asked Sep 3, 2019 in Chemistry by Luiza. A meniscus may be either concave or convex. glass han to itself. and find homework help for other Science questions at eNotes The meniscus of mercury in a glass capillary tube is convex because of. (In other words,
When you have mercury liquid in a container, why is the meniscus upside down compared to all other liquids? Cohesion is the ability of water molecules to cling to each other because of hydrogen bonds. Answer : A. Mercury has a convex meniscus because the cohesive forces in liquid mercury tend to draw it into a drop. most liquids are more attracted to the beaker whereas mercury molecules are more attracted to itself It depends on inter-molecular attractions. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. A) The greaer glass an to itself. A concave meniscus, which is what you normally will see, occurs when the molecules of the liquid are attracted to those of the container. This occurs with water and a glass tube. However, larger values of r/a are admissible so long as the condition that the meniscus … D) the very high density of mercury as compared with water. Ask your question. The meniscus of mercury in a glass capillary tube is convex because of A) the weaker attraction of mercury atoms to the glass than to each other. In a science class, this liquid is usually water or some sort of aqueous solution, and the column is usually a graduated cylinder or a pipet. Cloudflare Ray ID: 65335688c9ba6176 The cohesive force within te drop are stronger. One looks like this. The meniscus of mercury in a mercury thermometer (Figure \mathrm{P} 6.83 ) is convex. Curving can be convex or concave. Mercury metal is more attracted to itself than to the walls of the glass manometer. Such a surface shape is known as a convex meniscus. Answers Vaidehii Ace; The meniscus of mercury in the capillary tube is convex 1.0 1 vote 1 vote Rate! This is called a meniscus, and is due to the surface tension of the Mercury. The temperature range that can be measured by a typical mercury thermometer is −37 to 356 °C. 1x 1.5x 2x. Surface tension of ethanol is one third that of water. 80.9 K+ views | 4.0 K+ people like this Like Share. A meniscus may be either concave or convex. Friends,Why Mercury has Convex Meniscus? mercury to the B) The lower… B) the low surface tension of mercury. For instance with glass, water has a degree of wetting where the surface of the water seeks to extend across the glass surface. Get answer: The meniscus of mercury in the capillary tube is . Mercury in a cuvette of 10mm horizontal size. On High Density Of Mercury As Compared To Water. Mercury molecules attract one another more strongly than they attract the molecules of the container, so they form a convex meniscus. Surface tension, which arises due to the cohesive forces in the liquid, likes to … https://www.sciencephoto.com/media/92138/view/meniscus-of-mercury-and-water #YourPhysicsClassHi! Adhesion is the ability of water to cling to other polar surfaces, as a result of water's polarit y. D) The high density of mercury compared to water. The bladder, tubing, connections, bulb and valves should all be sound. The meniscus of mercury in a glass capillary tube is. The meniscus of mercury is convex, bows down here, due to cohesion - 2C66AC9 from Alamy's library of millions of high resolution stock photos, illustrations and vectors. School Cleveland State University; Course Title CHM 262; Type. Which meniscus is more important? A convex meniscus (sometimes called a "backwards" meniscus) is produced when the molecules of the liquid are more strongly attracted to each other than to the container. The cuff consists of an inflatable bladder within a restrictive cloth sheath. The meniscus of mercury in the capillary tube is . Some liquids, like mercury, have a convex meniscus because the opposite is true - the molecules of the liquid are more strongly attracted to each other than the walls of the container. In a science class, this liquid is usually water or some sort of aqueous solution, and the column is usually a graduated cylinder or a pipet. (FIGURE CANNOT COPY) Conversely, a convex meniscus occurs when the particles in the liquid have a stronger attraction to each other than to the material of the container. cohesive forces in the liquid, likes to minimize the surface area of
