Mr Serghei Zaitev

Academic Writer

Serghei Zaitev
713
Articles Published

Serghei is a freelance academic writer specialising in supporting/tutoring chemistry students. He started working as a writer immediately after graduating from the University of Liverpool in 2011. Currently, in his role at UK Essays, he supports students with science essays, assignments, term papers, dissertations (and viva speeches), posters and presentations.

Areas of Expertise

Chemistry

Articles by Serghei Zaitev

The element copper

Essay. Published: 1 January 2015

Introduction Copper, elemental symbol Cu, is a transition d-block metal, and is the least reactive of the first row metals. Copper can have the oxidation states +1 and +2 and can form many complexes w…

The substitution reactions

Essay. Published: 1 January 2015

Acknowledgement The preparation of this project on the topic-” substitution reactions.”: a profile’ would not have been possible without the valuable contribution of my TEACHERS. I w…

Electrochemical battery

Essay. Published: 1 January 2015

HISTORY An early form of electrochemical battery called the Baghdad Battery may have been used in antiquity. However, the modern development of batteries started with the Voltaic pile, invented by the…

Using Spectrophotometer to measure the concentration of compounds

Essay. Published: 1 January 2015

The spectrophotometer can measure the intensity of light absorbed indirectly by the solutes in solution because each solution has its own characteristic absorption chattels. The spectrophotometer can …

Recrystallising acetanilide

Essay. Published: 1 January 2015

The aim of this experiment is to establish the most suitable solvent required for recrystallising acetanilide, and to exhibit the methods of vacuum filtration and recrystallisation. Experimental Metho…

Synthesised by living organisms

Essay. Published: 1 January 2015

Definition of biopolymer: Biopolymers are naturally occurring polymers which are synthesised by living organisms. This synthesis can occur either internally within an organism’s structure, or…

Carbon nanotubes

Essay. Published: 1 January 2015

Introduction Carbon nanotubes are the allotops of carbon , they have a cylindrical nano structure. Nano structure are construct with a length to diameter ratio of 28000000:1 , this is significantly …

Natural gas as source of energy

Essay. Published: 1 January 2015

ACKNOWLEDGEMENT I Munish kumar of B.Tech MBA (IT) want to express my intense feeling and experienced that I had while making this term paper. I am really thankful to our Chemistry Mam ‘Mrs. Soni…

Exploring The Chemistry Of Textiles Chemistry Essay

Essay. Published: 1 January 2015

Textile chemistry is primarily an applied form of chemistry. It is a highly specialized field that applies the principles of the basic fields of chemistry to the understanding of textile materials and…

Ethylene glycol

Essay. Published: 1 January 2015

Summary Ethylene Glycol is a much sought after organic compound belonging to the diols family. It is colourless, odourless and is miscible in water and most organic compounds. It was first synthes…

Hydrogenating ability of Wilkinson’s catalyst

Essay. Published: 1 January 2015

Wilkinson’s catalyst was prepared from rhodium (III) chloride and refluxed in ethanol with triphenylphosphine, with a measured yield of 72.7%. The efficacy and regioselectivity of Wilkinson&#821…

Microchip

Essay. Published: 1 January 2015

INTRODUCTION TO THE TOPIC A microchip (sometimes just called a “chip”) is a unit of packaged computer circuitry (usually called an integrated circuit) that is manufactured from a material …

Formaldehyde in green chemistry

Essay. Published: 1 January 2015

1.0 INTRODUCTION Formaldehyde is the first member of the aldehyde family (CH2O) and is the most important aldehyde in the environment.3 It is a naturally occurring chemical and a by-product of mos…

Chemistry Essays – Essential Fatty Acids

Essay. Published: 1 January 2015

A discussion on the role of essential fatty acids in human health. Introduction: Fatty acids are important components of lipids (fat-soluble components of living cells) in plants, animals, and microor…

Functioning of freeze drying equipment

Essay. Published: 1 January 2015

1.0 Introduction This report is on the usage and functioning of freeze drying equipment. In this first chapter the principle of the sublimation process and applications of freeze drying equipement…

Mixing liquids and solids

Essay. Published: 1 January 2015

Aim The experiment aimed to discover how different types of substances interact together: water, hexane, ethanol, potassium carbonate, copper sulphate, sodium, iodine, and potassium. Introduction Mixi…

The Practice And History Of Alchemy Chemistry Essay

Essay. Published: 1 January 2015

Alchemy, derived from the Arabic word al-kimia (ØÙ„ÙƒÙŠÙ…ÙŠØØ¡, ALA-LC: al-kÄ«miyā’), is both a philosophy and an ancient practice focused on the attempt to change base meta…

Chemistry Essays – Ethanoic Acid

Essay. Published: 1 January 2015

The characteristic smell of vinegar comes from the inclusion of ethanoic acid. The characteristic smell of vinegar comes from the inclusion of ethanoic acid (CH3COOH), also known as acetic acid.  How…

Reaction of ligand substitution

Essay. Published: 1 January 2015

Abstract The purpose of this lab was to study ligand substitution in the preparation of Mo(phen)(PPh3)(CO)3 from Mo(CO)6, 1,10-phenanthroline, and triphenylphosphine. The intermediate product of Mo(ph…

FTIR spectroscopy of SO2

Essay. Published: 1 January 2015

Abstract In this lab, the IR spectrum of SO2 gas was taken. The spectrum was then used to determine which peaks corresponded to the vibrational modes of SO2­. Once the modes had been determined, the …