如图所示u形管内装有水银开始时两管都和大气相通两管液面相等现保持右管和大气相通左管和乙密闭容器相连这时两管液面的高度差为10cm Sketch Coloring Page

如图所示u形管内装有水银开始时两管都和大气相通两管液面相等现保持右管和大气相通左管和乙密闭容器相连这时两管液面的高度差为10cm Template

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tomski如图所示u形管内装有水银开始时两管都和大气相通两管液面相等现保持右管和大气相通左管和乙密闭容器相连这时两管液面的高度差为10cm coloring

例5 如图所示粗细均匀的U形管内装有总长为4L的水开始时阀门K闭合左右支管内水面高度差为L打开阀门K后左右水面刚好相平时左管液面 sketch template

如图所示小试管中装有石灰石滴管内装有稀盐酸U形管内盛有食用菜籽油．反应前U形管两侧的液面持平．把滴管内的稀盐酸滴入小试管中石灰石和稀 sketch template

如图所示U形管内装有水银开始时两管都和大气相通两管液面相等现保持右管和大气相通左管和乙密闭容器相连这时两管液面的高度差为10cm sketch template

小致同学用下列器材探究“液体内部压强的特点”。（1）他�图甲的U形管内注入适量的红墨水，红墨水静止时，U形管两侧液面高度（选填“相同”或“不 sketch template

如图所示在U形管中先注入水待水静止后�U形管左管中注入比水�的水银则两侧液面静止后 A．左管中水银液面高B．右管中水面高C．左右两 sketch template

如图所示一个粗细均匀的U形管内装有同种液体液体质量为m．在管口右端用盖板A密闭两边液面高度差为hU形管内液体的总长度为4h现拿去盖板 sketch template

例5 如图所示粗细均匀的U形管内装有总长为4L的水开始时阀门K闭合左右支管内水面高度差为L打开阀门K后左右水面刚好相平时左管液面 sketch template

题目小明利用图甲乙丙所示的器材探究液体内部压强的特点1他�图甲中的U形管内注入适量的蓝墨水当管内的蓝墨水静止时U形管左右两侧液面 sketch template

如图所示在密闭容器上装有U形水银测压计其中1、2、3点位于同一水平面上其压强关系为 自考生� sketch template

如图3所示U形管内盛有液体两臂垂直于地面若U形管绕左臂的轴线转动则左右两臂液面高度相比较有 A右臂液面高 B左臂液面高 C sketch template

题目用如图所示的实验装置来测量液体的密度将一个带有阀门的三通U形管倒置在两个装有液体的容器中用抽气机对U形管�外抽气再关闭阀门K sketch template

如右图所示分别�试管内加入下列各物质时 能使U形管右侧管内液面显�升高的是 A．硝酸铵 B．稀硫酸 C．浓盐酸 D．生石灰——青夏教育精英 sketch template

如图两个U形管都是一端封闭一端开口的并且管内部都有一定量的水银且h1=750mmh2=760mmA为真空其中图 所示的装置可以测出 sketch template

如图所示的装置上方为一个粗细不均匀的两头开口的玻璃管管下连通一个装有红墨水的U形管AB．当用吹风机�玻璃管中吹风时B管液面上升上升这是 sketch template

小明用如图甲所示的微小压强计探究液体内部的压强与哪些因素有关探头自然放置时U形管中两侧液面等高．在此实验中1通过比较U形管内两侧液面 sketch template

百度教育 sketch template

如图所示的仪器叫U形管压强计U形管压强计它可以通过两管中液面的高度差高度差来表示橡皮膜所受的压强大小．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示两端开口的U形管左侧直管中有一部分空气被一段水银柱与外界隔开若在左管中再缓慢注入一些水银平衡后则A．两侧水银面AB高度差h变 sketch template

如图所示在玻璃燃烧匙中盛有一定量硫粉�属丝用于加热球形容器内充满氧气U形管内盛液态汞．反应前两侧液面持平．给�属丝通电加热使硫与 sketch template

如图所示锥形瓶内盛有物质Y分液漏斗内盛有液体XU型管内盛有红墨水．开始时ab处于同一水平线当把X滴入锥形瓶内时请你回答下列问题 sketch template

如图甲所示是演示“流体压强与流速的关系”的实验装置，U形管中装有水，直径相同的a、b两管中的水静止时液面相平。1如果在右端c处往装置里急吹 sketch template

气体等容变化的应用知乎 sketch template

题目小�同学利用如图所示的器材探究液体内部压强的特点． 1他�图甲中的U形管内注入适量的红墨水当管内的红墨水静止时U形管左右两侧 sketch template

如图中用U形管压强计测定容器中气体压强时得到如图所示的数值．如果当时大气压为1个标准大气压101×105帕斯卡那么容器内气体压强 sketch template

左端封闭右端开口的粗细均匀的U型玻璃管倒置时如图其中斜线部分为水银．若此管保持竖直状态做自由落体运动则与释放前相比 A．气柱I长度 sketch template

如图所示一端封闭一端开口截面积相同的U形管AB管内灌有水银两管内水银面高度相等闭管A内封有一定质量的理想气体气体压强为72cmHg sketch template

如图所示竖直放置且粗细均匀的U形玻璃管与容积为V0=90cm3的�属球形容器连通用U形玻璃管中的水银柱封闭一定质量的理想气体当环境温度为 sketch template

如图所示，一倒置U形管，上部为密度P=800kg／m3的油，用来测定水管中的流速，若读数 H=200mm，求管中流速。上学吧找答案 sketch template

如图所示的U形管连通器左右两管直径相同先装入水银然后从右管装68厘米高的水柱则右管中水银面下降2525厘米．水银密度136× sketch template

如图所示U形管中装有两种不同的溶液R及S两者被一半透膜X隔开．与S相比R为低渗溶液当U形管内达到平衡时U形管两侧的水分子的运动 sketch template

题目如图所示是测量大气压强的装置玻璃管长约1m槽内装有水银下列说法正确的是A 此装置是一个连通器B 第一次利用此装置测出大气压强 sketch template

如图所示内径均匀的U形管内盛有密度不同的两种液体其中一种液体的密度是ρ1另一种液体的密度是ρ2该液体的体积是V且ρ2＞ρ1．静止时两种 sketch template

如图所示是演示“流体压强和流速的关系实验装置U形管中装有水直径相同的ab两管中的水静止时液面相平1如果在右端c处往装置里急吹气 sketch template

如图所示粗细均匀竖直放置的U形玻璃管左上端封闭右上端开口当温度为时管内用水银封闭着长L1=8cm的空气柱这时两管内水银面等高已知 sketch template

小李在“探究物质熔化规律”实验中，所用装置如图甲所示。�在安装器材时应按照选填（“从上到下”或“从下到上”）的顺序安装器材；�从图乙可知物质在 sketch template

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