Figure 1: Photograph of the “barometer light”, which is the orange line of light generated at the intersection of the mercury meniscus and the wall of the rotating glass cylinder. A convex meniscus … Mercury reacts with ozone to form an oxide. How To Read A Meniscus . Surface tension, which arises due to the
Angle of contact of mercury and glass capillary is obtuse, so the meniscus is convex. If the cohesive forces between molecules of a liquid are stronger than the adhesive forces between the molecules of a liquid and those of the container then you will see a "convex meniscus." The position of the meniscus of the mercury on the temperature scale gives the temperature of the sample. Meniscus and wetting are caused by surface tension. Because mercury does not wet the material of the container. • Apne doubts clear karein ab Whatsapp par bhi. Answer Text. Picosecond discharges and stick-slip friction at a moving meniscus of mercury on glass. Meniscus in Chemistry . Meniscus of mercury is lost and mercurous oxide sticks to the glass. https://www.sciencephoto.com/media/92139/view/meniscus-of-water-and-mercury Add your answer and earn points. OC A Greater Attraction Of The Mercury To The Glass Than To Itself. This occurs with water and a glass tube. On shaking with water, the meniscus is … Pages 61 Ratings 100% (3) 3 out of 3 people found this document helpful; This preview shows page 14 - 20 out of 61 pages. C) The low surface tension of mercury. mercury to the B) The lower… Comments; Report Log in to add a comment priyal00 Helping Hand; The answer is … For water and most liquids, this is the bottom of the meniscus. The reason for this happening is because of cohesion and adhesion. Therefore, for mercury in a capillary tube b) the meniscus is convex and the cohesive forces are stronger than the adhesive forces. Therefore, for mercury in a capillary tube b) the meniscus is convex and the cohesive forces are stronger than the adhesive forces. This occurs between water and glass. Because mercury still exhibits metallic bonding, even in the liquid state, and metal-metal interactions are stronger … At a meeting of the French Academy in 1700, Bernoulli demonstrated that swirling mercury in an evacuated flask generates light. Get answer: The meniscus of mercury in the capillary tube is . A convex meniscus in a glass tube is the result of high surface tension, which causes the substance (mercury) to be more attracted to itself than to the glass, limiting the total surface area. Previous; Next; Have a Question. Convex meniscus is formed. Comments; Report Log in to add a comment priyal00 Helping Hand; The … A flat meniscus occurs with water in some … When atmospheric pressure is increasing, the places where the mercury is in contact with the glass tube can lag the rise of the top of the meniscus: in this case the height of the meniscus is too large. Getting Image Please Wait... or. Meniscus is the curve of the upper surface in any liquid. Apne doubts clear karein ab Whatsapp par bhi. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. A meniscus is a phase boundary that has been curved because of surface tension. the liquid, prefering a spherical shape. A concave meniscus occurs when the particles of the liquid are more strongly attracted to the container (adhesion) than to each other (cohesion), causing the liquid to climb the walls of the container. Try it now. School Cleveland State University; Course Title CHM 262; Type. the adhesive forces between the molecules of a liquid and those of the
The meniscus of mercury is convex, bows down here, due to cohesion - 2C69R5J from Alamy's library of millions of high resolution stock photos, illustrations and vectors. B) electrostatic repulsion between the glass and the mercury. The meniscus of mercury is convex, bows down here, due to cohesion - 2C66AC9 from Alamy's library of millions of high resolution stock photos, illustrations and vectors. For mercury, take the measurement from the top of the meniscus. and the container, also known as "wetting", encourages as much liquid
