| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Fe + 3 O2 = 2 Fe2O3
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
Cu + S8 = Cu2S =>
16 Cu + S8 = 8 Cu2S
PHMgBr + H2O = MgBrOH + PHH =>
PHMgBr + H2O = MgBrOH + PHH
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C + H2O = CO + H2 =>
C + H2O = CO + H2
B2O3 + NaOH = Na3BO3 + H2O =>
B2O3 + 6 NaOH = 2 Na3BO3 + 3 H2O
Na2CO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + 2 NaCl(aq)
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
BaCl2 + Na3PO4 = Ba3(PO4)2 + NaCl =>
3 BaCl2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCl
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
PHMgBr + CO2 = PHCO2MgBr =>
PHMgBr + CO2 = PHCO2MgBr
NaNO2 + HCl = NaCl + HNO2 =>
NaNO2 + HCl = NaCl + HNO2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
PHMgBr + O2 = PHO2MgBr =>
PHMgBr + O2 = PHO2MgBr
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Bi2O3(s) + C(s) = Bi(s) + CO(g) =>
Bi2O3(s) + 3 C(s) = 2 Bi(s) + 3 CO(g)
PhMgBr + O2 = PhO2MgBr =>
PhMgBr + O2 = PhO2MgBr
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Na(s) + H2O(l) = NaOH(aq) + H2 =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2
Li2CO3 + NaCl = Na2CO3 + LiCl =>
Li2CO3 + 2 NaCl = Na2CO3 + 2 LiCl
PhMgBr + H2O = MgBrOH + PhH =>
PhMgBr + H2O = MgBrOH + PhH
Cl2(g) + KBr(aq) = KCl(aq) + Br2(aq) =>
Cl2(g) + 2 KBr(aq) = 2 KCl(aq) + Br2(aq)
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
KI(aq) + Pb(NO3)2(aq) = PbI2(s) + KNO3(aq) =>
2 KI(aq) + Pb(NO3)2(aq) = PbI2(s) + 2 KNO3(aq)
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CaOH + HCl = CaCl + H2O =>
CaOH + HCl = CaCl + H2O
C3H6(g) + O2(g) = CO2(g) + H2O =>
2 C3H6(g) + 9 O2(g) = 6 CO2(g) + 6 H2O
C3H6(g) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Ca(OH)2 + H3O = H2O + Ca =>
Ca(OH)2 + 2 H3O = 4 H2O + Ca
H2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + KHSO4 =>
3 H2S + 4 K2Cr2O7 + 17 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 8 KHSO4
Zn + HCl� = ZnCl2 + H2 =>
Zn + 2 HCl� = ZnCl2 + H2
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
CrI3 + Cl2 + KOH = KCrO4 + KCl + KIO3 + H2O =>
CrI3 + 11 Cl2 + 26 KOH = KCrO4 + 22 KCl + 3 KIO3 + 13 H2O
C3H8 + O2� = CO2 + H2O =>
C3H8 + 5 O2� = 3 CO2 + 4 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
As2S5 + HNO3 = H2SO4 + NO2 + H3AsO4 + H2O =>
As2S5 + 40 HNO3 = 5 H2SO4 + 40 NO2 + 2 H3AsO4 + 12 H2O
As2S + HNO3 = H2SO4 + NO2 + H3AsO4 + H2O =>
As2S + 16 HNO3 = H2SO4 + 16 NO2 + 2 H3AsO4 + 4 H2O
AgNO3 + Cu = Ag + CuNO3 =>
AgNO3 + Cu = Ag + CuNO3
CrO3 + HCl = CrCl6 + H2O =>
CrO3 + 6 HCl = CrCl6 + 3 H2O
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Na2CO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + 2 NaCl(aq)
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2PtCl6 + Zn = Pt + ZnCl2 + H2 =>
H2PtCl6 + 3 Zn = Pt + 3 ZnCl2 + H2
ZnCO3(s) = ZnO(s) + CO2(g) =>
ZnCO3(s) = ZnO(s) + CO2(g)
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/09/14
Équations équilibrées sur07/09/13
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