Essays Tagged: "Surface tension"

Surface Tension

Surface Tension My problem was to find out how to test or measure surface tension. I ... m was to find out how to test or measure surface tension. I think thereason of some of the force in surface tension is cohesion and gravity. Surface Tension isthe condition existing at the free surfac ... tension is the result of intermolecular forces exerting anunbalanced inward pull on the individual surface molecules; this is reflected in theconsiderable curvature at those edges where the liquid is ...

(2 pages) 48 0 4.8 Jan/1997

Subjects: Science Essays > Physics

The Properties of Water By Jeff Collmann What are some properties of water and how do they work?

perties include: water in the solid state is less dense than in its liquid state, water has a large surface tension, and water is a polar molecule. Properties like these three make life possible.F ... water were more like other liquids life would not be possible through freezing temperatures.The surface tension of water, believe it or not, has a more practical benefit than allowing you to fill ...

(2 pages) 57 0 4.0 Dec/2002

Subjects: Science Essays > Biology

Biochemical processes and strutural attributes of the human respiratory system

ny, almost non-existent space, called the pleural cavity, filled with serous fluid, creating enough surface tension to act as glue, Figure 2 shows the arrangement.Thus as the parietal pleura is drawn ... ir-filled sacs that are surrounded by capillaries (figure 4), this arrangement produces an enormous surface are for gas exchange; oxygen diffuses through the alveoli and capillary walls and then into ...

(11 pages) 124 1 4.6 Feb/2003

Subjects: Science Essays > Biochemistry

Water.

gether (cohesion). This gives water the specific shape of edge, elevation, rate of evaporation, and surface tension.Due to hydrogen bonding, water has a high heat capacity, which makes it different fr ...

(1 pages) 502 1 1.7 Nov/2005

Subjects: Science Essays > Biology

Special attributes of Water: adhesive, cohesive, surface tension, heat capacity.

The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. With Surface tension molecules at the surface do not have other like molecules on a ... es of them and consequently they cohere more strongly to those directly associated with them on the surface. This forms a surface with a type of film barrier that makes it more difficult to move an ob ... ms a surface with a type of film barrier that makes it more difficult to move an object through the surface than to move it when it is completely submersed or slightly more difficult to break through ...

(2 pages) 22 0 3.4 Apr/2006

Subjects: Science Essays > Chemistry

The chemistry of water

he roots. The water brings along important nutrients also. This process is called capillary action. Surface tension is also formed because of cohesion. Water molecules along the surface of the water a ...

(2 pages) 25 1 2.0 Jun/2007

Subjects: Science Essays > Chemistry

A Thing To Remember

In this experiment, I tested for surface tension in liquids and I think I obtained very accurate results. My results are accurate bec ... ht of a few new questions that have come to me: "Does the amount of sugar or carbonation affect the surface tension of the liquid?" In addition, another one is "What if I used 2% milk instead of ...

(1 pages) 334 0 0.0 May/2001

Subjects: Social Science Essays > Psychology

Bubbles Research Paper

manufacturers use steel tanks holding thousands of pounds of ingredients.A component of soap called surface-active agents or surfactants allow soap to remove grease and other dirt. "Surfactants consis ... ant increases the wetting ability of water by making the water spread out. The reduction of water's surface tension is what makes this happen. Then the particles of dirt are removed from the material. ...

(5 pages) 21 0 4.6 Sep/2001

Subjects: Science Essays > Chemistry

Leonardo Da Vinci Shows Science In Art

alled "two currents meet, with obstacles". It deals with density, viscosity, compressibility, surface tension, and adhesion. It also deals with how pressure increases. Another piece of artwork h ... gentle glow across its unilluminated parts. It deals with the reflectivity of the moon and earth's surfaces as the continually changing of the positions of the sun."Diverting a river", st ...

(1 pages) 303 0 0.0 Oct/2001

Subjects: Literature Research Papers

Detergents

e1. Testing Foam Height Why do we use detergents? Water, by itself is not very effective in wetting surfaces. This is because water molecules prefer to cohere to each other rather than to the surface ... ergents contain active ingredients called surfactants. Surfactants are responsible for reducing the surface tension of water, allowing it to wet a surface more effectively.The experiment "The Wetting ...

(3 pages) 1627 0 0.0 Oct/2001

Subjects: Science Essays > Chemistry

Biotechnology

r molecules stick to one another because of hydrogen bonding. This water property, called also as a surface tension, acts an important role in as the significance to living organisms as the strong sur ... rganisms to be attached below or supported above. or example a pond-skater can float or walk on the surface of the water. Since the water is a great solvent, many substances easily dissolves in it. It ...

(3 pages) 2203 0 0.0 Jan/2008

Subjects: Science Essays > Biology

Untitled

squamous epith. 150 million Alveolar macrophages- engulfing dust and particles- surfactant reduces surface tension within the alveoli to keep them inflated in exhal Squamous epith of a- basement mem- ...

(2 pages) 534 0 0.0 Feb/2008

Subjects: Science Essays > Biology > Human Biology

japan

(2 pages) 0 0 0.0 Oct/2013

Subjects: Area & Country Studies Essays