The meniscus of mercury in the capillary tube is . OF_(s) O CHCI (3) O NH3(s) O LiCl(s) In a glass tube, the meniscus of water is concave, whereas the meniscus of mercury is convex. Rate! I've meniscus, which is the one that looks like So So these forces here, acting at the sod, there are your adhesive forces on a much stronger than the cohesive force in the body of the liquid to get a convex mint. general-chemistry; All synovial joints contain at least 1 meniscus. When mercury is placed in a graduated cylinder, the cohesive forces in the mercury are stronger than the adhesive forces between the mercury and the glass. saturated solution . Why? Performance & security by Cloudflare, Please complete the security check to access. As you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. Notes. A meniscus is the curved surface at the top of a column of liquid. This is a consequence of metallic bonding; and it is formally termed an ameniscus, or a convex meniscus (as opposed to the concave menisci, that water forms). B) electrostatic repulsion between the glass and the mercury. It is known as tailing of mercury. Some liquids, like mercury, have a convex meniscus because the opposite is true - the molecules of the liquid are more strongly attracted to each other than the walls of the container. Tyrocity.com envisions the education system of the country to be … (FIGURE CANNOT COPY) Our Discord hit 10K members! Solution. Instead, the top is curved inward, making it a little … He emphasized that this `barometer light' ``has not been explained since its discovery about 30 years ago'' by Picard. The meniscus of Mercury in the capillary tube is. The top of the meniscus will be the point to which you will align the bottom of the movable scale. You may need to download version 2.0 now from the Chrome Web Store. stick to the container.) A meniscus can go up or down. Become a member … Meniscus is the curve of the upper surface in any liquid. Again the two effects combine to minimize the total potential energy. The sheath containing the bladder should also be in good condition … As you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. C) the low surface tension of mercury. D) the weaker attraction of mercury atoms to the glass than to each other. Because mercury does not wet the material of the container. Select the statement that explains the difference in the shape of the menisci. E) the greater attraction of mercury atoms to the glass than to each … CLICK HERE. For most liquid like water it is more attracted to the beaker than itself so it will try to be as close to the beaker as possible a meniscus upward would allow more water molecules to touch the beaker. Water molecules are attracted to the glass container by capillary action, so they form a concave meniscus. The meniscus of mercury in a glass capillary tube is convex because of A) the very high density of mercury as compared with water. atic mcicury to the B) The lower attraction of mercury to the glass than to itself. Water-based fluids like sap, honey, and milk also have a concave meniscus in glass or other wettable containers. Solution for Which best explains why the meniscus of mercury in a glass tube is convex? B) the low surface tension of mercury C) the greater attraction of mercury atoms to the glass than to each other. The shape of the menisci are unrelated to the adhesive and cohesive forces. Meet students and ask top educators your questions.Join Here! C) the low surface tension of mercury. Oct 29, 2018 - MENISCUS OF MERCURY Nonpolar liquid mercury forms a convex meniscus… Why? The meniscus of mercury in a mercury thermometer (Figure \mathrm{P} 6.83 ) is convex. The meniscus of Mercury in the capillary tube is. anatomy-and-physiology; Which of the following is the definition of a meniscus? glass han to itself. A) The greater. Which best explains why the meniscus of mercury in a glass tube is convex? E) electrostatic repulsion between the glass and the mercury… People Also Read . A meniscus is the curved surface at the top of a column of liquid. A good example of this shape of meniscus can be seen with mercury in a glass container. ConvexConcave Plane Uncertain. Go and … The condition that a meniscus be nearly planar implies that h ≪ r. The condition that only menisci of capillary dimensions are to be considered requires that 0 < r/a ≲ 1, since a ~ 2 mm for mercury. asked Aug 31, 2019 in Health Professions by … OD Greater Cohesion Forces Within Mercury Than The Adhesion Forces Between Mercury And Glass. Find an answer to your question _____forces make meniscus of mercury (Hg) convex Your answer ritishamallick1206 ritishamallick1206 19.03.2021 Chemistry Primary School answered _____forces make meniscus of mercury (Hg) convex Your answer 1 See answer ritishamallick1206 is waiting for your help. The meniscus of mercury in a glass capillary tube is convex because of A) the very high density of mercury as compared with water. Rate! The lateral meniscus has been shown to be more mobile than the medial meniscus. Convex menisci occur, for example, between mercury and glass in barometers and thermometers. Convex menisci are read from the top of the curve at eye level. … Ans: Because cohesive force between molecules of mercury is greater than the adhesive force between mercury and glass molecules. 