已知四氧化二氮的分解反应 在 298.15 K 时 , 。试判断在此温度及下列条件下,反应进行的方向。 ( 1 ) N 2 O 4 (100 kPa), NO 2 (1000 kPa); ( 2 ) N 2 O 4 (1000 kPa), NO 2 (100 kPa); ( 3 ) N 2 O 4 (300 kPa), NO 2 (200 kPa);
【简答题】You are required to write a composition in no less than 220 words. You should write recording to the outline given below. 1. Some people say that the recent increased enrollment of university students...
【单选题】But don’t think there is nothing else you can do _____ the interview is over. You should write to the company to thank them for giving you the interview.