tablas de termodinamicas, Apuntes de Fisicoquímica

¡Descarga tablas de termodinamicas y más Apuntes en PDF de Fisicoquímica solo en Docsity! Thermodynamic Data for Selected Elements and Inorganic Compounds at 1 bar and 298 Ka Substance Δf –H°/kJ mol–1 Δf –G°/kJ mol–1 –S°/J K–1 mol–1 –C°p/J K–1 mol–1 Ag^sh 0 0 42.7 25.4 Ag+^aqh 105.9 77.1 72.68 — AgCl^sh 2127.0 2109.8 96.2 56.8 AgBr^sh 2100.4 296.9 107.1 52.38 AgI^sh 261.8 266.3 115.5 54.43 AgNO3^sh 2124.4 233.41 140.9 93.05 Al^sh 0 0 28.32 24.34 Al3+^aqh 2524.7 2485 2313 — AlCl3^sh 2704.2 2628.8 110.67 91.84 Al2O3^sh 21675.7 21582.3 50.9 78.99 Ar^gh 0 0 154.8 20.79 Ba^sh 0 0 62.5 28.1 Ba2+^aqh 2537.6 2560.8 10 — BaCl2^sh 2858.6 2810.9 123.7 75.31 BaO^sh 2548.0 2520.3 72.1 47.3 BaSO4^sh 21473.2 21362.2 132.2 101.8 BaCO3^sh 21213.2 21134.4 112.1 86.0 Br2 l̂h 0 0 152.2 75.69 Br2^gh 30.9 3.1 245.5 36.0 a Data are mostly from The NBS Tables of Chemical Thermodynamic Properties, D. O. Wagman et al., J. Phys. Chem. Ref. Data 11, Supplement No. 2 1̂982h. The values for ions in aqueous solution 1̂ Mh, such as Li+^aqh, are based on the convention that all the properties listed for H+^aqh are equal to zero. A P P E N D I X B Thermodynamic Data 917 918 Appendix B: Thermodynamic Data Substance Δf –H°/kJ mol–1 Δf –G°/kJ mol–1 –S°/J K–1 mol–1 –C°p/J K–1 mol–1 Br^gh 111.7 82.4 175.0 20.8 Br−^aqh 2121.6 2104.0 82.4 — HBr^gh 236.4 253.4 198.7 29.12 C^graphiteh 0 0 5.7 8.52 C^diamondh 1.90 2.87 2.4 6.11 CO^gh 2110.5 2137.3 197.9 29.14 CO2^gh 2393.5 2394.4 213.6 37.1 CO2^aqh 2413.8 2386.0 121 — CO3 2−^aqh 2677.1 2527.8 256.9 — HCO− 3^aqh 2692.0 2586.8 91.2 — H2CO3^aqh 2698.7 2623.1 191 — HCN^gh 135.1 124.7 201.8 35.9 CN−^aqh 151.6 172.4 94.1 — Ca^sh 0 0 41.6 25.9 Ca2+^aqh 2542.8 2553.6 253.1 — CaO^sh 2635.6 2604.2 39.8 42.8 Ca^OHh2^sh 2986.6 2896.8 83.4 84.52 CaCl2^sh 2795.8 2748.1 104.6 72.63 CaCO3^calciteh 21206.9 21128.8 92.9 83.5 Cl2^gh 0 0 223.0 33.93 Cl^gh 121.4 105.3 165.2 21.8 Cl−^aqh 2167.2 2131.2 56.5 — HCl^gh 292.3 295.3 186.5 29.12 Cr^sh 0 0 23.77 23.35 Cr2O3^sh 21139.7 21058.1 81.2 118.74 CrO4 2−^aqh 2881.2 2727.8 50.2 — Cr2O7 2−^aqh 21490.3 21301.1 261.9 — Cu^sh 0 0 33.15 24.47 Cu+^aqh 