【单选题】标准氢电极是
A.
Pt,H 2 ( p 标准 )│ OH - ( a OH - = 1)
B.
Pt,H 2 ( p 标准 )│ OH - ( a OH - = 10 -7 )
C.
Pt,H 2 ( p 标准 )│ H+ ( a H+ = 10 -7 )
D.
Pt,H 2 ( p 标准 )│ H+ ( a H+ = 1)
【简答题】Video watching, imitating & recording: Mission: Impossible -- Fallout (Alana Mitsopolis’s opening speech at the auction -- 1.5 mins.) Assignment-2.mp4 You are required to watch the video and try to im...
【单选题】化合物 2,3- 二甲基戊烷的不同构象用 C2-C3 键为标准,能量最小的是 ( )
【简答题】利用上题中的三张表,检索选修课程“C2”的学生中成绩最高的学生的学号。正确的SELECT语句是(10.0分)A. SELECT S# FORM SC WHERE C#=“C2” AND GRAD>= (SELECT GRADE FORM SC WHERE C#=“C2”) B. SELECT S# FORM SC WHERE C#=“C2” AND ...
【单选题】标准氢电极是:
A.
Pt , H 2 ( p Ө )│OH - ( a OH - =1)
B.
Pt , H 2 ( p Ө )│OH ( a OH - =10 -7 )
C.
Pt , H 2 ( p Ө )│H + ( a H + =10 -7 )
D.
Pt , H 2 ( p Ө )│H + ( a H + = 1)