Read upper meniscus of mercury

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August undefined, 2024

Web7 hours ago · Most of upper Thailand will be hit with summer storms this weekend, while the rest of the country will experience hot to very hot temperatures, the Thai Meteorological Department warned. 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 …

GMP 3 Reading a Meniscus

WebNov 6, 2015 · Explanation: Mercury metal is more attracted to itself than to the walls of the glass manometer. Why? Because mercury still exhibits metallic bonding, even in the liquid … WebApr 11, 2024 · Brainly User. To accurately measure the final volume of a solution in a burette, it is important that you read of the measurement in the lower meniscus like for water and for substances like mercury you read it on the upper meniscus. This is the standard way of reading volumes in laboratory apparatus. Also, it should be that the apparatus ... birthday for sister status

Please Tell Me, How Do I Read a Meniscus Accurately?

WebMar 23, 2024 · When liquid mercury is confined in a tube, its surface (meniscus) has a convex shape because the cohesive forces in liquid mercury tend to draw it into a drop. 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 curve. 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 … 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 … dankz furniture willetton

Capillary Action or Capillarity - The Fact Factor

Which liquid has upper meniscus? – Sage-Answers

Webmeniscus (Fig. 3). The lower margin of the meniscus is observed trough the glass plate. The glass plate is turned until the margin appears at the same height as the meniscus peak laying beside it, owing to the refraction of light. The height of the meniscus can then be read from the micrometer knob. The barometer has a hPa graduation. WebJun 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 … dankz furniture waWebThe 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 birthday for older brother

"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? " - Read upper meniscus of mercury

Read upper meniscus of mercury

WebThe meniscus of most liquids is concave-up, with the lowest point in the center that is used to determine the meniscus reading. Your eye must be on the same level as the bottom of the meniscus to read the volume correctly. The meniscus formed by a non-wetting liquid, such as mercury (Hg), is convex with the highest point in the center. In the 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 …

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WebOct 2, 2024 · For mercury, take the measurement from the top of the meniscus. In either case, you are measuring based on the center of the meniscus. For a flat meniscus, make … Meniscus in Chemistry . A concave meniscus forms when the liquid … Solids . A solid has a definite shape and volume because the molecules that … Stuart Minzey / Getty Images. Test tubes are good for collecting and holding small … Learn how to read a barometer and how to tell what kind of weather (fair or stormy) … Fuse / Getty Images. This procedure uses flammable substances and generates … The can be used to calculate the density of an object if its mass is known. Graduated … Reading a Meniscus in Measurement. An important laboratory technique in a … Surface Tension Definition . Surface tension is a physical property equal to the … Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, … By clicking “Accept All Cookies”, you agree to the storing of cookies on your device … 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 …

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 … WebJul 4, 2024 · For water and most liquids, this is the bottom of the meniscus. For mercury, take the measurement from the top of the meniscus. In either case, you are measuring based on the center of the meniscus. How does the meniscus affect reading the correct volume? A meniscus occurs because of surface tension in the liquid and must be read at …

WebApr 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 … WebFeb 3, 2012 · The meniscus of water curves up the sides of the cylinder, while heavy liquids like mercury curves down the cylinder. You should always measure light liquids at the bottom of the meniscus and...

WebNov 16, 2016 · For mercury, take the measurement from the top of the meniscus. In either case, you are measuring based on the centre of the meniscus. You won’t be able to take an accurate reading looking up at the liquid level or down into it. Get eye-level with the meniscus. You can either pick up the glassware to bring it up to your level or else bend ...

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 … birthday for my daughterWebAnswer: 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... birthday for old man birthday for sister messageWebSep 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. birthday for son from momWebIf the cohesion force of a fluid is stronger than the adhesion force of the glass wall, an upwardly curved (convex) meniscus is formed. This happens with mercury, for example. ... In the case of a concave meniscus, the volume has to be read at the lowest point of the liquid level. The lowest point of the meniscus has to touch the upper edge of ... birthday for pisces signWebA 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 … birthday for sonWebSep 30, 2024 · A meniscus may be either concave or convex. A concave meniscus curves downward; if you are looking down from the top, it curves away from you, like the opening of a cave would. In contrast, a... birthday for one year old