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物体ab的质量相等把它们加热到相同的温度然后再把它们分别放入等质量同温度的水里a物体能使水温升高10℃b物体能使水温升高20℃设 Template






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tomski物体ab的质量相等把它们加热到相同的温度然后再把它们分别放入等质量同温度的水里a物体能使水温升高10℃b物体能使水温升高20℃设 coloring
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物体AB的质量相等把它们加热到相同的温度然后再把它们分别放入等质量同温度的水里A物体能使水温升高10℃B物体能使水温升高20℃设 sketch template
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在“比较不同物质吸热的情况”的实验中，实验装置如图所示。（1）实验中应量取（选填“质量”或“体积”）相同的甲、乙两种液体；（2）在本实验中 sketch template
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质量相同的甲乙两种物质它们的比热容之比为21若升高相同的温度那么它们吸收热量之比为A．1 1 B．1 2 C．2 D sketch template
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如图1所示是“探究不同物质吸热升温现象 的实验．将质量相等的沙子和水分别装在易拉罐中并测出沙子和水的初温．然后用酒精灯加热并不断搅拌每隔 sketch template
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15．小阳在研究物体吸收的热量与哪些因素有关时他在两只相同的杯子里装入质量相等 的AB两种不同的液体用两个相同的加热器给它们加热并 sketch template
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做“影响物质吸热多的因素 实验加热相同质量的沙子和水比较二者的吸热能力实验原理如图甲所示1实验需用两个相同酒精灯加热为了记录 sketch template
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题目两个相同的容器分别装有甲乙两种液体用相同的热源分别加热液体温度与加热时间关系如图所示则 A 若甲乙两种液体的质量相同 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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为了探究物质吸收热量与哪些因素有关某实验小组同学用相同的酒精灯分别加热质量和初温都相同的液体实验过程及观察到的现象如图6所示设加热时液体 sketch template
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题目如图所示是“探究不同物质吸热升温现象 的实验将质量相等的沙子和水分别装在易 拉罐中并测出沙子和水的初温然后用酒精灯加热并不断搅拌 sketch template
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如图所示是“探究物体温度变化时吸收热量多跟哪些因素有关 的实验．实验时用两个相同的烧杯装有质量相等的水和煤油用两个同样的电热器同时加热 sketch template
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题目在“比较不同物质吸热能力 的实验中组装了如图a所示的装置将甲乙两种不同的液体分别放入两个相同的烧杯中用相同的酒精灯同时加热 sketch template
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如图所示甲乙丙三图中的装置完全相同燃料的质量都相同烧杯内的液体质量和初温也相同．1比较不同燃料的热值应选择甲乙两图进行实验 sketch template
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如图所示是“探究不同物质吸热的情况 的实验将质量相等的水和煤油分别装在两个相同的烧杯中然后用两个相同的酒精灯加热并不断搅拌每隔2min sketch template
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小红为了比较物体的吸热能力她准备取相同质量的水和煤油使它们吸收相同的热量通过比较升高的温度来判断吸热能力的强弱她的思路得到了老师的肯定 sketch template
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题目为了探究相同质量的不同物质在升高相同温度时吸收热量的多是否相同某实验小组取相同质量的水和煤油放入两个相同的容器中用同样的热源 sketch template
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如图1所示是“探究不同物质吸热能力 的实验将煤油和水分别装在两个相同的烧杯中并测出煤油和水的初温然后用两个相同的酒精灯加热每隔2min 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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31．质量相等初温相同的ab两种不同液体分别用两个完 全相同的加热器加热加热过程中温度随时间变化的图线如图所示根据图线比较液体的比 sketch template
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某同学为了探究物质温度升高时吸收热量的多与哪些因素有关做了如下实验在四个相同的烧杯中分别盛有水和煤油用同样的加热器加热请根据表中的 sketch template
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31．质量相等初温相同的ab两种不同液体分别用两个完 全相同的加热器加热加热过程中温度随时间变化的图线如图所示根据图线比较液体的比 sketch template
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题目为了比较 AB 两种液体比热容的大小某实验小组做了如图所示的实验在两个完全相同的烧杯中分别装入 AB两种液体用完全相同的 sketch template
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如图所示，两个烧杯中分别装有甲、乙两种液体（m甲&gtm乙），用两个规格相同的加热器连入电路加热，该过程中忽略液体蒸且加热器产生的热量全部被液体 sketch template
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用两个相同的“热得快 分别给质量和初温都相同的甲乙两种液体同时加热两液体的温度随时间变化的图象如图所示．如果要你从甲乙两液体中选择汽车的 sketch template
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质量相同的ab两种液体分别用完全相同的加热器加热加热过程中温度随时间变化图线如图所示则两种液体的比热容大小关系是Aca＞cbBca sketch template
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如图甲所示是教书上提供的“探究比较不同物质的吸热能力”的实验装置。实验方法是：用两个相同的酒精灯分别给质量相同的食用油和水加热，在吸收热量相 sketch template
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分别用两个完全相同的“热得快 同时给质量和温度相同的AB两种液体加热它们的温度随时间变化的图象如图所示由图可以看出 液体的温度升高得 sketch template
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用两个相同的“热得快 分别给质量和初温都相同的甲乙两种液体同时加热两液体的温度随时间变化的图象如图所示．如果要你从甲乙两液体中选择汽车的 sketch template
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如图所示四个完全相同的杯中各盛入一定温度和一定质量的水则关于杯中水的内能说法错误的是Aa杯中水的内能最小Bb杯中水的内能比c杯中小C sketch template
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如图所示是“探究不同物质吸热能力 的实验将质量相等的煤油和水分别装在两个相同的烧杯中并测出煤油和水的初温然后用两个相同的酒精灯加热每隔 sketch template
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单位质量的某种物质温度升高1℃所吸收的热量叫做这种物质的 ．它的单位是 ．单位质量的某种物质温度降低1℃所放出的热量等于 ． 题目和参考答案 sketch template
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【题文质量和温度都相同的甲、乙两种物质，用同样的加热器进行加热，它们温度随时间变化的图像如图所示，下列说法正确的是（ ）A．甲的比热容大于乙 sketch template
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某同学用如图所示的实验装置比较不同物质的比热容和探究水沸腾时温度变化的特点．将分别盛有相同质量的水和食用油的两个试管固定在铁架台上温度传感 sketch template
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下列说法正确的是 A．体积相同的物体放在液体中受到的浮力相等B．质量相等的物体放在液体中受到的浮力相等C．密度越大的物体放在液体中受到的 sketch template
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在做“观察水沸腾 的实验时甲乙两组同学通过下图所示实验装置探究“水的沸腾 1实验中给两杯水加热一段时间后观察到虽然继续加热但 sketch template