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如图所示在两个烧杯中分别盛以质量相等的水和煤油再用同样的电热器加热测出它们的温度升高相同时所需的通电时间并填入下表． 液体 质量克 Template






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sketch 2888 Jimi Hendrix by Meen Suksoi
sketch 2828 One Direction Szabó Zoltán
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sketch 1448 donara
sketch 378 Guess what flag? ɔılqndǝɹ ɥɔǝzϽ
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sketch 5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit
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sketch 4393 ant
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tomski如图所示在两个烧杯中分别盛以质量相等的水和煤油再用同样的电热器加热测出它们的温度升高相同时所需的通电时间并填入下表． 液体 质量克 coloring
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在两个烧杯中分别盛有硫酸铜硝酸银两个烧杯中分别投入一块质量相同的铁块随着反应则两杯中铁块质量与反应时间的关系AB两条直线A线表示 sketch template
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T℃分别盛有100克水的两个烧杯中加入等质量的AB两种固体物质使其充分溶解观察到如图1所示的现象．1t℃时 烧杯中的溶液一定是 sketch template
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在两个烧杯中分别盛有硫酸铜硝酸银两个烧杯中分别投入一块质量相同的铁块随着反应则两杯中铁块质量与反应时间的关系AB两条直线A线表示 sketch template
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题目如图所示在两个相同的烧杯中分别盛有质量初温都相等的水和牛奶用两个相同酒精灯对其加热．1该实验在组装仪器的顺序是 ．2加热 sketch template
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题目如图甲在两个相同的烧杯中分别装入质量初温都相同的ab两种液体并用相同的电加热器加热图中温度计规格相同若液体吸收的热量等于电 sketch template
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如图所示在两个完全相同的烧杯中分别盛有质量相等的水和煤油用电热器分别给水和煤油加热相同的时间甲电加热器的功率是50W乙电加热器的功率是 sketch template
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如图所示在两个相同的烧杯中分别盛有质量初温都相等的水和牛奶用两个相同酒精灯对其加热1加热过程中现要使它们上升相同的温度需给水 sketch template
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题目如图在两个相同的烧杯中分别装有质量初温都相同的水和沙子用两个相同的酒精灯对共加热．1加热时间后分别测量两者的温度现沙子 sketch template
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为探究物质的吸热能力，小明设计了如图甲所示的实验装置。（1）在两个相同的烧杯中分别装入相等、初温相同的水和植物油；（2）实验中，通过比较两种 sketch template
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如图所示在两个烧杯中分别盛以质量相等的水和煤油再用同样的电热器加热测出它们的温度升高相同时所需的通电时间并填入下表． 液体 质量克 sketch template
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题目室温时盛有稀硫酸的烧杯中逐滴加入BaOH2溶液 烧杯内溶液中溶质质量变化如图所示忽略溶液温度的变化下列分析正确的是A sketch template
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如图所示在两个相同的烧杯中分别盛有质量初温都相等的水和牛奶用两个相同酒精灯对其加热．1加热过程中现要使它们上升相同的温度需给水 sketch template
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如图所示用酒精灯给烧杯加热烧杯内的水不断沸腾则插在烧杯中的试管里的水将 A 不能达到沸点不能沸腾B 能达到沸点可以沸腾C sketch template
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如图所示在已调平的托盘天平两边各放一只等质量的烧杯烧杯中分别倒入质量相等的稀硫酸和稀盐酸再同时分别加入等质量的AB两种属已知相对 sketch template
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烧杯水浴加热简笔画 简笔画图片大全 sketch template
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31．如图所示三个相同的烧杯放在同一水平桌面上分别盛有盐水水和酒精它们液面的高度相同其中烧杯底受到液体压强最大的是已知ρ盐水>ρ水 sketch template
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如图所示烧杯中逐滴加入某种溶液至过量时其反应过程中的生成物质量和反应物溶液质量关系可用右侧所示曲线图表示的是 序号烧杯中的物质溶 液 sketch template
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24．如下图所示水槽中盛有水烧杯中盛有硝酸钠的饱和溶液底部留有一些未溶解的硝酸钠固体现水槽中加入足量的生石灰烧杯中的小木块将 sketch template
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在探究冰熔化时温度变化规律的实验中实验装置如图甲所示。（1）实验时，试管里装有适量的（选填“冰块”或“碎冰”）；将试管放入水中加热，这样做的 sketch template
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如图所示在盛有水的烧杯中将两支试管AB插入烧杯的水中．当烧杯受到酒精灯持续加热后A试管内的液体会沸腾起来B试管内的液体没有沸腾．根据 sketch template
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如图烧杯里盛有足够的水把盛着水的试管放在烧杯里用酒精灯加热当烧杯中的水沸腾后继续加热则试管中的水 沸腾原因是 ． 题目和参考答案 sketch template
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如图所示小烧杯中盛放的是饱和硝酸钾溶液．若将量的下列物质分别小心地加入到大烧杯的水中不断搅拌一定能够使小烧杯中有固体析出的是 ．A．冰 sketch template
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图为某同学设计的探究种子萌的实验．在AB两个烧杯中分别放入等量的清水在两根相同的玻璃棒上各捆上3完整的大豆种子并分别编号．将甲烧杯放 sketch template
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如图所示常温下两个烧杯分别盛有冰块和热水上方均盖有一块玻璃分别为ab过一会儿可明显看到 A．ab两块玻璃外侧均有小水珠B．a sketch template
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如图所示烧杯中盛有甲液体试管内盛有乙液体．在l标准大气压下用酒精灯对烧杯底部持续加热一段时间后现试管内的乙液体沸腾．已知l标准大气 sketch template
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如图甲所示小球恰好悬浮在盛有6℃的水的烧杯里水的密度随温度的变化如图乙所示．现把烧杯放进冰柜里面在烧杯内水的温度下降到0℃的过程中假设 sketch template
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如图所示烧杯与试管中均放有冰块用酒精灯加热烧杯底部在烧杯内冰块逐渐熔化成水的过程中 A．试管内冰块不会熔化B．试管内冰块会熔化一 sketch template
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小华用图甲所示装置探究冰熔化时温度的变化规律。（1）组装实验装置时，要保证用酒精灯的外焰加热，应先确定（选填“烧杯”或“温度计”）的位置；（2 sketch template
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6．如下图所示烧杯中盛有0℃的碎冰装有0℃碎冰的试管插入烧杯里的碎冰中缓缓加热烧杯中的冰有一半熔化时管中冰将 A．不熔化 B sketch template
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如图所示放置在盛有水的烧杯中的两支温度计ab加热时b温度计的示数始终比a温度计的示数高其原因是 ．停止加热时a温度计的示数如图所示 sketch template
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如图所示在两个相同的烧杯中分别盛有质量初温都相等的水和牛奶用两个相同酒精灯对其加热1加热过程中现要使它们上升相同的温度需给水 sketch template
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如图所示的一组实验可用于研究燃烧的条件．已知白磷的着火点为40℃红磷的着火点为240℃．1在如图1所示的实验中分别用玻璃棒蘸取酒精和水 sketch template
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烧杯内有燃着的两支高低不同的蜡烛如图所示沿着烧杯慢慢地倾倒CO2观察到的现象是下面的蜡烛先熄灭上面的蜡烛后熄灭这说明CO2的两点 sketch template