Essays Tagged: "physical properties"

Analytical Chemistry

l analysis can characterize materials but determining their molecular structures and measuring such physical properties as pH, color, and solubility. Wet analysis involves the studying of substances t ... vailable instruments and chemicals. Test results may be an instrument reading, and observation of a physical property, or a chemical reaction. Reactions used in qualitative analysis may attempt to cau ...

(4 pages) 116 0 4.1 Jan/1996

Subjects: Science Essays > Chemistry


iron occurs in a free state in only a few localities, notably Greenland (Encarta, 1996). One of the physical properties of iron as an ore is its color which can be black, brown or even reddish. Hemati ... e mask on the shell of the football helmet. Steel is used for this purpose due to its strength. The physical properties of iron are totally changed once it has become steel and therefore good to make ...

(4 pages) 52 0 4.0 Mar/1997

Subjects: Science Essays > Chemistry

Research on the career of a pharmacist.

tand the use; clinical effects; and composition of drugs, including their chemical, biological, and physical properties. Compounding--the actual mixing of ingredients to form powders, tablets, capsule ...

(2 pages) 126 0 3.5 Jan/2003

Subjects: Humanities Essays > Health & Medicine

THE DUALIST DILEMMA. This essay is a critique of substance dualism, an ontology embodied by the likes of Rene Descartes. Specifically, the essay attacks several of Descartes own dualist principles.

pecifically represents a philosophic uneasiness in the idea that mind is merely a projection of the physical, containing no innate or self-defining properties. More specifically, as evidenced in the w ... seeks to ascribe a sort of substance quality to the mind, although quite distinct from that of the physical, in it's own realm so to speak. Further analysis shows that central to any dualist argument ...

(6 pages) 213 0 3.7 Mar/2003

Subjects: Humanities Essays > Philosophy > Modern Philosophy

Making Money Project: Chromium vs. Cadium.

racteristics of chromium can make a good coin. By doing so I will be talking about the chemical and physical properties that makes Chromium suitable for coining. I will be comparing another coin's ele ...

(2 pages) 28 0 0.0 Jun/2003

Subjects: Science Essays > Chemistry

The Green Anole (Anolis Carolinis): Physique, mating, and needs. Small reptile care.

le, or Anolis Carolinis. The life of one of these unique creatures comprises of numerous intriguing physical properties, interesting mating behavior, and invigorating physical needs.Overall, the physi ... ly larvae.Although anoles may show many appealing characteristics and behavior, they entail in many physical needs. They require to be fed every other day of a meal easiest consisting of small cricket ...

(2 pages) 22 0 4.0 Feb/2004

Subjects: Science Essays > Zoology

A Brief History of the Periodic Table

law; it orders the elements by increasing atomic number, displaying the periodicity of chemical and physical properties in the elements. The first contributions to the periodic table were made in anti ... ttern. His 1863 paper described how the elements could be organized into 11 groups based on similar physical properties. When he observed that many pairs of similar elements in the table differed by s ...

(3 pages) 48 0 4.8 Apr/2004

Subjects: Science Essays > Chemistry

Water and It's Pollution

n. Physical properties-the result of hydrogen bondingStudied in isolation, the water molecule is decept ... h birth defects.II Major Types of PollutantsThe major water pollutants are chemical, biological, or physical materials that degrade water quality. Pollutants can be classed into eight categories, each ...

(12 pages) 186 1 4.2 Apr/2004

Subjects: Science Essays > Atmospheric Sciences

Superparamagnetic's Limit

is the "superparamagnetic limit," a point in which bits are crammed together so tightly that their physical properties interfere with one another causing bits to flip and thus data to corrupt."(CPU, ... to corrupt."(CPU, 107). Hamr will heat the medium while recording in order to expand the amount of physical data can be stored on a disc. The theory behind this is "if you apply heat to a particular ...

(2 pages) 24 0 5.0 Jun/2004

Subjects: Science Essays > Technology

Different Aspects Of Science

ss divided by volume.This brings me to the more specific properties of matter. These are called the physical properties. Color, shape, hardness, and texture are all physical properties. Physical prope ... phase changes in matter are melting, freezing, vaporization, condensation, and sublimation. Though physical changes may occur, no new types of matter are formed. Melting is the change of a solid to a ...

