| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 As2S5 + 140 HNO3 = 10 H3AsO4 + 25 H2SO4 + 140 NO2 + 3 H20
Cu(NO3)2(aq) + NaCl(aq) = CuCl2(aq) + Na(NO3)(aq) =>
Cu(NO3)2(aq) + 2 NaCl(aq) = CuCl2(aq) + 2 Na(NO3)(aq)
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + Na(NO3)(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 Na(NO3)(aq)
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cu(NO3)2(aq) + Na2SO4(aq) = Cu(SO4)(s) + Na(NO3)(aq) =>
Cu(NO3)2(aq) + Na2SO4(aq) = Cu(SO4)(s) + 2 Na(NO3)(aq)
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Cu(NO3)2(aq) + Na2CO3(aq) = Cu(CO3)(s) + Na(NO3)(aq) =>
Cu(NO3)2(aq) + Na2CO3(aq) = Cu(CO3)(s) + 2 Na(NO3)(aq)
C + O2 = CO2 =>
C + O2 = CO2
Al(OH)3 + HCl = H2O + AlCl3 =>
Al(OH)3 + 3 HCl = 3 H2O + AlCl3
Mg(NO3)2(aq) + NaCl(aq) = MgCl2(aq) + NaNO3(aq) =>
Mg(NO3)2(aq) + 2 NaCl(aq) = MgCl2(aq) + 2 NaNO3(aq)
Mg(NO3)2(aq) + NaOH(aq) = Mg(OH)2(s) + NaNO3(aq) =>
Mg(NO3)2(aq) + 2 NaOH(aq) = Mg(OH)2(s) + 2 NaNO3(aq)
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg(NO3)2(aq) + Na2SO4(aq) = MgSO4(s) + NaNO3(aq) =>
Mg(NO3)2(aq) + Na2SO4(aq) = MgSO4(s) + 2 NaNO3(aq)
Mg(NO3)2(aq) + Na2CO3(aq) = MgCO3(s) + NaNO3(aq) =>
Mg(NO3)2(aq) + Na2CO3(aq) = MgCO3(s) + 2 NaNO3(aq)
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
AgNO3(aq) + NaOH(aq) = AgOH(s) + NaNO3(aq) =>
AgNO3(aq) + NaOH(aq) = AgOH(s) + NaNO3(aq)
Fe + KOH + H2O = H2 + K2FeO4 =>
Fe + 2 KOH + 2 H2O = 3 H2 + K2FeO4
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
AgNO3(aq) + Na2SO4(aq) = Ag2SO4(aq) + NaNO3(aq) =>
2 AgNO3(aq) + Na2SO4(aq) = Ag2SO4(aq) + 2 NaNO3(aq)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + 2 NaNO3(aq)
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Mg(s) + P4(s) = Mg3P2(s) =>
6 Mg(s) + P4(s) = 2 Mg3P2(s)
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CuSO4(aq) + NaCl(aq) = CuCl2(aq) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaCl(aq) = CuCl2(aq) + Na2SO4(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2SO4 + Mg = MgSO4 + H2 =>
H2SO4 + Mg = MgSO4 + H2
CuSO4(aq) + NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq)
Cl2 + NaI = NaClClI =>
Cl2 + NaI = NaClClI
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
hydrogen + iodine = HI =>
H2 + I2 = 2 HI
Cl2 + NaI = NaCl + ClI =>
Cl2 + NaI = NaCl + ClI
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
CuSO4(aq) + Na2CO3(aq) = CuCO3(s) + Na2SO4(aq) =>
CuSO4(aq) + Na2CO3(aq) = CuCO3(s) + Na2SO4(aq)
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + H2C2O4 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
Fe + NaOH + H2O = H2 + Na2[Fe(OH)4] =>
Fe + 2 NaOH + 2 H2O = H2 + Na2[Fe(OH)4]
S8 + BrF5 = SF4 + Br2 =>
5 S8 + 32 BrF5 = 40 SF4 + 16 Br2
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Ca(HCO3)2 = CaO + CO2 + H2O =>
Ca(HCO3)2 = CaO + 2 CO2 + H2O
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
KBrO + MnCl2 + KOH = KBr + MnO2 + KCl + H2O =>
KBrO + MnCl2 + 2 KOH = KBr + MnO2 + 2 KCl + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/04/18
Équations équilibrées sur09/03/17
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