| Équations équilibrées la veille | Équations équilibrées le lendemain |
SiO2 + 2 C = SiC + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO3(aq) + K2Cr2O4(aq) + Fe(NO3)2(aq) = KNO3(aq) + Fe(NO3)3(aq) + Cr(NO3)2(aq) + H2O(l) =>
8 HNO3(aq) + K2Cr2O4(aq) + 2 Fe(NO3)2(aq) = 2 KNO3(aq) + 2 Fe(NO3)3(aq) + 2 Cr(NO3)2(aq) + 4 H2O(l)
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2S2O4 + V2S5 = SO3 + VH2 + S6 =>
36 H2S2O4 + 18 V2S5 = 48 SO3 + 36 VH2 + 19 S6
C3H7NH2 + HNO2 = C3H7OH + N2 + H2O =>
C3H7NH2 + HNO2 = C3H7OH + N2 + H2O
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
K2O + H3PO4 = K3PO4 + H2O =>
3 K2O + 2 H3PO4 = 2 K3PO4 + 3 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Na2O + HBr = H2O + NaBr =>
Na2O + 2 HBr = H2O + 2 NaBr
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
HNO3 + PCl3 + H2O = NO + H3PO4 + HCl =>
2 HNO3 + 3 PCl3 + 8 H2O = 2 NO + 3 H3PO4 + 9 HCl
NaOH + HNO3 = H2O + NaNO3 =>
NaOH + HNO3 = H2O + NaNO3
NaO2 + H2O = NaOH + O2 =>
4 NaO2 + 2 H2O = 4 NaOH + 3 O2
H2CO3 + NaOH = H2O + Na2CO3 =>
H2CO3 + 2 NaOH = 2 H2O + Na2CO3
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
BaCl + KSO4 = BaSO4 + KCl =>
BaCl + KSO4 = BaSO4 + KCl
NaClO3 + Cu = Cu(ClO3)2 + Na =>
2 NaClO3 + Cu = Cu(ClO3)2 + 2 Na
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
H2SO4 = H2O + SO3 =>
H2SO4 = H2O + SO3
FeSo4 + NaOH = Fe(OH)2 + Na2So4 =>
FeSo4 + 2 NaOH = Fe(OH)2 + Na2So4
P + NaOH + H2O = PH3 + NaH2PO2 =>
4 P + 3 NaOH + 3 H2O = PH3 + 3 NaH2PO2
FeS + O2 = Fe2O2 + SO2 =>
2 FeS + 3 O2 = Fe2O2 + 2 SO2
FE + CuSO4 = FESO4 + Cu =>
FE + CuSO4 = FESO4 + Cu
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
H2S2O4 + V2S5 = SO3 + VH2 + S6 =>
36 H2S2O4 + 18 V2S5 = 48 SO3 + 36 VH2 + 19 S6
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
MG + H2O = MGOH + H2 =>
2 MG + 2 H2O = 2 MGOH + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2S2O4 + V2S5 = SO3 + VH2 + S6 =>
36 H2S2O4 + 18 V2S5 = 48 SO3 + 36 VH2 + 19 S6
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
HNO3 + NH3 = (NH4)N03 + H2O =>
HNO3 + 3 NH3 = (NH4)N03 + 3 H2O
O2 + CH4 = CO2 + H2O =>
2 O2 + CH4 = CO2 + 2 H2O
Pb(NO3)4 + KOH = Pb(OH)4 + K(NO3) =>
Pb(NO3)4 + 4 KOH = Pb(OH)4 + 4 K(NO3)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe2(SO4)3 + NH4CNS = (NH4)2SO4 + Fe(CNS)3 =>
Fe2(SO4)3 + 6 NH4CNS = 3(NH4)2SO4 + 2 Fe(CNS)3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
K + H2O = K(OH) + H2 =>
2 K + 2 H2O = 2 K(OH) + H2
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/19/17
Équations équilibrées sur03/21/16
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