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Essays on Physical chemistry

We found 44 free papers on Physical chemistry

Bose-Einstein Сondensation – Superfluids

Chemistry

Materials science

Nature

Phases of matter

Physical chemistry

Physics

Quantum mechanics

Words: 1371 (6 pages)

“As we shall see, it is generally believed that the phenomenon ofsuperfluidity is directly connected with the fact that the atoms of helium-4obey Bose statistics, and that the lambda-transition is due to the onset of thepeculiar phenomenon called Bose condensation.” (Leggett, 1989)  This is the phenomenon wherein the bosons (a type of particle)making up a…

Properties Of Ionic Compounds Lab

Chemistry

Electromagnetism

Iron

Materials science

Nature

Physical chemistry

Water

Words: 856 (4 pages)

A substance must overcome its physical property, specifically the imperative of the environment at which the substance can melt. 3. Describe what is necessary for a substance to be a conductor Of electricity. In order for a substance to be a good conductor of electricity, there must be charged particles in the substance, ions or…

Oxidation Lab Report

Alcohol

Chemical Engineering

Chemical Reaction

Chemistry

Distillation

Physical chemistry

Words: 614 (3 pages)

Introduction The purpose of the experiment was to oxidize and identify an unknown alcohol using hypochlorite, or household bleach. During the experiment, the bleach oxidized the secondary unknown alcohol into a liquid ketone which was distilled or boiled to find the boiling point and then identified using a chart of unknown identities and boiling points….

Powder Metallurgy Lab

Chemical Engineering

Chemistry

Materials science

Metals

Nature

Physical chemistry

Words: 836 (4 pages)

Introduction The purpose of this lab is to create two material samples through the process of powder metallurgy. After these samples have been manufactured completely through this process then they are evaluated under a microscope. One sample was sintered, and the other one was in its original compacted state for a comparison of how sintering…

Experiment of Isopentyl Acetate Preparation by Direct Esterification

Chemical Engineering

Chemical Reaction

Chemistry

Distillation

Ph

Physical chemistry

Sodium

Words: 1346 (6 pages)

Experiment 12: Isopentyl Acetate 19 October 2012 Introduction: The purpose of this experiment is to prepare isopentyl acetate by direct esterification of acetic acid with isopentyl alcohol. After refluxing there is an isolation procedure where excess acetic acid and remaining isopentyl alcohol are easily removed by extraction with sodium bicarbonate and water. The ester is…

Purification of Acetanalide by Recrystallization

Chemical Engineering

Chemistry

Materials science

Nature

Phases of matter

Physical chemistry

Words: 497 (2 pages)

Objective: Separate and purify acetanilide from a mixture by recrystallization. Compare the melting points of crude and recrystallized acetanilide. Introduction : The most common method of purifying solid organic compounds is by recrystallization. In this technique, an impure solid compound is dissolved in a solvent and then allowed to slowly crystallize out as the solution…

Wave-Particle Duality

Atomic physics

Light

Physical chemistry

Physics

Quantum mechanics

Science

Waves

Words: 1543 (7 pages)

The study of the nature of light is an important research area in modern physics. Many, including the theoretical physicist Albert Einstein, have contributed to theories involving light. Of these, the wave-particle duality is arguably the most strange and noteworthy concept in the field. Throughout history, some physicists have argued that light behaves as a…

Prototype Nickel Tin Catalytic Converter

Acid

Chemical Reaction

Chemistry

Iron

Osmosis

Physical chemistry

Words: 5452 (22 pages)

CHEMISTRY (Theory) Time allowed : 3 hours General Instructions: (i) All questions are compulsory. Maximum Marks : 70 (ii) Marks for each question are indicated against it. (iii) Question numbers 1 to 8 are very short-answer questions and carry 1 mark each. (iv) Question numbers 9 to 18 are short-answer questions and carry 2 marks…

Polyetene Research Paper polyethene

Chemistry

Materials science

Nature

Organic chemistry

Organic compounds

Physical chemistry

Polymers

Words: 1209 (5 pages)

Polyetene Essay, Research Paper polyethene – suctions arse dosn ’ t it! ! ! Year 11 Chemistry Unit 1 POLYETHENE-ain ’ t it pick! word count: 1131 Polyethene besides known as polythene or polyethylene, was the first of the polymers to be discovered. Polyethene is a polymer produced by responding O and ethylene, in this…

The Ammonia Fountain Experiment

Chemistry

Physical chemistry

Water

Words: 472 (2 pages)

To set the ammonia fountain experiment up I made sure I had all the materials the lab required me to have which was: a Florence Flask, a 600 mL beaker, a Mohr pipet, distilled and tap water, a polyethylene wash bottle, a phenolphthalein indicator, concentrated ammonium hydroxide, sand, a heating mantle, a ring stand, clamps,…

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