What can a graduated cylinder be used for? A. Measuring volume B. Measuring mass C. Measuring time D. Measuring speed 相关知识点: 试题来源: 解析 A。本题考查量筒的用途。量筒是用来测量体积的,选项 B 测量质量有专门的工具;选项 C 测量时间有钟表等;选项 D 测量速度也有相应的仪器。所以选 A。
What is a graduated cylinder? Chemistry Lab Equipment: The chemistry lab is full of instruments that scientists use when performing research. Many of these tools are specifically designed to make accurate and precise measurements when receiving and transferring samples. ...
When one reads something like a graduated cylinder or a ruler, the markings on the cylinder are definite measurements but the space in between these markings must be estimated. The last numerical place is the limit to the measurement's significance and therefore...
is density calculated? Step1 – Using a triple beam balance, find the mass of your object. Massis measured in grams. Step2 – Use a graduated cylinder if the object is a liquid, a ruler if your object is a regular solid, or water displacement if the object is an irregular solid ...
What is the density of the liquid? A 50 mL graduated cylinder is used to measure out 25 mL of water. What is the absolute error of the measurement? The volume of an irregularly shaped object is measured as 54.61 cm3. What is this volume in cubic meters? Is a pipet or a b...
A graduated pipette works similarly to a graduated cylinder. It is marked with a series of graduated lines to measure the quantity of a liquid before and after it is dispensed. It is not as accurate as a volumetric pipette, but it serves its purpose. ...
Pipettes have existed since the 1700s when chemist Francois Descroizilles developed the alkalimeter, a precursor to the pipette. It looked similar to a graduated cylinder and was used to work with acid and base titrations (alkalimetry). ...
Hexane,perfluorohexane,and 水是溶 liquids;that is,they 不溶于另一个。这些液体中放置 10 毫升,每个在毕业 cylinder;along Teflon.None 这些常用塑料溶解的高密度 polyethylene,polyvinyl chloride,and 件。描述您想查看。 翻译结果3复制译文编辑译文朗读译文返回顶部 ...
Add a comment 2 Rainfall is measured with a rain gauge. This one goes up to 12 cm or 120 mm, so 3 mm would just be a few drops at the bottom. As you can imagine, it doesn't matter how big this gauge is, as long as the sides are straight. A larger cylinder will hold mor...
A graduated container, such as a cylinder or beaker. Graduate Possessing an academic degree or diploma. Graduate Of, intended for, or relating to studies beyond a bachelor's degree Graduate courses. Graduate A person who is recognized by a university as having completed the requirements of a de...