皮皮学,免费搜题
登录
搜题
【多选题】
总压为101.3kPa、100C时苯和甲苯的饱和蒸汽压分别是179.18kPa和74.53kPa,求平衡时: (1)苯的液相组成(以mol%表示,下同)( ); (2)苯的气相组成( ); (3)甲苯的液相组成( ); (4)苯与甲苯的相对挥发度为( )。
A.
0.3028
B.
0.2558
C.
0.6972
D.
0.4597
E.
0.7442
F.
1.36
G.
2.41
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】A公司资料如下: 资料一:甲、乙两只股票的收益率分别为8%、10%。市场组合的收益率为12%,市场组合的标准差为0.6%,无风险收益率为5%,假设市场达到均衡。 资料二:A公司持有的股票预计未来两年每股股利与当前一致为0.5元,预计从第3年起股利逐年增长率为2%,A股票的β系数为2。目前国债利率为4%,市场平均收益率7%。 资料三:A公司A材料年需用量为48 000公斤,年单位储存成本8元,每次进...
【单选题】I longed to have the opportunity of ( ) the panel discussion to state my view.
A.
participating in
B.
attend
C.
taking part
D.
join in
【简答题】As a boy growing up in India,I had longed to travel abroad. I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s,with great interest. My bi...
【单选题】在SQL Server 中,字符串常量使用 作为定界符
A.
单引号
B.
双引号
C.
方括号
D.
花括号
【判断题】自动变速器前进档的数目越多,行星齿轮机构中的离合器、制动器、及单向离合器的数目就越多。
A.
正确
B.
错误
【单选题】在SQL Server中,字符串常量一般使用()作为定界符。
A.
单引号
B.
双引号
C.
方括号
D.
花括号
【判断题】Muscle cells are specialized to initiate and conduct electric signals, often over long distances.
A.
正确
B.
错误
【简答题】阅读理解 As a boy growing up in India,I had longed to travel abroad.I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s,with great interest. M...
【简答题】阅读理解 As a boy growing up in India, I had longed to travel abroad.I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s, with great interest....
【简答题】阅读理解 As a boy growing up in India,I had longed to travel abroad.I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s,with great interest. M...
相关题目: