NO3)2 + 10 CuSO4 + 40 NO2 + 3 H20
(CH3CO)2O + CH3OH = CH3CH2COOH + CH3COOH =>
(CH3CO)2O + CH3OH = CH3CH2COOH + CH3COOH
HCl + Mg = H2 + MgCl2 =>
2 HCl + Mg = H2 + MgCl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H20 =>
10 Cu2S + 80 HNO3 = 20 Cu(NO3)2 + 10 H2SO4 + 40 NO2 + 3 H20
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
Cu2S + 14 HNO3 = 2 Cu(NO3)2 + H2SO4 + 10 NO2 + 6 H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Fe + HNO3 = Fe(NO3)3 + N2O + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 N2O + 15 H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
K + F2 = KF2 =>
K + F2 = KF2
KClO3 + H2C2O2 = CO2 + H2O + KCl =>
KClO3 + H2C2O2 = 2 CO2 + H2O + KCl
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
KI + KClO3 + H2O = I2 + KCl + KOH =>
6 KI + KClO3 + 3 H2O = 3 I2 + KCl + 6 KOH
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCOOH + KOH = HCOOK + H2O =>
HCOOH + KOH = HCOOK + H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
CuS + NO3{-} + H{+} = Cu{2+} + S8 + NO + H2O =>
24 CuS + 16 NO3{-} + 64 H{+} = 24 Cu{2+} + 3 S8 + 16 NO + 32 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
F2 + K = KF =>
F2 + 2 K = 2 KF
Lead(II)Nitrate + PotassiumIodide = Lead(II)Iodide + PotassiumNitrate =>
Lead(II)Nitrate + PotassiumIodide = Lead(II)Iodide + PotassiumNitrate
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C + Na = NaC =>
C + Na = NaC
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
(CH3CO)2O + CH3CH2NH2 = CH3CONHCH2CH3 + CH3COOH =>
(CH3CO)2O + CH3CH2NH2 = CH3CONHCH2CH3 + CH3COOH
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
K2CrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 3 NaNO2 + 5 H2SO4 = 3 NaNO3 + Cr2(SO4)3 + 2 K2SO4 + 5 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/29/13
Équations équilibrées sur11/28/12
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