Standard Enthalpy of Formation* for Various …

1 Standard Enthalpy of formation * for Various Compounds Compound H f (kJ/mol) Compound H f (kJ/mol) Compound H f (kJ/mol) Compound H f (kJ/mol) Ag2O(s) C2H5OH(l) HCl(g) NH4Cl(s) Ag2S(s) C2H6(g) HF(g) NH4NO3(s) AgBr(s) C3H8(g) HgO(s) NiO(s) AgCl(s) n-C4H10(g) HgS(s) NO(g) + AgI(s) n-C5H12(l) HI(g) + NO2(g) + Al2O3(s) CO(g) HNO3(l) Pb3O4(s) BaCl2(s) CO2(g) KBr(s) PbBr2(s) BaCO3(s) CoO(s) KCl(s) PbCl2(s) BaO(s) Cr2O3(s) KClO3(s) PbO(s) BaSO4(s) Cu2O(s) KF(s) PbO2(s) Ca(OH)2(s) CuO(s) Mg(OH)2(s) PCl3(g) CaCl2(s) CuS(s) MgCl2(s) PCl5(g) CaCO3(s) CuSO4(s) MgCO3(s) 1113 SiO2(s) CaO(s) Fe2O3(s) MgO(s) SnCl2(s) CaSO4(s) Fe3O4(s) MgSO4(s) SnCl4(l) CCl4(l) H2O(g) MnO(s) SnO(s) CH3OH(l) H2O(l) MnO2(s) SnO2(s) CH4(g) H2O2(l) NaCl(s) SO2(g) CHCl3(l) H2S(g) NaF(s) SO3(g) C2H2(g) + H2SO4(l) NaOH(s) ZnO(s) C2H4(g) + HBr(g) NH3(g) ZnS(s) * All Standard Enthalpy values are at 25 C and 1 atmosphere of pressure.

2 Standard Enthalpy of formation * for Atomic and Molecular Ions Cations H f (kJ/mol) Cations H f (kJ/mol) Anions H f (kJ/mol) Anions H f (kJ/mol) Ag+(aq) + K+(aq) Br (aq) H2PO4 (aq) Al3+(aq) Li+(aq) Cl (aq) HPO42 (aq) Ba2+(aq) Mg2+(aq) ClO3 (aq) I (aq) Ca2+(aq) Mn2+(aq) ClO4 (aq) MnO4 (aq) Cd2+(aq) Na+(aq) CO32 (aq) NO3 (aq) Cu2+(aq) + NH4+(aq) CrO42 (aq) OH (aq) Fe2+(aq) Ni2+(aq) F (aq) PO43 (aq) Fe3+(aq) Pb2+(aq) + HCO3 (aq) S2 (aq) + H+(aq) Sn2+(aq) SO42 (aq) Zn2+(aq) * All Standard Enthalpy values are at 25 C, 1 molar concentration, and 1 atmosphere of pressure.

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