5. Some liquids, like mercury, have a convex meniscus because the opposite is true - the molecules of the liquid are more strongly attracted to each other than the walls of the container. Mercury in a cuvette of 10mm horizontal size. Mercury column manometer The meniscus should be clearly visible and not obscured by oxidised mercury on the inside of the glass. Figure 1: Photograph of the “barometer light”, which is the orange line of light generated at the intersection of the mercury meniscus and the wall of the rotating glass cylinder. Thanks 11. The meniscus of mercury in a glass capillary tube is. Share. Mercury in a cuvette of 10mm horizontal size. Oct 29, 2018 - MENISCUS OF MERCURY Nonpolar liquid mercury forms a convex meniscus… container then you will see a "convex meniscus." Mercury produces a convex meniscus. Your IP: 158.69.54.75 Mercury in a cuvette of 10mm horizontal size. Books; Test Prep; Bootcamps; Class; Earn Money; Log in ; Join for Free. Before inflation it must be at zero. For instance with glass, water has a degree of wetting where the surface of the water seeks to extend across the glass surface. Why? Download this stock image: SCIENCE, PHYSICS, MERCURY. • Download this stock image: SCIENCE, PHYSICS, MERCURY. Figure 1: Photograph of the “barometer light”, which is the orange line of light generated at the intersection of the mercury meniscus and the wall of the rotating glass cylinder. The meniscus of mercury in a glass capillary tube is convex because of A the. The meniscus of water in a glass tube is concave, but that of mercury (Figur… 03:07 When water is placed in a buret it forms a concave meniscus at the surface. Uploaded By LeahH94. Watch 1000+ concepts & tricky questions explained! Measure the meniscus at eye level from the center of the meniscus… Friends,Why Mercury has Convex Meniscus? curvature of the meniscus, and forces exerted on the solid surfaces. Record the final volume of the burette as final burette volume to 2 decimal places. But if the capillary tube is filled with nitrogen gas, then the temperature range can be further increased since nitrogen is an inert gas and the pressure exerted by the gas on the mercury … that's if the liquid molecules stick to each other better than they
surface tension. If the liquid forms a curve, how are you expected to make an accurate measurement of the amount of liquid in a container? Download this stock image: SCIENCE, PHYSICS, MERCURY. The center of mass of the entire column of mercury would be slightly lower if the top surface of the mercury were flat over the entire crossection of the tube. The meniscus for mercury in a glass tube is concave downward. Go back to subject. The meniscus of mercury in a glass capillary tube is convex because of A) the weaker attraction of mercury atoms to the glass than to each other. A) The greater. Water meniscus is convex, mercury menisucs is concave. Cohesion is the ability of water molecules to cling to each other because of hydrogen bonds. To read a meniscus, you first need to see what type of meniscus your liquid forms. Please enable Cookies and reload the page. In some cases, the meniscus appears flat (e.g., water in some plastics). Another way to prevent getting this page in the future is to use Privacy Pass. In each meniscus, the anterior horn has greater mobility than … C) the greater attraction of mercury atoms to the glass than to each other. Thanks 11. (In other words, that's if the liquid molecules stick to each other better than they stick to the container.) Pages 61 Ratings 100% (3) 3 out of 3 people found this document helpful; This preview shows page 14 - 20 out of 61 pages. Uploaded By LeahH94. … This is a consequence of metallic bonding; and it is formally termed an ameniscus, or a convex meniscus (as opposed to the concave menisci, that water forms). When Hg bonds with oxygen, it creates Hg2O and this causes it to lose its meniscus and stick to the sides of the tube. The reason why mercury has a convex meniscus is because the cohesive forces between the mercury molecules is greater than the adhesive forces between the molecules of the glass and molecules of mercury. E) electrostatic repulsion