| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 XC2H5 + 7 O2 = 2 XOH + 4 CO2 + 4 H2O
CuSO4(ac) + NaOH(ac) = Cu(OH)2(s) + Na2SO4(ac) =>
CuSO4(ac) + 2 NaOH(ac) = Cu(OH)2(s) + Na2SO4(ac)
KNO2 + KI + H2SO4 = NO + I2 + K2SO4 + H2O =>
2 KNO2 + 2 KI + 2 H2SO4 = 2 NO + I2 + 2 K2SO4 + 2 H2O
NH3 + NO2 = N2O + H20 =>
60 NH3 + 20 NO2 = 40 N2O + 9 H20
NaOH + Cl2 = NaClO3 + NaCl + H2O =>
6 NaOH + 3 Cl2 = NaClO3 + 5 NaCl + 3 H2O
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
CuCO3 + HCl = CuCl2 + CO2 + H2O =>
CuCO3 + 2 HCl = CuCl2 + CO2 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg + Cu(NO3)2 = Mg(NO3) + Cu =>
2 Mg + Cu(NO3)2 = 2 Mg(NO3) + Cu
Na2O2(s) + H2O(l) = NaOH(aq) + O2(g) =>
2 Na2O2(s) + 2 H2O(l) = 4 NaOH(aq) + O2(g)
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
ZnSO4 + KOH = K2[Zn(OH)4] + K2SO4 =>
ZnSO4 + 4 KOH = K2[Zn(OH)4] + K2SO4
S + NaOH = Na2S + Na2S2O3 + H2O =>
4 S + 6 NaOH = 2 Na2S + Na2S2O3 + 3 H2O
Mg + SnCl2 = MgCl + Sn =>
2 Mg + SnCl2 = 2 MgCl + Sn
S2O3{2-} + I2 = I{-} + S4O6{2-} =>
2 S2O3{2-} + 2 I2 = 4 I{-} + S4O6{2-}
HNO3 + Ca = Ca(NO3)2 + N2O + H2O =>
10 HNO3 + 4 Ca = 4 Ca(NO3)2 + N2O + 5 H2O
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
K2MnO4 + CO2 = KMnO4 + MnO2 + K2CO3 =>
3 K2MnO4 + 2 CO2 = 2 KMnO4 + MnO2 + 2 K2CO3
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Mg + Zn(NO3)2 = Mg(NO3)2 + Zn =>
Mg + Zn(NO3)2 = Mg(NO3)2 + Zn
H2SO4 + Cu = SO2 + CuSO4 + H2O =>
2 H2SO4 + Cu = SO2 + CuSO4 + 2 H2O
K2[Zn(OH)4] + HNO3 = Zn(NO3)2 + KNO3 + H2O =>
K2[Zn(OH)4] + 4 HNO3 = Zn(NO3)2 + 2 KNO3 + 4 H2O
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
SO2 + I2 + H2O = H2SO4 + HI =>
SO2 + I2 + 2 H2O = H2SO4 + 2 HI
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
MgO = O2 + Mg =>
2 MgO = O2 + 2 Mg
As2S3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2S3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SO4 + 28 NO
SO2 + KI + H2O = KOH + S + I2 =>
SO2 + 4 KI + 2 H2O = 4 KOH + S + 2 I2
MgO = O + Mg =>
MgO = O + Mg
BaO + HBr = BaBr2 + H2O =>
BaO + 2 HBr = BaBr2 + H2O
Zn(NO3)2 + H2O = ZnO + HNO3 =>
Zn(NO3)2 + H2O = ZnO + 2 HNO3
Zn + HNO3 = Zn(NO3) + NO2 + H2O =>
Zn + 2 HNO3 = Zn(NO3) + NO2 + H2O
Cl2 + NAOH = NACl + NAClO + H2O =>
Cl2 + 2 NAOH = NACl + NAClO + H2O
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
Ba{2+} + CO3{2-} = BaCO3 =>
Ba{2+} + CO3{2-} = BaCO3
H3PO4 + Zn(OH)2 = Zn3(PO4)2 + H2O =>
2 H3PO4 + 3 Zn(OH)2 = Zn3(PO4)2 + 6 H2O
Cl2 + NAOH = NACl + NAClO3 + H2O =>
3 Cl2 + 6 NAOH = 5 NACl + NAClO3 + 3 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P + CO =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 2 P + 5 CO
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
Al + HNO3 = Al(NO3)3 + N2 + H2O =>
10 Al + 36 HNO3 = 10 Al(NO3)3 + 3 N2 + 18 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
Zn(NO3)2 + AgOH = ZnO + AgNO3 + H2O =>
Zn(NO3)2 + 2 AgOH = ZnO + 2 AgNO3 + H2O
CH3CHOHCOOH + Na(OH) = NaC3H5O3 + H2O =>
CH3CHOHCOOH + Na(OH) = NaC3H5O3 + H2O
Cl2 + NaOH = NaCl + NaClO + H2O =>
Cl2 + 2 NaOH = NaCl + NaClO + H2O
I2 + K2SO3 + KOH = KI + K2SO4 + H2O =>
I2 + K2SO3 + 2 KOH = 2 KI + K2SO4 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/02/14
Équations équilibrées sur11/01/13
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