摩尔恒压热熔（25度）

HEAT CAPACITY OF THE ELEMENTS AT 25°C This table gives the specific heat capacity (c p ) in J/g K and the molar heat capacity (C p ) in J/mol K at a temperature of 25°C and a pressure of 100 kPa (1 bar or 0.987 standard atmospheres) for all the elements for which reliable data are available. Name c p J/g K C p J/mol K Actinium 0.120 27.2 Aluminum 0.897 24.20 Antimony 0.207 25.23 Argon 0.520 20.786 Arsenic 0.329 24.64 Barium 0.204 28.07 Beryllium 1.825 16.443 Bismuth 0.122 25.52 Boron 1.026 11.087 Bromine (Br 2 ) 0.474 75.69 Cadmium 0.232 26.020 Calcium 0.647 25.929 Carbon (graphite) 0.709 8.517 Cerium 0.192 26.94 Cesium 0.242 32.210 Chlorine (Cl 2 ) 0.479 33.949 Chromium 0.449 23.35 Cobalt 0.421 24.81 Copper 0.385 24.440 Dysprosium 0.173 28.16 Erbium 0.168 28.12 Europium 0.182 27.66 Fluorine (F 2 ) 0.824 31.304 Gadolinium 0.236 37.03 Gallium 0.373 26.03 Germanium 0.320 23.222 Gold 0.129 25.418 Hafnium 0.144 25.73 Helium 5.193 20.786 Holmium 0.165 27.15 Hydrogen (H 2 ) 14.304 28.836 Indium 0.233 26.74 Iodine (I 2 ) 0.214 54.43 Iridium 0.131 25.10 Iron 0.449 25.10 Krypton 0.248 20.786 Lanthanum 0.195 27.11 Lead 0.130 26.84 Lithium 3.582 24.860 Lutetium 0.154 26.86 Magnesium 1.023 24.869 Manganese 0.479 26.32 Mercury 0.140 27.983 Name c p J/g K C p J/mol K Molybdenum 0.251 24.06 Neodymium 0.190 27.45 Neon 1.030 20.786 Nickel 0.444 26.07 Niobium 0.265 24.60 Nitrogen (N 2 ) 1.040 29.124 Osmium 0.130 24.7 Oxygen (O 2 ) 0.918 29.378 Palladium 0.246 25.98 Phosphorus (white) 0.769 23.824 Platinum 0.133 25.86 Potassium 0.757 29.600 Praseodymium 0.193 27.20 Radon 0.094 20.786 Rhenium 0.137 25.48 Rhodium 0.243 24.98 Rubidium 0.363 31.060 Ruthenium 0.238 24.06 Samarium 0.197 29.54 Scandium 0.568 25.52 Selenium 0.321 25.363 Silicon 0.712 19.99 Silver 0.235 25.350 Sodium 1.228 28.230 Strontium 0.306 26.79 Sulfur (rhombic) 0.708 22.70 Tantalum 0.140 25.36 Tellurium 0.202 25.73 Terbium 0.182 28.91 Thallium 0.129 26.32 Thorium 0.118 27.32 Thulium 0.160 27.03 Tin (white) 0.227 26.99 Titanium 0.523 25.060 Tungsten 0.132 24.27 Uranium 0.116 27.665 Vanadium 0.489 24.89 Xenon 0.158 20.786 Ytterbium 0.155 26.74 Yttrium 0.298 26.53 Zinc 0.388 25.390 Zirconium 0.278 25.36 4-127 Section4.indb 127 5/2/05 9:25:01 AM