下列有关反应热的说法中正确的是A.一个化学反应是否能在常温下发

下列有关反应热的说法中正确的是
A.
一个化学反应是否能在常温下发生与该反反应的△H值的大小没有必然联系
B.
中和热△H=57.3kJmol1,所以,1.00L 1.00molL1H2SO4与稀的NaOH溶液恰好完全反应放出57.3kJ的热量
C.
用等体积的0.50molL1盐酸、0.55molL1NaOH溶液进行中和热测定的实验,会使测得的值偏大
D.
101KPa时,1molCH4完全燃烧生成CO2和水蒸气放出的热量就是CH4的燃烧热

答案

A

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