【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
某学生实验小组用50mL0.50mol?L-1的盐酸与50mL0.50mol?L-1的NaOH溶液在图所示的装置中进行中和反应反应热的测定.
(1)图中装置缺少一种仪器,该仪器名称为______.
(2)下列说法正确的是______.
某学生实验小组用50mL0.50mol?L-1的盐酸与50mL0.50mol?L-1的NaOH溶液在图所示的装置中进行中和反应反应热的测定.
(1)图中装置缺少一种仪器,该仪器名称为______.
(2)下列说法正确的是______.
A.小烧杯内残留有水,会使测得的反应热数值偏小
B.酸、碱混合时,应把量筒中的溶液缓缓倒入烧杯的溶液中,以防液体外溅
C.烧杯间填满碎纸条的作用是固定小烧杯
D.可用相同浓度和体积的硝酸代替稀盐酸溶液进行实验.
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