| Équations équilibrées la veille |
3 HNO2 + K2Cr2O7 + 4 H2SO4 = 3 HNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
AlN + Na2(SO4) = Na3N + Al2(SO4)3 =>
2 AlN + 3 Na2(SO4) = 2 Na3N + Al2(SO4)3
Pb(OH)2 + OH = [Pb(OH)4]2 =>
2 Pb(OH)2 + 4 OH = [Pb(OH)4]2
NaHO = NaH + O2 =>
2 NaHO = 2 NaH + O2
C2H4 + MnO4{-} + H2O = C2H2O4 + MnO2 + OH{-} =>
3 C2H4 + 10 MnO4{-} + 2 H2O = 3 C2H2O4 + 10 MnO2 + 10 OH{-}
Cu(NO2)2 + NHCN = Cu(CN)2 + NHNO2 =>
Cu(NO2)2 + 2 NHCN = Cu(CN)2 + 2 NHNO2
NaNO2 + H2O + Cl2 = NaNO3 + HCl =>
NaNO2 + H2O + Cl2 = NaNO3 + 2 HCl
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
H2O2 + MnO2 = MnH2 + O2 =>
H2O2 + MnO2 = MnH2 + 2 O2
NH4OH + HNO3 = NH4NO3 + H2O =>
NH4OH + HNO3 = NH4NO3 + H2O
BaSO4 + HCl = BaCl2 + H2SO4 =>
BaSO4 + 2 HCl = BaCl2 + H2SO4
Zn(H2O)4{2+} + NaCN = Zn(CN)4{2-} + Na{+} + H2O =>
Zn(H2O)4{2+} + 4 NaCN = Zn(CN)4{2-} + 4 Na{+} + 4 H2O
NaHCO3 + C2H6O = NaH6O + C2HCO3 =>
NaHCO3 + C2H6O = NaH6O + C2HCO3
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
NaCl + H2O = NaH + Cl2O =>
2 NaCl + H2O = 2 NaH + Cl2O
NH4NO3(aq) + NaOH(aq) = NaNO3(aq) + NH4(g) + H2O =>
9 NH4NO3(aq) + 10 NaOH(aq) = 10 NaNO3(aq) + 8 NH4(g) + 7 H2O
NaHCO3 + C2H6O = NaH6O + C2HCO3 =>
NaHCO3 + C2H6O = NaH6O + C2HCO3
Na + J2 = Na2J2 =>
2 Na + J2 = Na2J2
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
KBr + Cl = KBrCl =>
KBr + Cl = KBrCl
Sn2 + O2 = SnO2 =>
Sn2 + 2 O2 = 2 SnO2
FeO(s) + O2(g) = Fe2O3(s) =>
4 FeO(s) + O2(g) = 2 Fe2O3(s)
HNO3 + Mg(CO3) = Mg(NO3)2 + CO2 + H2O =>
2 HNO3 + Mg(CO3) = Mg(NO3)2 + CO2 + H2O
Sn{2+} + S{2-} = SnS =>
Sn{2+} + S{2-} = SnS
S + O2 = S2O =>
4 S + O2 = 2 S2O
Fe(SCN)3 + NH4F = (NH4)3[FeF6] + NH4SCN =>
Fe(SCN)3 + 6 NH4F = (NH4)3[FeF6] + 3 NH4SCN
Si + Ba(OH)2 + H2O = BaSiO3 + H2 =>
Si + Ba(OH)2 + H2O = BaSiO3 + 2 H2
H{+} + e + NO3{-} = NO2 + H2O =>
2 H{+} + e + NO3{-} = NO2 + H2O
C3H8 = C + H2 =>
C3H8 = 3 C + 4 H2
KNO3 + Al + H2O = KNO2 + Al(OH)3 =>
3 KNO3 + 2 Al + 3 H2O = 3 KNO2 + 2 Al(OH)3
CH3NH3Cl + H2O = CH3NH2Cl + H3O =>
CH3NH3Cl + H2O = CH3NH2Cl + H3O
N1 + H2 = NH3 =>
2 N1 + 3 H2 = 2 NH3
H3PO2 + HgCl2 + H2O = H3PO3 + HCl + Hg =>
H3PO2 + HgCl2 + H2O = H3PO3 + 2 HCl + Hg
NH4ClO4 + C4H6 = CO2 + H2O + N2 + HCl =>
22 NH4ClO4 + 5 C4H6 = 20 CO2 + 48 H2O + 11 N2 + 22 HCl
H17C35COOH + O2 = CO2 + H2O =>
2 H17C35COOH + 79 O2 = 72 CO2 + 18 H2O
Mg + HI = HIMg =>
Mg + HI = HIMg
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Ammoniumsulfate + sodiumhydroxide = sodiumsulfate + ammonia + water =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
Cu + Se = CuSe =>
Cu + Se = CuSe
CuCl + HCl = CuCl2 + H =>
CuCl + HCl = CuCl2 + H
Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
KClO3 + KOH + Mn02 = K2MnO4 + H2O + KCl =>
2 KClO3 + 4 KOH + Mn02 = 2 K2MnO4 + 2 H2O + 2 KCl
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
K2CO3 + NiBr2 = KBr + (CO3)2Ni2 =>
2 K2CO3 + 2 NiBr2 = 4 KBr + (CO3)2Ni2
NaIO + F2 = I + NaFO =>
2 NaIO + F2 = 2 I + 2 NaFO
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| Équations équilibrées la veille |
Équations équilibrées sur10/18/24
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