Read upper meniscus of mercury

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August undefined, 2024

WebAs you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. Instead, the top is curved inward, making it a little difficult to decide … WebThe mercury atoms are strongly attracted to each other by metallic bonds. Mercury is attracted to the glass, but the cohesive forces in mercury are stronger than the adhesive forces between mercury atoms and the glass. ( 9 votes) Show more... Cathrin Lionheart 7 years ago At 5:56

What Is a Meniscus? - Definition, Uses & Lab Examples

WebSep 2, 2024 · A meniscus occurs because of surface tension in the liquid and must be read at eye level. For a concave meniscus, the correct volume will be read at the bottom of the … WebA meniscus can go up or down. It all depends on if the molecules of the liquid are more attracted to the outside material or to themselves. A concave meniscus, which is what … moffat washer not spinning

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WebA meniscus as seen in a burette of colored water. '20.00 mL' is the correct depth measurement. When reading a depth scale on the side of an instrument filled with liquid, such as a water level device, the meniscus … WebThe atmosphere of Venus is the layer of gases surrounding Venus.It is composed primarily of supercritical carbon dioxide and is much denser and hotter than that of Earth.The temperature at the surface is 740 K (467 °C, 872 °F), and the pressure is 93 bar (1,350 psi), roughly the pressure found 900 m (3,000 ft) underwater on Earth. The Venusian … WebJun 6, 2024 · The long answer: To read a meniscus, you first need to see what type of meniscus your liquid forms. If the meniscus is a concave … moffat washtech

Why Mercury has its meniscus upward? - Answers

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WebNov 16, 2016 · When you read a scale on the side of a container with a meniscus, such as a graduated cylinder or volumetric flask, it is important that the measurement accounts for … WebIn order to get the true volume with a concave meniscus, read based on the bottoms of the meniscus Being at eye level When reading a volume in a graduated cylinder, it is also important that your eyes are level so that you … moffat washer repairWebJun 21, 2024 · Pick up the glassware to bring it up to eye level or bend down to take a measurement. The key to getting an accurate reading is to measure the centre of the meniscus whether it be concave or convex. E.g. with a concave meniscus, measure the bottom of the meniscus and for convex meniscus, take the reading from the top of the … moffat washtech ud

"WebSep 1, 2024 · Meniscus in Anatomy. In anatomy and medicine, a meniscus is a crescent-shaped or semi-lunar structure that partially divides the cavity of a joint. A meniscus is a fibrocartilaginous tissue. Examples in humans are found in the wrist, knee, temporomandibular, and sternoclavicular joints. In contrast, an articular disk is a structure … " - Read upper meniscus of mercury

Read upper meniscus of mercury

Webmeniscus. The meniscus formed by a non-wetting liquid, such as mercury (Hg), is convex with the highest point in the center and is no longer regularly used for volumetric calibrations. In the case of a convex meniscus, the highest point is used to make the reading. The reading of a mercury barometer or thermometer is a classic example of this … WebMay 7, 2024 · the case of a convex meniscus, the highest point is used to make the reading. The reading of a mercury barometer or thermometer is a classic example of this kind. In all apparatus where the volume is defined by a up meniscus, the concave- setting or reading is made on the lowest point of the meniscus. In order that the lowest point may be

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Web1 day ago · The lower and upper fixed points of a mercury-in-glass thermometer are marked X and 180 mm respectively. On a particular day the mercury meniscus in the thermometer rises to 60mm. If the corresponding reading on a Celsius scale is 20°C, what is the value X? WebDec 14, 2024 · Reading a graduated cylinder starts with dividing the difference between adjacent numbered lines by the number of unmarked lines counted from one numbered …

WebApr 30, 2024 · The chemistry definition of meniscus is the curve that exists on the surface of a liquid when it is placed into a container. This curve is either convex or concave. It … WebWith the meniscus curved upwards, the volume should be read at the lowest point of the liquid level (edge). During the reading, the lowest point must touch the upper edge of the …

WebSep 8, 2016 · The free surface of a liquid called meniscus, assumes a flat, convex or concave shape, depending on the solid and liquid surface. The meniscus is the curve in the upper surface of a liquid close to the surface of the container or another object, caused by surface tension. It can either be convex or concave, depending on the liquid and the surface. WebMay 7, 2024 · reading is made on the lowest point of the meniscus. In order that the lowest point may be observed, it is necessary to place a shade of some dark material …

WebBP reading is done by noting the level of the lower meniscus of the mercury. 15.) The process involved in the exchange of gases in the lungs is: A.) Diffusion B.) Osmosis C.) …

WebJul 23, 2024 · Adhesive force: the force of attraction between 2 foreign molecules. For water, adhesive force is stronger than the cohesive forces, sticking more strongly to the capillary wall than other water molecules, hence as the tube is thinner, the higher the level. That also explains why the meniscus is concave. On the other hand, for mercury, cohesive ... moffat washing machine partsWebDec 14, 2024 · To correctly read a graduated cylinder, the surface at the center of the meniscus must be read, not the top of the ring of liquid clinging to the wall of the graduated cylinder. For most liquids, this "center" will be the lowest point of the meniscus. moffat washer parts canadaWebAnswer: In short, you read the bottom level because the higher level is a reflection. But it doesn’t matter which you use when measuring differences as with a burette reading, provided you use the same surface reference level. Of course, reading the bottom is necessary when dispensing an absolute... moffat washing machine troubleshootinghttp://www.rfuess-mueller.de/111-0E.pdf moffat washing machineWebJan 3, 2009 · Measure so that the line you are reading is even with the center of the meniscus. For water and most liquids, this is the bottom of the meniscus. For mercury, … moffat washer problemsWebApr 6, 2024 · How do you read upper meniscus? A meniscus occurs because of surface tension in the liquid and must be read at eye level. For a concave meniscus, the correct … moffat washtech xpWebSep 4, 2024 · Answer: The lower meniscus must be read while measuring the volume of colourless or transparent liquids but the upper meniscus while using colured ones … moffat washer review