Équations équilibrées la veille |
Fe2S3 = 2 Fe + 3 S
NaNO2 + H2SO4 = NaSO4 + H2NO2 =>
NaNO2 + H2SO4 = NaSO4 + H2NO2
C3H12 = CH4 =>
C3H12 = 3 CH4
Zn(NO3)2 = ZnO + NO2 + O2 =>
2 Zn(NO3)2 = 2 ZnO + 4 NO2 + O2
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
HClO + CaCl2 = CaClO + HCl2 =>
HClO + CaCl2 = CaClO + HCl2
HCl + C3Cl3N3O3 = C3H3N3O3 + Cl2 =>
3 HCl + C3Cl3N3O3 = C3H3N3O3 + 3 Cl2
Mn(NO3)2 = MnO + NO2 + O2 =>
2 Mn(NO3)2 = 2 MnO + 4 NO2 + O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Na2SO3(aq) + S8(s) = Na2S2O3(aq) =>
8 Na2SO3(aq) + S8(s) = 8 Na2S2O3(aq)
H2O(l) + NaOH(s) = H2(g) + NaO2(aq) =>
2 H2O(l) + 2 NaOH(s) = 3 H2(g) + 2 NaO2(aq)
NiCl3 + V3N5 = NiN + VCl5 =>
5 NiCl3 + V3N5 = 5 NiN + 3 VCl5
Zn + Li2CO3 = ZnCO3 + Li =>
Zn + Li2CO3 = ZnCO3 + 2 Li
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
PbO(s) + PH3(aq) = P4(g) + Pb(s) + H2O(l) =>
6 PbO(s) + 4 PH3(aq) = P4(g) + 6 Pb(s) + 6 H2O(l)
H2 + HF2 = HF =>
H2 + 2 HF2 = 4 HF
Al + MgO = Al2O3 + Mg =>
2 Al + 3 MgO = Al2O3 + 3 Mg
Fe + PbSO4 = Pb2 + FeSO4 =>
2 Fe + 2 PbSO4 = Pb2 + 2 FeSO4
MgSO4 + K2CO3 = K2SO4 + MgCO3 =>
MgSO4 + K2CO3 = K2SO4 + MgCO3
C6H5NH2 + C4H6O3 = CH3COOH + C6H5NH(COCH3) =>
C6H5NH2 + C4H6O3 = CH3COOH + C6H5NH(COCH3)
(H)2 + (N)2 = NH3 =>
3(H)2 + (N)2 = 2 NH3
Ne + Mg = NeMg =>
Ne + Mg = NeMg
AgNO3(ac) + Cu(s) = Ag(s) + Cu(NO3)2(ac) =>
2 AgNO3(ac) + Cu(s) = 2 Ag(s) + Cu(NO3)2(ac)
NaOCl(aq) + KI(aq) = NaCl(aq) + KIO3 =>
3 NaOCl(aq) + KI(aq) = 3 NaCl(aq) + KIO3
Cu(SO4)2 + Ba(OH)2 = Cu(OH)2 + Ba(SO4)2 =>
Cu(SO4)2 + Ba(OH)2 = Cu(OH)2 + Ba(SO4)2
Ge + Se = Ge3Se2 =>
3 Ge + 2 Se = Ge3Se2
KMnO4 + FeSO4 + H2SO4 = K2SO4 + MnSO4 + Fe(SO4)3 + H2O =>
4 KMnO4 + 5 FeSO4 + 16 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 Fe(SO4)3 + 16 H2O
Ni(SO4) + Zn = Ni + Zn(SO4) =>
Ni(SO4) + Zn = Ni + Zn(SO4)
CaO + H2SO4 = H2O + CaSO4 =>
CaO + H2SO4 = H2O + CaSO4
AgNO3(aq) + Na2CO3(aq) = NaNO3(aq) + Ag2CO3 =>
2 AgNO3(aq) + Na2CO3(aq) = 2 NaNO3(aq) + Ag2CO3
NiSO4(aq) + NaOH(aq) = Ni(OH)2(s) + Na2SO4(aq) =>
NiSO4(aq) + 2 NaOH(aq) = Ni(OH)2(s) + Na2SO4(aq)
H2SiO3 + NaOH = H2O + Na2SiO3 =>
H2SiO3 + 2 NaOH = 2 H2O + Na2SiO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
CH3OONa + HCl = CH3OOH + NaCl =>
CH3OONa + HCl = CH3OOH + NaCl
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + HOH =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 HOH
BaCl2 + O2 = BaO2 + Cl2 =>
BaCl2 + O2 = BaO2 + Cl2
B2O3(s) + C(s) = B4C3(s) + CO2(g) =>
2 B2O3(s) + 6 C(s) = B4C3(s) + 3 CO2(g)
CoCl2 + K3(PO4) = KCl + Co3(PO4)2 =>
3 CoCl2 + 2 K3(PO4) = 6 KCl + Co3(PO4)2
Al(s) + O2(g) = Al2O3 =>
4 Al(s) + 3 O2(g) = 2 Al2O3
Be{-} + Hg{+} = Be + Hg =>
Be{-} + Hg{+} = Be + Hg
Na2SO4 + O2 = NaO + SO4 =>
Na2SO4 + O2 = 2 NaO + SO4
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Zn(s) + CoCl2(aq) = ZnCl2(aq) + Co(s) =>
Zn(s) + CoCl2(aq) = ZnCl2(aq) + Co(s)
LiOH + H2 = Li + H2O =>
2 LiOH + H2 = 2 Li + 2 H2O
Fe(s) + O2(g) = Fe2O3 =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3
Ta + HNO3 + HF = H2TaF6 + NO + H2O =>
3 Ta + 4 HNO3 + 18 HF = 3 H2TaF6 + 4 NO + 8 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Hg + N2 = NHg =>
2 Hg + N2 = 2 NHg
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