| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 2 HCl = 2 AlCl + H2
ZnCl2 + Fe = FeCl2 + Zn =>
ZnCl2 + Fe = FeCl2 + Zn
K2CrO7 + C + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
4 K2CrO7 + 9 C + 10 H2SO4 = 2 Cr2(SO4)3 + 4 K2SO4 + 9 CO2 + 10 H2O
CoCl2*6H2O + H2NCH2CH2NH2 + HCl + O2 = [Co(C2H4(NH2)2)2Cl2]Cl*(H2O)HCl + H2O =>
4 CoCl2*6H2O + 8 H2NCH2CH2NH2 + 8 HCl + O2 = 4[Co(C2H4(NH2)2)2Cl2]Cl*(H2O)HCl + 22 H2O
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
K2S + H2O + KBrO4 = S + KBr + KOH =>
4 K2S + 4 H2O + KBrO4 = 4 S + KBr + 8 KOH
NAOH + H2O = H3O + NAO =>
NAOH + H2O = H3O + NAO
CoCl2*6H2O + H2NCH2CH2NH2 + HCl + O2 = [Co(C2H4(NH2)2)2Cl2]Cl*(H2O)HCl + H2O =>
4 CoCl2*6H2O + 8 H2NCH2CH2NH2 + 8 HCl + O2 = 4[Co(C2H4(NH2)2)2Cl2]Cl*(H2O)HCl + 22 H2O
Cr2O3 + KNO3 + K2CO3 = KNO2 + CO2 + K2CrO4 =>
Cr2O3 + 3 KNO3 + 2 K2CO3 = 3 KNO2 + 2 CO2 + 2 K2CrO4
NAOH = OH + NA =>
NAOH = OH + NA
NO2{-} + NaOH + Zn + H2O = NH3 + [Zn(OH)4]{2-} + Na{+} =>
NO2{-} + 5 NaOH + 3 Zn + 5 H2O = NH3 + 3[Zn(OH)4]{2-} + 5 Na{+}
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Al + CrO = AlO + Cr =>
Al + CrO = AlO + Cr
Zn + NAOH + H2O = NAZn(OH)4 + H2 =>
2 Zn + 2 NAOH + 6 H2O = 2 NAZn(OH)4 + 3 H2
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
C2H5NH2 + NaOH = C2H5NaN + H3O =>
C2H5NH2 + NaOH = C2H5NaN + H3O
N + O2 = NO2 =>
N + O2 = NO2
CaO + H2 = Ca + H2O =>
CaO + H2 = Ca + H2O
Ca3(Po4)2 + H3Po4 = Ca(H2Po4)2 =>
Ca3(Po4)2 + 4 H3Po4 = 3 Ca(H2Po4)2
C2H5NH2 + HCl = C2H5NH3Cl =>
C2H5NH2 + HCl = C2H5NH3Cl
FECl3 + H2S = FECl2 + S + HCl =>
2 FECl3 + H2S = 2 FECl2 + S + 2 HCl
BaCl + Ag(NO3) = AgCl + Ba(NO3) =>
BaCl + Ag(NO3) = AgCl + Ba(NO3)
CoCl2*6H2O + NH4Cl + NH4OH + H2O2 = (Co(NH3)6)Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 10 NH4OH + H2O2 = 2(Co(NH3)6)Cl3 + 24 H2O
Na + Ca(OH)2 = Na(OH) + Ca2 =>
4 Na + 2 Ca(OH)2 = 4 Na(OH) + Ca2
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
FeTiO3(s)H2SO4(ac) = TiO2(s) + FeSO4(ac) + H2O =>
FeTiO3(s)H2SO4(ac) = TiO2(s) + FeSO4(ac) + H2O
FeS + HNO3 = Fe(NO3)2 + S + NO2 + H2O =>
FeS + 4 HNO3 = Fe(NO3)2 + S + 2 NO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Re2O7 + H2O = HReO4 =>
Re2O7 + H2O = 2 HReO4
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
P + O4 = PO4 =>
P + O4 = PO4
P + O2 = PO4 =>
P + 2 O2 = PO4
Fe2O3 + C = Fe3O4 + CO =>
3 Fe2O3 + C = 2 Fe3O4 + CO
Si + H2O = SiO2 + H2 =>
Si + 2 H2O = SiO2 + 2 H2
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
AGNO3 + NAOH = AGOH + NANO3 =>
AGNO3 + NAOH = AGOH + NANO3
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CuSO4 + Pb(NO3) = PbSO4 + Cu(NO3) =>
CuSO4 + Pb(NO3) = PbSO4 + Cu(NO3)
AGNO3 + NAOH = AGOH + NANO3 =>
AGNO3 + NAOH = AGOH + NANO3
CrO3 + H2O = H2CrO4 =>
CrO3 + H2O = H2CrO4
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
Ca(NO3)2 + NaPO4 = Ca(PO4)2 + NaNO3 =>
Ca(NO3)2 + 2 NaPO4 = Ca(PO4)2 + 2 NaNO3
SO3 + KOH = K2SO4 + H2O =>
SO3 + 2 KOH = K2SO4 + H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
KOH + O2 = KO2 + OH =>
KOH + O2 = KO2 + OH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/06/15
Équations équilibrées sur05/06/14
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