Équations équilibrées la veille |
2 Ag2O2 + 4 HNO3 = 4 AgNO3 + O2 + 2 H2O
KMnO4 + C2H2O4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
2 KMnO4 + 5 C2H2O4 + 3 H2SO4 = 10 CO2 + 8 H2O + K2SO4 + 2 MnSO4
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
H2O + Cd + Ni2O3 = Cd(OH)2 + Ni(OH)2 =>
3 H2O + Cd + Ni2O3 = Cd(OH)2 + 2 Ni(OH)2
Zr(OH)4 + H2SO4 = Zr2(SO4)4 + H2O =>
2 Zr(OH)4 + 4 H2SO4 = Zr2(SO4)4 + 8 H2O
Al2(SO4)3 + CH3COONa + H2O = Na2SO4 + Al(OH)2CH3COO + CH3COOH =>
Al2(SO4)3 + 6 CH3COONa + 4 H2O = 3 Na2SO4 + 2 Al(OH)2CH3COO + 4 CH3COOH
C4 + H = C3H8 =>
3 C4 + 32 H = 4 C3H8
MgF2 + Cs = CsF + Mg =>
MgF2 + 2 Cs = 2 CsF + Mg
Y + Ni + Al = YNi2Al30 =>
Y + 2 Ni + 30 Al = YNi2Al30
HCl + Fe(NO3)3 = HCl(NO3)3 + Fe =>
HCl + Fe(NO3)3 = HCl(NO3)3 + Fe
KCl + NH3 + H2O = NH4Cl + K2O =>
2 KCl + 2 NH3 + H2O = 2 NH4Cl + K2O
KOH + LiCl = KCl + LiOH =>
KOH + LiCl = KCl + LiOH
H2SO4 + CaCl2 = CaSO4 + HCl* =>
H2SO4 + CaCl2 = CaSO4 + 2 HCl*
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Cl2 + BaI2 = I2 + BaCl2 =>
Cl2 + BaI2 = I2 + BaCl2
NaOH + K2CO3 = Na2CO3 + KOH =>
2 NaOH + K2CO3 = Na2CO3 + 2 KOH
MnO2 + KOH = K4MnO4 + H2O =>
MnO2 + 4 KOH = K4MnO4 + 2 H2O
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
K4[Fe(SCN)6] + KMnO4 + H2SO4 = K3[Fe(OCN)6] + MnSO4 + K2SO4 + H2O =>
5 K4[Fe(SCN)6] + 49 KMnO4 + 46 H2SO4 = 5 K3[Fe(OCN)6] + 49 MnSO4 + 27 K2SO4 + 46 H2O
Ba + SO4 = BaSO4 =>
Ba + SO4 = BaSO4
Zn(OH)2 + Na2(SO4) = ZnSO4 + NaOH =>
Zn(OH)2 + Na2(SO4) = ZnSO4 + 2 NaOH
KI + KIO3 + H2SO4 = I2 + K2SO4 + H2O =>
5 KI + KIO3 + 3 H2SO4 = 3 I2 + 3 K2SO4 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2O + HNO3 = NH3 + O2 =>
H2O + HNO3 = NH3 + 2 O2
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
C16H34 = C7H14 + C9H20 =>
C16H34 = C7H14 + C9H20
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
FeCl2 + Ag(OH)2 = Fe(OH)2 + AgCl2 =>
FeCl2 + Ag(OH)2 = Fe(OH)2 + AgCl2
Cu2O + C = CO2 + Cu =>
2 Cu2O + C = CO2 + 4 Cu
Mg(s) + FeCl3(aq) = Fe(s) + MgCl2(aq) =>
3 Mg(s) + 2 FeCl3(aq) = 2 Fe(s) + 3 MgCl2(aq)
Hg + H2SO4 = HgSO4 + H2 =>
Hg + H2SO4 = HgSO4 + H2
HBrCO2 = HO2CBr =>
HBrCO2 = HO2CBr
K + Ag = AgK =>
K + Ag = AgK
Zn(CH3COO)2*2H2O + NaOH = Na2[Zn(OH)4] + CH3COOH =>
Zn(CH3COO)2*2H2O + 2 NaOH = Na2[Zn(OH)4] + 2 CH3COOH
Fe2S3 + O2 = Fe2O3 + SO2 =>
2 Fe2S3 + 9 O2 = 2 Fe2O3 + 6 SO2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
C2H4O2 + Ba(OH)2 = H2O + Ba(C2H3O2)2 =>
2 C2H4O2 + Ba(OH)2 = 2 H2O + Ba(C2H3O2)2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Be + O2 = BeO2 =>
Be + O2 = BeO2
NaCl + NaCO3 = NaCO2 + NaO + Cl =>
NaCl + NaCO3 = NaCO2 + NaO + Cl
AlCu2Cl = AlCl + Cu2 = =>
AlCu2Cl = AlCl + Cu2
C3H7Cl + H2O = C3H7OH + HCl =>
C3H7Cl + H2O = C3H7OH + HCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NH4OH + P2O5 = (NH4)3PO4 + H2O =>
6 NH4OH + P2O5 = 2(NH4)3PO4 + 3 H2O
PtNO3 = Pt + NO3 =>
PtNO3 = Pt + NO3
Pb(NO3)4 + (NH4)3PO4 = Pb3(PO4)4 + NH4NO3 =>
3 Pb(NO3)4 + 4(NH4)3PO4 = Pb3(PO4)4 + 12 NH4NO3
CaPO4 + SiO2 + C = CaSiO3 + P4 + CO =>
4 CaPO4 + 4 SiO2 + 12 C = 4 CaSiO3 + P4 + 12 CO
NO2 + NaOH(hot) = NaNO2 + H2O + O2 =>
4 NO2 + 4 NaOH(hot) = 4 NaNO2 + 2 H2O + O2
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