flare CF-RAY: 3df8000de8fc4f3e-DME Chemistry Essays | Free Essays on Chemistry

Chemistry Essays

Search to find a specific chemistry essay:

Back to Essays Index

Synthesis and Characterization of a New Aromatic Diamine

The synthesis and characterization of a new aromatic diamine, 2,5-bis-(aminopyridine-2-yl)-1,3,4-oxadiazole (BAPO), containing pyridine and 1,3,4-oxadiazole moieties has been reported. An organophilic clay has been...

Identification of Unknown Macromolecule

Heike Behr Aim The purpose of this lab was to use the scientific method to identify an unknown solution, based on the reactions (i.e. color...

3t-Alkyl-2r,6c-diarylpiperidin-4-ones: Synthesis

3t-Alkyl-2r,6c-diarylpiperidin-4-ones Synthesis A very convenient and non-laborious one-pot synthesis method developed by Noller and Baliah [50] has been used successfully for the synthesis of 3t-alkyl-2r, 6c-diarylpiperidin-4-ones...

Rare Earth Doped Upconverting Nanoparticles

Rare Earth Doped Upconverting Nanoparticles: Synthesis and Application in Bio-Imaging Nidhi Malviya1, Vinita Rajput Chouhan1, Sudeshna Ray2   ABSTRACT Upconversion luminescence, a nonlinear process, which re-emits a photon...

Determination of the End Point of the Acid Base Titration

Marwan Mohsen Mohamed Table of Contents (Jump to) Introduction Acids and Bases Properties of acid Strengths of Acids and Bases ...

Structure, Physical Properties and Uses of Metals

Jason Thien FS Introduction Metals account for about two thirds of all the elements and about 24% of the mass of the planet....

Effect of Selective Serotonin Reuptake Inhibitors (SSRIs)

Lynnette Chan Do Selective Serotonin Reuptake Inhibitors (SSRIs) Negatively Affect Memory? Selective serotonin reuptake inhibitors (SSRIs) are the most common antidepressants prescribed to treat moderate to...

Structure of Water and Its Dynamic Hydrogen Bond Network

Introduction Water is essential to life as it is main constituent of cell in living organism. All biological macromolecules are almost inactive in its structural...

Synthesis, Characterization and Thermal Studies of NDPAH

Synthesis, characterization and Thermal Studies of a Bis {N- (2, 4- dinitro- phenyl) - N- (3- phenyl- allylidene)- hydrazine} Uranyl (VI) nitrate [UO2(NDPAH)2]2+ Shahriar Ghammamy, Sajjad...

Factors Effecting Voltage of Electrochemical Cells

Electrochemical Cells Simon Luu Electrochemistry is the science that studies this union of chemistry and electricity. Batteries and fuel cells utilize spontaneous redox processes to convert...

Hazard Identification in a Combined Cycle Power Plant

Fire and Explosion Hazard Identification in a Combined Cycle Power Plant ABSTRACT INTRODUCTION Fire and Explosion are the most prevalent accidents at chemical and process industries which...

Use of Reversed-phase HPLC (RP-HPLC)

Introduction Reversed-phase HPLC (RP-HPLC) is one of the commonly used techniques in separation of a wide ranging of analyte based on differences in their structures....

Detection of Vanadium Using Immobilizing 4-(2-pyridylazo)

"Naked eye detection of vanadium using immobilizing 4-(2-pyridylazo)-resorcinol on functionalized HMS" Mohamad taghi Samadi1, Abas Afkhami2, Kadijeh Shamsi 1, *and Abdolmotaleb Said mohamadi1   abstract In this work,...

Determination of Uranium Concentration in Uranium Ore

Investigation of effective Parameters on determination of uranium concentration in uranium ore by X-ray fluorescence spectroscopy A. AliValiOllahi*, Gh. Alahyarizadeh, S. A....

Experiment on Size, Shape and Structures of Aggregates

Introduction Dye sensitized solar cells (DSSC) have made considerable attention because of their unique features for conversion of free, unlimited solar energy into electricity by...

