天气预报 > 其他 > 为什么砷的沸点比熔点低
为什么砷的沸点比熔点低
更新时间: 2020-09-23 00:00:00  

因为砷加热到613摄氏度,便可不经液态直接升华,成为蒸气。砷蒸气具有一股难闻的大蒜臭味。单质砷在溶化之前就已经达到了饱和蒸汽压。只有外界施加压力,达到饱和蒸汽压,才有可能液化,所以砷的沸点比熔点低。砷元素广泛的存在于自然界,共有数百种的砷矿物是已被发现。砷与其化合物被运用在农药、除草剂、杀虫剂,与许多种的合金中。

关键词: 为什么 沸点 熔点

为什么砷的沸点比熔点低相关经验

天气预报

最新推荐

页面:/news/view-2970175/ | 耗时:1.0035 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2970175 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2970175 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2970175 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1051917,1090843,1089162,1104941,1044745,1108496,1078380,1097635,1103287,1095928,1094633,1074880,1085764,1108640,1106048,1082954,1111722,1068900,1129585,1085824,1089237,1096338,1100583,1074923,1068262,1093152,1077621,1091625,1098521,1071481) ORDER BY field (ArticleID,1051917,1090843,1089162,1104941,1044745,1108496,1078380,1097635,1103287,1095928,1094633,1074880,1085764,1108640,1106048,1082954,1111722,1068900,1129585,1085824,1089237,1096338,1100583,1074923,1068262,1093152,1077621,1091625,1098521,1071481)