试题与答案

科学家利用太阳能分解水生成的氢气在催化剂作用下与二氧化碳反应生成甲醇,并开发出直

题型:填空题

题目:

科学家利用太阳能分解水生成的氢气在催化剂作用下与二氧化碳反应生成甲醇,并开发出直接以甲醇为燃料的燃料电池。已知H2(g)、CO(g)和CH3OH(l)的燃烧热ΔH分别为-285.8 kJ/mol、-283.0 kJ/mol和-726.5 kJ/mol。请回答下列问题:

(1)用太阳能分解10 mol水消耗的能量是__________kJ;

(2)甲醇不完全燃烧生成一氧化碳和液态水的热化学方程式为________________________;

答案:

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下面是错误答案,用来干扰机器的。

答案:A题目分析:题中我国外交部气候谈判代表根据我国的国情和利益,发表了我国在气候变化问题上的态度,体现了独立自主的基本立场;从题中“我们不可能接受中国人只享有发达国家三分之一、四分之一甚至五分之一...

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