(4 pages) 51 1 5.0 Jun/2004

Subjects: Science Essays

The History of the Periodic Table

ments that existed but not yet found. It helped people to interpret and understand the behavior and physical properties of various elements. The periodic table was developed and improved by scientists ... ndeleyev were the pioneers who started the concept of organizing elements in a table based on their physical and chemical properties. Scientists back then suggested that an element is something can no ...

(2 pages) 61 1 4.8 Jun/2004

Subjects: Science Essays > Chemistry

Experiment 1: IR Unknown/Spectroscopy Assignment FOURIER-TRANSFORM INFRARED SPECTROSCOPY

upon its spectral data.Main Reaction: There is not reaction carried out in this experiment.Table of Physical Properties: (This is for both Part I and Part II) Source: and www ...

(4 pages) 41 0 4.0 Jul/2004

Subjects: Science Essays > Chemistry

In this chemistry experiment are objective was to separate the following materials depending on their physical properties. The materials are as follow; sand, salt, lead and iron.

this chemistry experiment are objective was to separate the following materials depending on their physical properties. The materials are as follow; sand, salt, lead and iron. We had to use the follo ... all the materials together we were sent to the lab to separate each of them, by using each special physical property. First we separated the most noticeable and biggest material that was the lead beb ...

(2 pages) 26 0 3.0 Oct/2004

Subjects: Science Essays > Chemistry

Gluten content, gas retention and physical properties of starch in selected flours

Gluten content, gas retention and physical properties of starch in selected flours.Abstract: This experiment has three parts; p ...

(7 pages) 45 0 0.0 Aug/2005

Subjects: Science Essays > Biology

Diamond and Graphite.

haped in cubes. Each carbon atom is bonded with three neighbours. They are shaped hexagonal.PHYSICAL APPERANCE Diamond is the hardest thing on earth. It is transparent and very brillia ... brilliant. Graphite is a very soft carbon. It is opaque and metallic and to earthy looking.PHYSICAL PROPERTIES Diamond is an insulator. No mineral can scratch a diamond but a diamond ...

(4 pages) 21 1 1.0 Oct/2005

Subjects: Science Essays > Chemistry

Pharmacist and Pharmacy

tand the use, clinical effects, and composition of drugs, including their chemical, biological, and physical properties. Compounding--the actual mixing of ingredients to form powders, tablets, capsule ... d prevent diseases and their symptoms. Pharmacists understand the effects of drugs on the body, the physical and chemical properties of drugs and dosage forms, the various ways to administer the medic ...

(4 pages) 82 0 5.0 Feb/2006

Subjects: Humanities Essays > Health & Medicine

Isotopes in Society: Xenon

by the number of protons in the nucleus, and differs by the number of neutrons. Thus, they vary in physical properties, but all have very similar chemical properties, and electronic structure. The re ...

(4 pages) 29 0 4.2 Mar/2006

Subjects: Science Essays > Earth Sciences

Periodic table

rted the ideas of periodicity suggested a few years earlier by John Newlands. Meyer plotted various physical properties (melting points, boiling points, density) of the known elements against their re ... s are in group 3, etc.We can then say that elements within the same group have similar chemical and physical properties. For instance group 1 metals all have low melting points and are very soft. Meta ...

(5 pages) 35 0 4.5 Jun/2006

Subjects: Science Essays > Chemistry

The Importance of Water in Living Organisms

ter has importance inside cells and externally. This may be because it has interesting chemical and physical properties; it can be found naturally in all three of its states. However its molecules are ... finally water filters out harmful ultra-violet rays from the sun.Water's unique role is due to its physical and chemical properties, they allow water to act as an excellent solvent because of its pol ...

(3 pages) 13 0 2.3 Jun/2006

Subjects: Science Essays > Biology

Alkanes & Alkenes

AlkanesPhysical properties:The chemistry of carbon compounds is called organic chemistry. There are million ...

(2 pages) 17 0 2.0 Jun/2006

Subjects: Science Essays > Chemistry