Essays Tagged: "liquids"

All about Pneumonia

deadly infection or inflammation of your lungs. The air sacs in the lungs fill with mucus and other liquids. When this happens oxygen has trouble reaching your blood. When there is too little oxygen i ...

(3 pages) 98 0 3.0 Jun/2002

Subjects: Humanities Essays > Health & Medicine

Fractional Distillation and Gas Chromatography

ng or purifying a liquid or mixture by vaporization and condensation. In a simple distillation, the liquids being separated boil below 150 0C at 1 atmosphere from nonvolatile impurities and another li ...

(8 pages) 103 0 3.5 Jun/2002

Subjects: Science Essays > Chemistry

Air Polution

ability to prevent air pollution.Air pollution is the presence in the atmosphere of harmful gases, liquids, or solids. Air pollution, known as smoke pollution for many years, resulted from coal combu ... sion of smoke and light. Another method wherein gases contaminate with vapors from volatile organic liquids are recovered by containing the vapor- containing gas in an absorbed tower with a sponge oil ...

(6 pages) 175 0 3.0 Nov/1996

Subjects: Science Essays > Environmental Science

Why does water expand when it is frozen?

Water behaves differently than almost all other liquids because it expands when it is frozen. As a liquid is cooled down the molecules move more slo ...

(1 pages) 64 1 3.0 Dec/2002

Subjects: Science Essays

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

xamine why ice floats they would discover something very unique about water molecules. Unlike most liquids, water expands when it becomes solid. As the temperature reaches 0ºC, the hydrogen bonds p ... neath ice in ponds, lakes, etc, despite below freezing temperatures. If water were more like other liquids life would not be possible through freezing temperatures.The surface tension of water, be ...

(2 pages) 57 0 4.0 Dec/2002

Subjects: Science Essays > Biology

Functions of organs in the digestive system,(BASIC)

terior to the submandibular ducts.EsophagusThe esophagus is a muscular tube, which carries food and liquids from the throat to the stomach for digestion after it has been chewed. The food then travels ... artially digested food from the stomach, most of the nutrients area absorbed into the blood and the liquids and bodily waste everyday.AppendixMost digestion takes place almost continuously in a watery ...

(2 pages) 115 0 4.2 Dec/2002

Subjects: Science Essays > Biology > Human Biology

Phases of matter and vapor pressure.

o we describe phase changes?What are the phases of matter?The four phases of matter include:oSolidsoLiquidsoGasesoPlasmasA phase change involves a change in the physical state of a substance from one ... les of a solid are held together y strong attractive forces, solids have a definite shape and volumeLiquidsThe physical state of matter characterized by particles that value the ability to slide past ...

(4 pages) 29 0 2.0 Nov/2003

Subjects: Science Essays > Chemistry

A project on the human esophagus

usThe esophagus is in the digestive system .The esophagus is a muscular tube which carries food and liquids from the throat to the stomach for digestion after it has been chewed and softened in the mo ... hagus when they swallow something too large, try to eat too quickly, or drink very hot or very cold liquids. They then feel the movement of the food or drink down the esophagus into the stomach, which ...

(2 pages) 22 0 2.0 Jan/2004

Subjects: Humanities Essays

Points on the esophagus in the digestive system.

-The esophagus is in the digestive system.-The esophagus is a muscular tube which carries food and liquids from the throat to the stomach for digestion after it has been chewed and softened in the mo ... hagus when they swallow something too large, try to eat too quickly, or drink very hot or very cold liquids.-They then feel the movement of the food or drink down the esophagus into the stomach, which ...

(1 pages) 21 0 3.0 Jan/2004

Subjects: Humanities Essays

The Life of Dmitry Ivanovich Mendeleyev.

nvestigations of his include the study of the chemical theory of solution, the thermal expansion of liquids, the nature of petroleum, and others.His story begins in Tobolsk, a Western city in the vast ...

