问题 选择题 读句子，想想句子描述的是谁，将序号填在括号里。( ) 1. My friend has a big nose, a big mouth and two small eyes. A. ( ) 2. My friend likes sports.B. ( ) 3. My friend has long hair, two big eyes and a small nose. C. ( ) 4. My friend has short hair. He likes painting. D. ( ) 5. My friend has long hair. She likes music. E. 答案 1-5 C D E A B
2HI(g) △H<0。有相同容积的定容密封容器甲和乙，甲中加入H2和I2各0.1 mol，乙中加入HI 0.2mol，相同温度下分别达到平衡。欲使甲中HI的平衡浓度大于乙中HI的平衡浓度，应采取的措施是 [ ]