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1、名师精编优秀教案月田镇中心学校20XX年上学期九 年级 化学 科导学案教出时间:年月日学习内容第九单元:溶液课题二:溶解度(第一课时)导学案设计:许求学习过程学习目标1能根据实验现象区分物质的溶解情况,知道物质不能无限制的溶解在一定量的水里。2能通过思考、分析得出饱和溶液与不饱和溶液的概念。学习重点饱和溶液与不饱和溶液的区分学习难点概念的生成学习过程一、知识链接:在探究溶液的形成时,我们发现:不同溶质在同一种溶剂里,溶解性不同;同种溶质在不同种溶剂里,溶解性也不相同。这时,我想问同学们的是:既然有的物质在水里不溶解,而有的又能溶解,那么,能在水中溶解的是不是能无限制的溶解呢?请你们猜想。二、验
2、证猜想:1、取 20ml 水加入到烧杯中操作加入 5g 氯化钠,搅拌再加 5g 氯化钠,搅拌再加 5ml 水,搅拌现象溶解氯化钠部分溶解剩余氯化钠溶解判断名师精编优秀教案结论2、用硝酸钾代替氯化钠进行下面实验操作现象判断结论加入 5g 硝酸钾,搅拌硝酸钾逐渐溶解再加 5g 硝酸钾,搅拌硝酸钾部分溶解加热剩余硝酸钾溶解再加 5g 硝酸钾,搅拌硝酸钾固体有剩余冷却剩余的硝酸钾固体增多3、结合实验现象,你得出什么结论?4、通过结论你能否理解饱和溶液与不饱和溶液的概念?如能理解,那你能否确定上述实验中的饱和溶液与不饱和溶液?5、追问:你再思考上述试验中饱和溶液与不饱和溶液可否相互转化?6、这种转化与什
3、么因素有关?(温馨提示:氯化钠不饱和溶液与饱和溶液的转化与什么因素有关;硝酸钾不饱和溶液与饱和溶液的转化与什么因素有关;然后再读懂 P35 的转化图示)反思月田镇中心学校20XX年上学期九 年级 化学 科导文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR1
4、0G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3
5、U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:
6、CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6
7、V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 Z
8、X1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E
9、10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1
10、 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10名师精编优秀教案学案教出时间:年月日学习内容第九单元:溶液课题二:溶解度(第二课时)导学案设计:许求学习过程学习目标1在上节课的基础上生成溶解度的概念,再通过生活中的实例验证、灵活掌握。2能从溶解度曲线图中获取相关的信息。3知道影响气体溶解性的因素。学习重点固体物质溶解度的涵义学习难点利用溶解度曲线获得相关信息学习过程一、我会回答:1、溶液中有哪两部分?2、饱和溶液与
11、不饱和溶液的形成与什么因素有关?二、学法指导:在室温时,水中最多能溶解硝酸钾与氯化钠的质量相近,但当温度升高时,水中溶解的硝酸钾的质量比氯化钠大得多。也就是说,当水的质量一定时即溶剂的质量一定时,温度升高,硝酸钾的溶解质量增加,溶解能力增强。根据这个推断,请你来琢磨一下溶解度的概念P36。三、重点点拨:1、理解溶解度概念的四要素:、条件:文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V
12、10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX
13、1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E1
14、0E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1
15、HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y
16、9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档
17、编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y
18、1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10名师精编优秀教案、标准:、状态:、单位:2、讨论“20时,氯化钠的溶解度是36g”的含义,分析其中溶质、溶剂、溶液三者之间的关系:温度:溶质:溶剂:溶液:3、随堂检测:、20时,100g 水中最多能溶解 36g 食盐,则下列说法正确的是
19、()A食盐的溶解度是36g B.20时食盐的溶解度是36g C食盐的溶解度是100g D.食盐的溶解度是 136g、在 60时 50 克水中溶解 55 克硝酸钾就刚好饱和。下列说法正确的是()A硝酸钾的溶解度是55g B.60时硝酸钾的溶解度是55g C硝酸钾的溶解度是110g D.60 时硝酸钾的溶解度是110g 4、深化概念:由分析可知,影响固体物质溶解度的主要因素有:内因(溶质、溶剂的性质)、外因(温度)。四、难点突破:1、过渡:当溶质和溶剂固定,物质的溶解度随温度变化而变化,可知溶解度是温度的函数。反思文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V
20、10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX
21、1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E1
22、0E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1
23、HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y
24、9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档
25、编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10文档编码:CM10Y9D3U9C1 HR10G2E10E6P1 ZX1X2Y1K6V10
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