题干

请认真观察如图,然后回答问题:

(1)图中所示反应是____ (填“吸热”或“放热”)反应,该反应的△H=____ KJ/mol(用含E1、E2的代数式表示).

(2)下列4个反应中,符合示意图描述的反应的是____ 

a.盐酸与NaOH反应    b.Na与H2O反应生成H2

c.铝热反应           d.灼热的碳与CO2反应

(3)途径(Ⅱ)与途径(Ⅰ)相比改变的措施可能是____ 

上一题 下一题 0.0难度 选择题 更新时间:2013-03-30 11:23:07

答案(点此获取答案解析)

放热,(E2﹣E1),C,加入催化剂

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