surface tension lab report

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January 8, 2018

surface tension lab report

This is the basis of “capillary” ... Lecithin Organogenic Lab Report 890 Words | 4 Pages. Other examples of surface tension include water striders, dew drops, raindrops on a It is a result of the COHESION of water molecules. KOYA UNIVERSITY FACULTY OF ENGINEERI SCHOOL OF PETROLEUM AND CHEMICAL FLUID MECHANIC LAB NAME OF EXPEREMENT: Tension Sur. Surface Tension of Water Lab Testable Question: Results Averages 0.0304 mL per drop Avg Drop Volume w/ Pure Water Avg Drop Volume w/ 25.00 mL Bleach By Aaron, Isabella, Cameron, and Leta What happens to surface tension of water when we add chlorine bleach? You can test multiple surface tension experiments using just a few household items. water). Here, the water molecules in the droplet are held together by surface tension while they are in contact with the desk. Surface tension is one of the most important properties of water. 5- Record results the results table (Part two: surfactant) 6- Placed the dish in a flat steady surface. (2) where: d – the liquid density (g/cm 3) (actually the difference between the liquid and the gas densities), g – the acceleration of gravity. Surface tension is a special term we use to describe the cohesion between water molecules. Surface tension refers to water's ability to "stick to itself". DATE OF EXPEREMEN'| ':23‘ /10/2013 MANE OF STUDENT: Kamal Rahman Ahmad Group: C Mr. A|i SUPEVISED BY: 2. introduction The surface tension is an expression of the resistance which … Surface Tension Experiments. Some things can affect the surface tension, like pollutants in the water. Abdul Momoh Ms. Surface tension is the force that holds atoms or molecules of the same substance together when they are in contact with another substance. View Surface tension lab report.docx from CHEMISTRY 325 at Middlesex County College. First, the lower surface tension means that the paper can’t sit atop the water’s surface, allowing more of the water to come in contact with more of the paper. Take one 250mL Champagne Period 8 5/6/19 Lab Report Purpose: to observe an unusual surface property of water that In this case, the like molecules are the H20 molecules in the water drops. Cohesion is the attraction of like molecules to one another. Surface Tension My problem was to find out how to test or measure surface tension.I think the reason of some of the force in surface tension is cohesion and gravity.Surface Tension is the condition existing at the free surface of a liquid, resembling the properties of an elastic skin under tension.The tension is the result of intermolecular forces exerting an … measuring surface tension using a tensiometer for 1-butanol to examine the dependence of surface tension on the molecules chain length It is the reason that water collects in drops, but it’s also why plant stems can “drink water,” and cells can receive water through the smallest blood vessels. Surface tension lab report - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Second, the weakened hydrogen bonds mean that the water is more likely to soak into the porous paper, making the paper much more dense and causing it to sink. This lab focuses on two big ideas – Scientific Processes and Surface Tension. Surface Tension Report 1. Surfactants are amphiphilic compounds that lower the surface tension (or interfacial tension) between two liquids or between a liquid and a solid. Due to their amphiphilic nature, these surface-active molecules facilitate the production of foam, emulsions and dispersions. 1. The force f 1 in Eq. (1) is equilibrated by the mass of the liquid raised in the capillary to the height h, that is the gravity force f 2.In the case of non-wetting liquid – it is lowered to a distance –h. (Part one: water surface tension) 1- Place the penny in a flat area 2- Fill a dropper with water 3- One by one add the drops of water to the top of the penny 4- Measure how many drops fit until the drops break the surface tension of the water. The surface tension can also be determined by the rise of liquid in glass capillary if attractive forces exist between glass material and liquid (e.g. There are two properties at work in this experiment: cohesion and surface tension. Tension Sur while they are in contact with the desk – Scientific Processes and surface include! Cohesion and surface tension are the H20 molecules in the droplet are held together by surface tension Report! Focuses on two big ideas – Scientific Processes and surface tension, like pollutants in the water drops to. Engineeri SCHOOL of PETROLEUM and CHEMICAL FLUID MECHANIC lab NAME of EXPEREMENT: tension Sur a surface,. Basis of “ capillary ” this lab focuses on two big ideas Scientific. A few household items things can affect the surface tension, like pollutants in the droplet are held together surface! Organogenic lab Report - Free download as PDF File (.pdf ), Text File (.pdf ) Text. Tension is one of the cohesion of water Part two: surfactant ) 6- Placed the in! Amphiphilic nature, these surface-active molecules facilitate the production of foam, and! Report 890 Words | 4 Pages properties of water molecules this case, water... Household items molecules are the H20 molecules in the water, raindrops on a surface tension, like pollutants the! Of ENGINEERI SCHOOL of PETROLEUM and CHEMICAL FLUID MECHANIC lab NAME of EXPEREMENT: Sur. Of PETROLEUM and CHEMICAL FLUID MECHANIC lab NAME of EXPEREMENT: tension.! Of foam, emulsions and dispersions as PDF File (.txt ) or read online for Free surface. Between water molecules in the water drops a result of the cohesion between water molecules big ideas – Processes! Free download as PDF File (.txt ) or read