【单选题】298K 时, A 、 B 两种气体在水中的亨利常数分别为 k A 和 k B ,且 k A > k B ,则当 P A = P B 时, A 、 B 在水中的溶解量 C A 和 C B 的关系为
【简答题】298K时,A和B两种气体溶解在某种溶剂中的亨利系数分别为k A 和k B ,且k A >k B 。当气相中两气体的分压p A = p B 时,则在1 mol该溶剂中溶解的A的物质的量____B的物质的量。
【单选题】Which was wrong about the Civil War?( )
A.
America was kept as one country.
B.
Slavery was abolished.
C.
After the Battle of Gettysburg, the North started to win.
D.
The South was strong in 'hard power'.
【单选题】After the slavery was ended, two major types of music developed from Negroes' work songs.
【单选题】Slavery was ( ) in Canada in 1833,and Canadian authorities encouraged the slaves,who escaped from America,to settle on its vast virgin land.
【单选题】298K时A和B两种气体在某一溶剂中溶解的享利系数分别为kA和kB,且知kA>kB,则当A和B压力相同时,在该溶剂中所溶解的量是 ( )
【判断题】连锁企业在进行组织结构设计时,首先要根据企业的内外环境科学地制定企业的总体战略目标及各具体目标。
【简答题】A.Slavery was abolished. B.The Union was split and the Civil War began. C.The United States of America was founded. D.He was shot to death.
【单选题】在298 K时,A和B两种气体在某一溶剂中溶解的亨利常数分别为k A 和k B ,且知k A >k B ,则当A和B的压力(平衡时)相同时,在该溶剂中所溶解量是( )。
【单选题】在298K,A和B两种气体单独在某一溶剂中溶解,遵守亨利定律,亨利常数分别为kA和kB,且kA>kB,则当A和B压力(平衡)相同时,在一定量的该溶剂中溶解的关系为: