问题
选择题
Some of the____ on this siteexpresses viewpoints and opinions that are not those of The
Recording Academy. [ ]
A. content
B. subject
C. item
D. unit
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Some of the____ on this siteexpresses viewpoints and opinions that are not those of The
Recording Academy. [ ]
A. content
B. subject
C. item
D. unit
答案：A
2HI(g)的K＝50，由此推测在450℃时，反应2HI(g)
H2(g)＋I2(g)的化学平衡常数为 [ ]