可用于治疗心原性哮喘的药物有:
A.肾上腺素
B.强心苷
C.哌替啶
D.吗啡
E.氨茶碱
参考答案:B, C, D, E
红磷P(s)和Cl2(g)发生反应生成PCl3(g)和PCl5(g)。反应过程和能量关系如图所示(图中的△H表示生成1mol产物的数据)。
根据上图回答下列问题:
(1)P和Cl2反应生成PCl3的热化学方程式是__________ ;
(2)P和Cl2分两步反应生成1 mol PCl5的△H 3= _____________;
(3)PCl5与足量水充分反应,最终生成两种酸,其化学方程式是____________ 。
George Soros, CFA, is a private lender in a local bank. Soros will lend money at a stated annual rate of 10% and compounded continuously. The principal and interest are paid at the end of the loan term. If Soros will lend€20000000 for 200 days, based on 365 days in a year, the amount due at the end of the loan term is closest to:()
A. ¥21095890
B. ¥21126471
C. ¥21142555