(5 pages) 36 0 5.0 Jan/2004

Subjects: Science Essays > Chemistry

Atoms, Molecules and Chemical Reactions

ecules. Gases are matter made of single atoms or molecules that are very far apart, moving rapidly. Liquids are made up of atoms or molecules that are closer together so you can see the substance, but ... ms or molecules that are closer together so you can see the substance, but they still move a lot so liquids flow and take shape of the container they are in. Solids are atoms and molecules that are ja ...

(2 pages) 53 0 3.9 Feb/2004

Subjects: Science Essays > Chemistry

Investigating the factors which effect the heating up of a liquid

icles that need to gain kinetic energy therefore the liquid would take longer to heat up. Different liquids have different specific heat capacities and so if we varied the liquid then we would find th ...

(4 pages) 19 0 0.0 Mar/2004

Subjects: Science Essays > Physics

Sound: More Than What You Hear

sounds that we hear travel in air, which scientists classify as a gas. But sound can also travel in liquids and solids. Sound travels most rapidly in solids, and more rapidly in liquids than in gases. ... t one is denser than the other, sound will travel more slowly through the denser medium.In general, liquids and solids are denser than air. But they are also much less compressible. Therefore, sound t ...

(18 pages) 115 0 3.9 Mar/2004

Subjects: Science Essays

Corrosion in Heat Exchangers

Heat exchangers are commonly used to transfer heat from steam, water, or gases, to gases, or liquids. Some of the criteria for selecting materials used for heat exchangers are corrosion resista ...

(1 pages) 38 1 3.8 Apr/2004

Subjects: Science Essays > Engineering > Mechanical Engineering

Corrosion in Heat Exchangers

ductionHeat exchangers are commonly used to transfer heat from steam, water, or gases, to gases, or liquids. Some of the criteria for selecting materials used for heat exchangers are corrosion resista ... ning bolts.Section 2Corrosion Problems/Prevention/AdvantagesHeat exchangers are designed to contain liquids, gases and solids such that a loss of containment does not occur. Leaks or the mechanical or ...

(9 pages) 45 0 4.1 Apr/2004

Subjects: Science Essays > Engineering > Mechanical Engineering

The history of the atomic theory. This essay discusses Aristotle, Democritus and Alchemy.

scribed gas as containing rapidly vibrating atoms, solids as containing highly condensed atoms, and liquids as containing viscous atoms.Democritus was surprisingly close to the truth, but his theories ...

(3 pages) 23 0 0.0 May/2004

Subjects: Science Essays > Chemistry

THG Steroids

Steroids are muscle-enhancing substances taken in the form of needles, pills or liquids. They are used to gain muscle mass and to increase performance in any strenuous activity. Mo ...

(2 pages) 44 0 5.0 May/2004

Subjects: Humanities Essays > Health & Medicine > Drugs

Everything About Organic Compounds

n be achieved. The steps of fractional distillation are as follows:1. The mixture of liquids is heated up to 600˚C2. The mixture boils, forming gases; most substances in mi ... onds. The first four members of the alkane homologous series are gases and the next 12 are volatile liquids at room temperature and pressure. Alkanes are non-polar molecules which means they dissolve ...

(11 pages) 46 0 3.0 Jun/2004

Subjects: Science Essays > Chemistry

Compare American beliefs or values with your country. List some differences such as culture, relegion, food, etc.

y food is because it never been sold in there. In Ukraine they eat their own made food and a lot of liquids like various kinds of soups with different kinds of ingridience like potatoes, carrots and t ...

(1 pages) 53 1 4.0 Jul/2004

Subjects: Literature Research Papers > Creative Writing > Comparative Essays

Chemistry 10 Study Notes for Matter and Bonding / Bond Types.

fferent things: cereal in milk, rocks & sand) Suspension (particles are clumped 2gether, liquids: orange juice & pulp) Diatomic Elements It can join 2gether w/ itself ... cal Clear Ionic Compounds Non-metal & metal Conducts electricity in liquids & solutions Atoms are just "repelled/pushed" to stay in place Electrons ar ...

(3 pages) 28 0 0.0 Sep/2004

Subjects: Science Essays > Chemistry