氙氣Xenon的物理性質(zhì)
- 發(fā)布時間:2023-02-01
- 發(fā)布者: 本站
- 來源: 原創(chuàng)
- 閱讀量:
氙在常溫常壓下為無色無臭無毒的惰性氣體,在放電管中為藍(lán)色至綠色的氣體。
原子半徑:4.05?;
共價半徑:209pm 1.31?;
沸點(diǎn):-108.10℃(101.325kPa);
三相點(diǎn):16.130K;
氣體密度:5.89kg/m3(273.15K,101.325kPa)
液體密度:3057kg/m3(108.10℃,101.325kPa);
氣液體積比:518.9;
介電常數(shù):1.001238(298K,101.325kPa);
磁化率:-43×10-1cgs·mol-1(298K,101.325kPa);
折射率:1.000702(g,273K,101.325kPa,5893A);
比容:0.180m3·kg-1(294.3K,101.325kPa);
臨界溫度:289.74K;
臨界壓力:5764kPa;
臨界密度:1100.0kg·m-3;
熔化熱:17.49kJ·kg-1(161.4K,81.6kPa);
氣化熱:96.30KJ·kg-1(165.1K,101.325kPa);
比熱容:cp=160.03J/(kg·K)(g,298K,101.325kPa);cV=96.41J/(kg·K)(g,298K,101.325kPa);
比熱比:cp/cV=1.67(g,298K,101.325kPa)
蒸氣壓:2634kPa(253K);4175kPa(273K);5147kPa(283K);
粘度:0.02110mPa·S(g,273K,101.325kPa);0.528mPa·S(l,289.74K);
表面張力:18.7mN·m-1(163K);
導(dǎo)熱系數(shù):0.005192W·m-1·K-1(273K,101.325kPa);165.014kh,0.07322W·m-1·K-1