Read upper meniscus of mercury

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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 … 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

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WebAnswer: 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... WebIf you filled it with mercury, you would get a meniscus that looks like this where there's a bulge near the center when you're further away from the container than when you're at the … flying j truck stop ellensburg washington

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

WebIf 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 ... 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? 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 … flying j truck stop fort pierce florida

Why upper meniscus of coloured liquids? - Answers

How to Read a Meniscus in Chemistry - Westlab

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 … 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 … greenmangaming coupon 2021WebA 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 … green man gaming coupons june 2018 reddit

"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 … " - Read upper meniscus of mercury

Read upper meniscus of mercury

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. WebSep 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...

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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 … 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.

WebDec 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. WebDec 31, 2010 · The meniscus may be convex (curving upward) or concave (curving downward). Most of the time you will find that the meniscus is concave. The most notable exception is the meniscus that forms...

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 WebAug 28, 2024 · The meniscus (plural: menisci, from the Greek for "crescent") is the curve in the upper surface of a liquid to the surface of the container or another object. It can be …

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 …

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. greenmangaming coupon redditWebMay 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 … green man gaming coupon code for destiny 2WebThe 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 … green man gaming coupons 2020WebSep 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 … green man gaming coupons redditWebAs 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 … green man gaming couponsWebJun 19, 2024 · 1. A vacuum must exist above the meniscus of the column so that the mercury can rise above 760mm (or 30 in.) which is what a mercury barometer reads at sea level. In other words, the mercury column needs headroom to rise with increasing ambient atmospheric pressure. A barometer capillary tube with a ball pediment cistern must have … green man gaming credit cardWebApr 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 ... flying j truck stop fort stockton texas