51.9 50.2 226 — Cu2+^aqh 64.8 65.5 299.6 — Cu2O^sh 2168.6 2146.0 93.14 63.6 CuO^sh 2157.3 2129.7 42.63 44.35 921Appendix B: Thermodynamic Data Substance Δf –H°/kJ mol–1 Δf –G°/kJ mol–1 –S°/J K–1 mol–1 –C°p/J K–1 mol–1 NaOH^sh 2425.6 2379.5 64.46 59.54 Ne^gh 0 0 146.3 20.79 O2^gh 0 0 205.0 29.4 O3^gh 142.7 163.4 237.7 38.2 O^gh 249.4 231.7 161.0 21.9 P^whiteh 0 0 41.1 23.22 P^redh 218.4 12.1 29.3 21.2 PO4 3−^aqh 21277.4 21018.7 2221.8 — P4O10^sh 22984.0 22697.0 228.86 211.7 PCl3^gh 2287.0 2267.8 311.78 71.84 PCl5^gh 2374.9 2305.0 364.6 112.8 PH3^gh 5.4 13.5 210.2 37.1 S^rhombich 0 0 31.88 22.59 S^monoclinich 0.30 0.10 32.55 23.64 SO2^gh 2296.1 2300.1 248.5 39.79 SO3^gh 2395.2 2370.4 256.2 50.63 SO4 2−^aqh 2909.3 2744.5 20.1 — H2S^gh 220.63 233.56 205.8 33.97 H2SO4 l̂h 2814.0 2690.0 156.9 — H2SO4^aqh 2909.27 2744.53 20.1 — SF6^gh 21209 21105.3 291.8 97.3 Si^sh 0 0 18.83 19.87 SiO2^sh 2910.9 2856.6 41.84 44.43 Xe^gh 0 0 169.6 20.79 Zn^sh 0 0 41.63 25.06 Zn2+^aqh 2153.9 2147.1 2112.1 — ZnO^sh 2348.3 2318.3 43.64 40.25 ZnS^sh 2202.9 2198.3 57.74 45.19 ZnSO4 2978.6 2871.6 124.9 117.2 922 Appendix B: Thermodynamic Data Thermodynamic Data for Selected Organic Compounds at 1 bar and 298 Ka Compound State Δf –H°/kJ mol–1 Δf –G°/kJ mol–1 –S°/J K–1 mol–1 Acetic acid ^CH3COOHh l 2484.2 2389.9 159.8 aq 2485.8 2396.5 178.7 Acetaldehyde ^CH3CHOh l 2192.3 2128.1 160.2 Acetone ^CH3COCH3h l 2248.1 2155.4 200.4 Acetylene ^C2H2h g 226.6 209.2 200.8 Benzene ^C6H6h l 49.04 124.5 172.8 g 82.93 129.7 269.3 Benzoic acid ^C6H5COOHh s 2385.1 2245.3 167.6 Ethanol ^C2H5OHh l 2277.0 2174.2 161.0 Ethane ^C2H6h g 284.7 232.9 229.5 Ethylene ^C2H4h g 52.3 68.12 219.5 Formic acid ^HCOOHh l 2424.7 2361.4 129.0 Glucose ^C6H12O6h s 21274.5 2910.6 210.3 Methane ^CH4h g 274.85 250.79 186.2 Methanol ^CH3OHh l 2238.7 2166.3 126.8 Propane ^C3H8h g 2103.8 223.5 269.9 2-Propanol ^C3H7OHh l 2317.9 2180.3 180.6 Sucrose ^Cl12H22O11h s 22221.7 21544.3 360.2 Urea 6^NH2h2CO@ s 2333.5 2197.3 104.6 a Data are mostly from The NBS Tables of Chemical Thermodynamic Properties, D. O. Wagman et al., J. Phys. Chem. Ref. Data 11, Supplement No. 2 1̂982h. The concentration of all solutions is 1 M.