题干
32. His composition won first prize, ______ made him too happy to sleep for nights.
A：what
B：that
C：which
D：Where
答案(点此获取答案解析）
C
A：what
B：that
C：which
D：Where
2NH3 (g) △H =" -92.0" k
J/mol，将此温度下的1 mol N2和3 mol H2放在一密闭容器中，在催化剂存在时进行反应，达到平衡时，反应放出的热量为（忽略能量损失）（ ）