| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
Fe + HNO3 = Fe(NO3)2 + N2 + H2O =>
5 Fe + 12 HNO3 = 5 Fe(NO3)2 + N2 + 6 H2O
H2O2 + Cr{3+} + OH{-} = CrO4{2-} + H2O =>
3 H2O2 + 2 Cr{3+} + 10 OH{-} = 2 CrO4{2-} + 8 H2O
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
Mg(NO3)2 + H2(SO4) = Mg(SO4)2 + NO2 + H2O =>
Mg(NO3)2 + 2 H2(SO4) = Mg(SO4)2 + 2 NO2 + 2 H2O
Cl + KOH = KCl + KClO + H2O =>
2 Cl + 2 KOH = KCl + KClO + H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
N2H4 + HNO3 = N2 + H2O =>
5 N2H4 + 4 HNO3 = 7 N2 + 12 H2O
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
NaOH + As + NaClO = Na3AsO4 + NaCl + H2O =>
6 NaOH + 2 As + 5 NaClO = 2 Na3AsO4 + 5 NaCl + 3 H2O
Ca + HNO3 = Ca(NO3)2 + NO + H2O =>
3 Ca + 8 HNO3 = 3 Ca(NO3)2 + 2 NO + 4 H2O
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaBH4 + BF3 = NaBF4 + B2H6 =>
3 NaBH4 + 4 BF3 = 3 NaBF4 + 2 B2H6
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Na2CrO4 + Pb(C2H3O2)2 = NaC2H3O2 + PbCrO4 =>
Na2CrO4 + Pb(C2H3O2)2 = 2 NaC2H3O2 + PbCrO4
BCl3 + P4 + H2 = BP + HCl =>
4 BCl3 + P4 + 6 H2 = 4 BP + 12 HCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
H2O + SiO2 = H2SiO3 =>
H2O + SiO2 = H2SiO3
Cu(NO3)(aq) + K2S(aq) = K2(NO3)(aq) + CuS(aq) =>
Cu(NO3)(aq) + K2S(aq) = K2(NO3)(aq) + CuS(aq)
C2H2Cl4 + Ca(OH)2 = C2HCl3 + CaCl2 + H2O =>
2 C2H2Cl4 + Ca(OH)2 = 2 C2HCl3 + CaCl2 + 2 H2O
H20 + Na2O3 = NaOH + O2 =>
H20 + 10 Na2O3 = 20 NaOH + 5 O2
(NH4)2SO4 + NaCl = NH4Cl + Na2SO4 =>
(NH4)2SO4 + 2 NaCl = 2 NH4Cl + Na2SO4
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
H2O + Na2O3 = NaOH + O2 =>
H2O + Na2O3 = 2 NaOH + O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Cd(NO3)2 + NH3 = Cd(NH3)4(NO3)2 =>
Cd(NO3)2 + 4 NH3 = Cd(NH3)4(NO3)2
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CuNO3(aq) + K2S(aq) = K2(NO3)(aq) + CuS(aq) =>
CuNO3(aq) + K2S(aq) = K2(NO3)(aq) + CuS(aq)
CuNO3(aq) + K2S(aq) = K2NO3(aq) + CuS(aq) =>
CuNO3(aq) + K2S(aq) = K2NO3(aq) + CuS(aq)
KC2H3O2 + CoSO4 = K2SO4 + Co(C2H3O2)2 =>
2 KC2H3O2 + CoSO4 = K2SO4 + Co(C2H3O2)2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
H2SO4 + Ba(OH)2 = BaSO4 + H2O =>
H2SO4 + Ba(OH)2 = BaSO4 + 2 H2O
BaBr2 + K2CO3 = BaCO3 + KBr =>
BaBr2 + K2CO3 = BaCO3 + 2 KBr
KBrO3 + N2H4 = N2 + KBr + H2O =>
2 KBrO3 + 3 N2H4 = 3 N2 + 2 KBr + 6 H2O
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
Si + O2 = SiO2 =>
Si + O2 = SiO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
SnI2 + O2 = SnO2 + I2 =>
SnI2 + O2 = SnO2 + I2
KMnO4 = K2O + Mn + O2 =>
4 KMnO4 = 2 K2O + 4 Mn + 7 O2
Cu + HNO3 + H2SO4 = CuSO4 + NO2 + H2O =>
Cu + 2 HNO3 + H2SO4 = CuSO4 + 2 NO2 + 2 H2O
NaO + HCl = NaCl + HO =>
NaO + HCl = NaCl + HO
FeCl2 + O2 + HCl = FeCl3 + H2O =>
4 FeCl2 + O2 + 4 HCl = 4 FeCl3 + 2 H2O
NaO + HCl = NaCl + OH =>
NaO + HCl = NaCl + OH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/18/14
Équations équilibrées sur03/20/13
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