- 问题详情:有五个系列同族元素的物质,101.3kP时测定它们的沸点(℃)如下表所示:①He -268.8(a) -249.5Ar -185.8Kr 151.7②F2 -187.0Cl2 -33.6(b) 58.7I2 184.0③(c) 19.4HCl -84.0HBr -67.0HI -35.3④H2O 100.0H2S -60.0(d) -42.0H2Te -1.8⑤CH4 -161.0SiH4 -112.0G...
- 6551
- 问题详情:有五个系列同族元素的物质,101.3kP时测定它们的沸点(℃)如下表所示:①He-268.8(a)-249.5Ar-185.8Kr151.7②F2-187.0Cl2-33.6(b)58.7I2184.0③(c)19.4HCl-84.0HBr-67.0HI-35.3④H2O100.0H2S-60.0(d)-42.0H2Te-1.8⑤CH4-161.0SiH4-112.0GeH4-90.0(e)-52.0对应表中内容,下列叙述中正...
- 27726