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【教师备课】高中化学必修一导学案:42 硝酸的性质(苏教版)
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  • 资源类别学案
    资源子类同步学案
  • 教材版本苏教版(现行教材)
    所属学科高中化学
  • 适用年级高一年级
    适用地区全国通用
  • 文件大小1560 K
    上传用户rongerkl
  • 更新时间2014/9/15 16:12:53
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资源简介
专题四第二单元  硝酸的性质      42
【学习目标】
1.了解硝酸的物理性质和重要用途;2.掌握硝酸的化学性质——不稳定性和强氧化性;
3.知道工业上氨氧化法制硝酸的反应原理;
【重、难点】1.硝酸的特性——不稳定性和氧化性;2.氨氧化法制硝酸的反应原理。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
探究案
[引入]试分析下列转变关系中氮元素的化合价变化。
NH3→NO→NO2→HNO3
[过渡] 氮元素处于最高价态的硝酸是硝酸型酸雨的有害成分之一,但它在工农业生产中的用途也是非常广泛的。
 [观察与思考]打开一瓶浓硝酸的瓶盖,闻其气味,观察其挥发现象。
一、硝酸的物理性质
硝酸是     色、有     气味的液体,易溶于水,低沸点(83℃),      挥发。常用硝酸密度为 1.503g/cm3浓度为69%15.6mol/L
二、硝酸化学性质
1. 硝酸具有酸的通性:一元强酸 HNO3 =                 
[讨论]久置浓硝酸为什么呈黄色?
 2. 硝酸的不稳定性:
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