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结合如下实验回答有关问题实验目的是探究温度对分子运动速率的影响①“？”处应填写的内容是 ②通过该实验能得出的实验结论有 A．分子是不断运动的 B．分子由原子构成C．分子之间有间隔 D．温度越...
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探究实验展示了化学的无穷魅力以下是某兴趣小组的探究过程提出问题小亮想探究分子的运动速率与相对分子质量
结合如下实验回答有关问题.1A.是探究人体呼出气体中CO2含量比空气中的高本实验条件除了要控制两个盛
下列对分子原子离子认识正确的是
原子是最小的粒子，不可再分
温度越高，分子运动的速率越快
离子不能直接构成物质
固体难被压缩，因为固体分子较大
某兴趣小组做以下实验探究分子的运动请回答实验中的有关问题1实验Ⅰ在盛有少量蒸馏水的小烧杯中滴入2～3
某探究小组在学习分子知识后拟开展实验验证①分子是不断运动②温度越高分子运动越快.该小组想实验老师要来
对分子原子的认识正确的是
原子是最小的粒子，不可再分
温度越高，分子运动速率越快
原子不能直接构成物质
固体难压缩，说明固体分子间无间隔
结合下列图示的实验回答有关问题1实验A.的目的是探究可燃物的2实验B.中的现象说明分子是在不断运动的
下列实验不能达到实验目的是
探究水的组成
探究化学反应是否遵守质量守恒定律
探究分子运动
探究二氧化锰能否加快过氧化氢分解
下列对分子原子离子的认识正确的是
原子是最小的粒子，不可再分
温度越高，分子运动速率越快
离子不能直接构成物质
固体难压缩，说明固体分子间无间
建立分子运动论的实验基础是＿＿＿＿＿＿与＿＿＿＿＿＿按照分子运动论的观点热现象是＿＿＿＿＿＿无规则运
某兴趣小组做以下实验探究分子的运动请回答实验中的有关问题1实验Ⅰ在盛有少量蒸馏水的小烧杯中滴入2～3
如图是氢分子和氧分子运动的示意图1在A.B和C中能比较得出温度越高分子运动速率越快的是_______
结合如下实验回答有关问题.1A是探究人体呼出气体中CO2含量比空气中的高本实验条件除了要控制两个盛装
某探究小组在学习分子知识后拟开展实验验证①分子是不断运动②温度越高分子运动越快该小组想实验老师要来了
阅读下列三段材料根据要求完成任务 材料一义务教育化学课程标准2011年版关于分子与原子内容
下列对分子原子的认识正确的是
分子一定比原子大
温度越高，分子运动速率越快
离子不能直接构成物质
原子是最小的粒子
某兴趣小组做以下实验探究分子的运动请回答实验中的有关问题1实验Ⅰ在盛有少量蒸馏水的小烧杯中滴入2～3
某兴趣小组做以下实验探究分子的运动请回答实验中的有关问题1实验Ⅰ在盛有少量蒸馏水的小烧杯中滴入2～3
探究实验展示了化学的无穷魅力以下是某兴趣小组的探究过程提出问题小亮想探究分子的运动速率与相对分子质量
将品红滴入热水和冷水中实验现象如下表所示依据此实验现象下列解释中不正确的是
分子是由原子构成的
分子间有间隔
分子总是在不停的运动着
温度升高，分子运动速率加快
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