between the glass and the mercury. Problem The mercury level in a capillary tube inserted in… 01:18 Will L. Numerade Educator. So Mercury has a convex meniscus. Download this stock image: SCIENCE, PHYSICS, MERCURY. A common liquid that forms a convex meniscus is liquid mercury. You can get that happen when you have liquid, such as mercury, which is very non polar. Answers Vaidehii Ace; The meniscus of mercury in the capillary tube is convex 1.0 1 vote 1 vote Rate! https://www.sciencephoto.com/media/92138/view/meniscus-of-mercury-and-water The tailing of mercury is when the mercury (Hg) sticks to the sides of a test tube. How many decimal places do you read a 50 mL graduated cylinder? Excuse, convicts. A meniscus is the curved surface at the top of a column of liquid. To answer this question, one must has concept of surface tension before. Meniscus of mercury (right) and the meniscus of water (left). What are Cohesive and Adhesive Forces? Mercury metal is more attracted to itself than to the walls of the glass manometer. It all depends on if the molecules of the liquid are more attracted to the outside material or to themselves. as possible to be in contact with the container. Ask for details ; Follow Report by Drbshukla77 09.01.2019 Log in to add a comment What do you need to know? Why? Ask for details ; Follow Report by Drbshukla77 09.01.2019 Log in to add a comment What do you need to know? a solution that contains the maximum concentration of a solute possible at … The meniscus of mercury is convex, bows down here, due to cohesion - 2C69R5J from Alamy's library of millions of high resolution stock photos, illustrations and vectors. Instead, the top is curved inward, making it a little … If the cohesive forces between molecules of a liquid are stronger than
Explain. This problem has been … A convex meniscus occurs when the liquid particles are more attracted to each other than to the walls of the container. Solution for Which best explains why the meniscus of mercury in a glass tube is convex? The force that pulls the surface of a liquid sur A concave meniscus forms when the liquid molecules are more attracted to the container via adhesion than to each other via cohesion. The meniscus of mercury in a glass capillary tube is convex because of A the. Question: Which Best Explains Why The Meniscus Of Mercury In A Glass Tube Is Concave? But the dome-shaped top gives slightly less surface area to the entire mass of mercury. The meniscus of water is concave because the cohesive forces are greater than the adhesive … Become a member … Loading DoubtNut Solution for you. A concave meniscus, which is what you normally will see, occurs when the molecules of the liquid are attracted to those of the container. In the case of water and most liquids, the meniscus is concave. asked Sep 2, 2019 in Anatomy & Physiology by Margaret. #YourPhysicsClassHi! energy needed go separate the molecules at the surface of a liquid. For instance, volume is central to calculations of water saturations in soils (Haines 1925; Fisher 1926), assessment of connate water content of oil and gas reservoirs (Morrow 1971)) and interpretation of mercury porosimetry data (Mayer & Stowe 1966). D) the weaker attraction of mercury atoms to the glass than to each other. The cohesive force between glass and stronger are comparatively weaker. Because mercury still exhibits metallic bonding, even in the liquid state, and metal-metal interactions are stronger … Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Try it now. Ask us in our Discussion Forum. A convex meniscus occurs when the molecules have a stronger attraction to each other than to the container, as with mercury and glass. Cuff. Low Surface Tension Of Mercury. D) the very high density of mercury as compared with water. E) The repulsion between mercury and the glass. Ask your question. © 1994 - 2021 The Board of Trustees at the University of Illinois :: University of Illinois at Urbana-Champaign. Notes. As you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. In a science class, this liquid is usually water or some sort of aqueous solution, and the column is usually a graduated cylinder or a pipet. In either case, you are measuring based on the center of the meniscus. Curving can be convex or concave. Adhesion between the liquid
Mercury produces a … Get an answer for 'Explain why the meniscus of water is concave and that of mercury is convex. '
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