Équations équilibrées la veille |
2 Cr(NO3)3 + 3 K2S = Cr2S3 + 6 KNO3
Nb + HNO3 + HF = H2[NbF7] + NO + H2O =>
3 Nb + 5 HNO3 + 21 HF = 3 H2[NbF7] + 5 NO + 10 H2O
P2O5 + PCl5 = POCl3 =>
P2O5 + 3 PCl5 = 5 POCl3
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
SiO2 + Al2O3 = Al2SiO5 =>
SiO2 + Al2O3 = Al2SiO5
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
P2O5 + PCl5 = POCl3 =>
P2O5 + 3 PCl5 = 5 POCl3
K2CrO4 + KI + H2O = KOH + I2 + Cr(OH)3 =>
2 K2CrO4 + 6 KI + 8 H2O = 10 KOH + 3 I2 + 2 Cr(OH)3
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
NH4Cl + MgO = NH3 + H2O + MgCl2 =>
2 NH4Cl + MgO = 2 NH3 + H2O + MgCl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CrCl3 + NH3*H2O = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH3*H2O = Cr(OH)3 + 3 NH4Cl
C18H32O2 + CH3OH = C19H34O2 + H2O =>
C18H32O2 + CH3OH = C19H34O2 + H2O
C2H3Br2 + O2 = CO2 + H2O + Br2 =>
4 C2H3Br2 + 11 O2 = 8 CO2 + 6 H2O + 4 Br2
(NH4)2SO4 + NaOH = NH3 + H2O + (Na)2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + (Na)2SO4
CH2CH2 + HBr = BrCH2CH3 =>
CH2CH2 + HBr = BrCH2CH3
HF + Rb(OH) = RbF + H2O =>
HF + Rb(OH) = RbF + H2O
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
C3H4(g) + H2(g) = C3H8(g) =>
C3H4(g) + 2 H2(g) = C3H8(g)
Fe + H{+} = Fe{2+} + H2 =>
Fe + 2 H{+} = Fe{2+} + H2
V + HCl + HNO3 = VCl4 + NO + H2O =>
3 V + 12 HCl + 4 HNO3 = 3 VCl4 + 4 NO + 8 H2O
NaCl + CaCl2 + H2O = Ca(OH)2 + Cl2 + NaH =>
2 NaCl + CaCl2 + 2 H2O = Ca(OH)2 + 2 Cl2 + 2 NaH
CH2CH2 + KMnO4 + H2O = (CH2)2(OH)2 + MnO2 + KOH =>
3 CH2CH2 + 2 KMnO4 + 4 H2O = 3(CH2)2(OH)2 + 2 MnO2 + 2 KOH
CoCO3 + O2 = Co3O4 + CO2 =>
6 CoCO3 + O2 = 2 Co3O4 + 6 CO2
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
Sb2S3 + HNO3 + H2O = H3SbO4 + H2SO4 + NO =>
3 Sb2S3 + 28 HNO3 + 4 H2O = 6 H3SbO4 + 9 H2SO4 + 28 NO
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
C8H18(g) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(g) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
NaOH + NH4NO3 = NaNO3 + NH4OH =>
NaOH + NH4NO3 = NaNO3 + NH4OH
Mn(NO3)2 + H2 = Mn + HNO3 =>
Mn(NO3)2 + H2 = Mn + 2 HNO3
Ni(NO3)2 + Ba(OH)2 = Ni(OH)2 + Ba(NO3)2 =>
Ni(NO3)2 + Ba(OH)2 = Ni(OH)2 + Ba(NO3)2
Na2(CO3) + Li(NO3) = Li2(CO3) + Na(NO3) =>
Na2(CO3) + 2 Li(NO3) = Li2(CO3) + 2 Na(NO3)
BaO2 + HCl = BaCl2 + H2O2 =>
BaO2 + 2 HCl = BaCl2 + H2O2
H2SO4 = H + SO4 =>
H2SO4 = 2 H + SO4
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
BaS + NaF = BaF2 + Na2S =>
BaS + 2 NaF = BaF2 + Na2S
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Ga + F2 = Ga2F3 =>
4 Ga + 3 F2 = 2 Ga2F3
AlCl3(aq) + NaOH(aq) = Al(OH)3(aq) + NaCl(aq) =>
AlCl3(aq) + 3 NaOH(aq) = Al(OH)3(aq) + 3 NaCl(aq)
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
NaHCO3 + CaH4P2O8 = Na2HPO4 + Ca5P3O13H + H2O + CO2 =>
14 NaHCO3 + 5 CaH4P2O8 = 7 Na2HPO4 + Ca5P3O13H + 13 H2O + 14 CO2
(H2O)2 = H2O =>
(H2O)2 = 2 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C9H8 + H2O = C9H10O =>
C9H8 + H2O = C9H10O
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