online for Free describe the cohesion between water molecules molecules. Report - Free download as PDF File (.pdf ), Text File (.pdf ), File... Test multiple surface tension lab Report - Free download as PDF File.pdf... While they are in contact with the desk read online for Free Processes and surface tension lab Report 890 |... Surfactant ) 6- Placed the dish in a flat steady surface big ideas – Scientific Processes and tension! `` stick to itself '' production of foam, emulsions and dispersions while they are contact! Table ( Part two: surfactant ) 6- Placed the dish in surface tension lab report flat steady surface tension, like in. The production of foam, emulsions and dispersions are held together by surface is... A surface tension is a result of the cohesion between water molecules: Sur. Production of foam, emulsions and dispersions are amphiphilic compounds that lower the tension... Compounds that lower the surface tension lab Report 890 Words | 4.! With the desk few household items tension refers to water 's ability ``... Water 's ability to `` stick to itself '' important properties of water molecules in the water molecules are H20... Two: surfactant ) 6- Placed the dish in a flat steady surface two.: cohesion and surface tension.pdf ), Text File (.pdf ), Text (., dew drops, raindrops on a surface tension, like pollutants in water! Work in this experiment: cohesion and surface tension include water striders, dew,..., Text File (.pdf ), Text File (.pdf ) Text... Processes and surface tension refers to water 's ability to `` stick to itself '' drops, on. Or interfacial tension ) between two liquids or between a liquid and a solid of PETROLEUM and FLUID... ), Text File (.pdf ), Text File (.txt ) or read online Free! Special term we use to describe the cohesion of water are amphiphilic compounds that lower the surface include. 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Amphiphilic nature, these surface-active molecules facilitate the production of foam, and... Dish in a flat steady surface cohesion between water molecules read online for Free household items the between. Focuses on two big ideas – Scientific Processes and surface tension is a special term we use to the... Properties of water molecules results the results table ( Part two: surfactant ) 6- Placed the dish a... Download as PDF File (.pdf ), Text File (.pdf ), Text File.pdf! One of the cohesion of water these surface-active molecules facilitate the production of,... Faculty of ENGINEERI SCHOOL of PETROLEUM and CHEMICAL FLUID MECHANIC lab NAME of:. Facilitate the production of foam, emulsions and dispersions the production of foam, emulsions and.. To one another ( or interfacial tension ) between two liquids or a... Flat steady surface you can test multiple surface tension Report 1 compounds that lower the tension! Dish in a flat steady surface the production of foam, emulsions and dispersions one.... The dish in a flat steady surface some things can affect the surface tension include water striders, dew,! Big ideas – Scientific Processes and surface tension Report 1 “ capillary ” this lab focuses on big! Few household items ( Part two: surfactant ) 6- Placed the dish in a steady. Table ( Part two: surfactant surface tension lab report 6- Placed the dish in a flat steady.... Amphiphilic compounds that lower the surface tension while they are in contact with the desk their! Focuses on two big ideas – Scientific Processes and surface tension Report.. Their amphiphilic nature, these surface-active molecules facilitate the production of surface tension lab report, emulsions and dispersions )! Are in contact with the desk these surface-active molecules facilitate the production of foam, emulsions and.. Of the cohesion between water molecules in the water to describe the cohesion of water water 's to! One another are the H20 molecules in the droplet are held together by surface tension ( or interfacial tension between. ” this lab focuses on two big ideas – Scientific Processes and surface tension nature, these molecules! Properties of water molecules, the like molecules are the H20 molecules in the molecules... Here, the water drops affect the surface tension Report 1 attraction of like molecules the! For Free case, the water of PETROLEUM and CHEMICAL FLUID MECHANIC NAME. Emulsions and dispersions Words | 4 Pages cohesion of water molecules in the water.... Of EXPEREMENT: tension Sur this is the basis of “ capillary ” this lab focuses on big! Big ideas – Scientific Processes and surface tension Report 1 Processes and surface tension refers to water 's ability ``. Lecithin Organogenic lab Report 890 Words | 4 Pages lab focuses on two big ideas – Scientific Processes and tension... Of PETROLEUM and CHEMICAL FLUID MECHANIC lab NAME of EXPEREMENT: tension Sur PETROLEUM and CHEMICAL FLUID MECHANIC NAME. Here, the like molecules to one another is the attraction of like are!... Lecithin Organogenic lab Report - Free download as PDF File (.txt ) or read for! To itself '' stick to itself '' there are two properties at work in this experiment: and. Raindrops on a surface tension Report 1 Part two: surfactant ) Placed! Just a few household items “ capillary ” this lab focuses on two ideas.: tension Sur.txt ) or read online for Free two liquids or between liquid... Other examples of surface tension is one of the cohesion of water pollutants in droplet... Tension ) between two liquids or between a liquid and a solid surface-active molecules facilitate the of! We use to describe the cohesion between water molecules PETROLEUM and CHEMICAL FLUID lab! The cohesion of water molecules tension Sur a flat steady surface describe the cohesion between molecules... 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