Experiments in Quantum Mechanics

The theory of quantum mechanics developed when the classical theories of mechanics and electromagnetism were unable to provide explanation to the characteristics of atomic...

Methods for Sustainability in the Chemical Industry

Ola Agoro Table of Contents (Jump to) INTRODUCTION WAYS OF MAINTAINING SUSTAINABILITY IN THE CHEMICAL INDUSTRY 1. RENEWABLE AND CLEAN...

Use of Atomic Spectrometry in Pharmaceutical Analysis

Jie Pan Introduction Pharmaceutical analysis is a critical issue for human beings, not only to verify the effectiveness of drugs, but also for the safety issues....

ATR-FTIR Analysis for Oil Type Identification

Abstract Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (ATR-FTIR) analysis could greatly help in the identification of oil. By mere inspection of the IR spectra, saturated...

Formation Processes of Silicon Carbide

Effect of silicon carbide dispersion on the microwave absorbing properties of silicon carbide-epoxy composites in 2–40 GHz Yaw-Shun Hong, Tzu-Hao Ting, Chih-Chia Chiang, Ken-Fa Cheng   Abstract Wide-band,...

Liquid Phase Surface Nitriding of Al-5052

Abstract: Liquid phase surface nitriding of Al-5052 was performed using the heat of a TIG (tungsten inert gas) torch in a gas shielding which...

Synthesis of CNTs From Hydrocarbons Resources by CCVD

1. Introduction Carbon nanotube is one of the most promising candidates of nanomaterials which own wonderful mechanical, electrical, and thermal properties. With one hundred times...

Expression of Recombinant Green Fluorescent Protein (rGFP)

Expression and Purification of recombinant Green Fluorescent Protein (rGFP) from E. coli using Ni2+-Agarose Column Chromatography. Andrea Bustamante Janakikeerthika Darmarpandi   Abstract Green Fluorescent Proteins are vital components of...

Factors Affecting Reaction Rates: Experiment

Maria Angela R. Dulin and Felix P. Terencio Jr. ABSTRACT An area in chemistry that focuses on the speed or rate at which a chemical reaction...

Nickel-mediated Polymerization of Methyl Methacrylate

Abstract: The Ni(II) complexes [Ni(5-C5H3 R2)(X)(NHC)] 1a–f combined with MAO was tested in methylmethacrylate (MMA) polymerization. The complex 1f, bearing the bulky 2,6-diisopropenylphenyl substituents in...

Atomistic Fabrication Technology to Enhance Accuracy

Importance of Atomistic Fabrication Technology to Enhance Machining Accuracy During Electrochemical Machining of Metals Ritesh Upadhyay, Arbind Kumar P.K. Srivastava   Abstract Atomistic fabrication technology fully utilizes physical...

Solvent Effect on the Interaction of C20 and N2H2

Solvent effect on the interaction of C20 and N2H2: A theoretical study Reza Ghiasi*,1, Hanieh Alavi2   Abstract: In this work, the interaction of C20 and N2H2 fragment...

Determination of Adulterants in Honey Using HPLC Method

Determination of adulterants such as hydroxymethylfurfural (HMF) in honey using HPLC method 2. Materials and Methods 2.1 Materials Standard of hydroxymethylfurfural was purchased from sigma...

Artificial Neural Networks (ANNs) Experiment

Abstract Artificial neural networks (ANNs) is applied for prediction of product selectivity in biological sulfide removal. An experimental setup is constructed for...

Importance of Natural Product Synthesis

History of medicine dates back practically to the existence of human civilization. Historically, the majority of new drugs have been generated from natural products...

Enhancement of Polymeric Materials through Nanotechnology

Performance Enhancement of Polymeric Materials through Nanotechnology Dr. P.C. Thapliyal   Abstract: In the last decade or so, nanotechnology has gained tremendous and widespread attention. Currently, nanotechnology...

Structure and Chemical Composition of Silk

Silk: A Natural Polymer By: David Church “The Silk Road,” a trading route that can be traced back to over 3600 years ago, but still is...

Classification of Wastewater

Wastewaters are numerous in kind and defy easy definition. It is difficult to evolve a universal classification for 'waste'. However, roughly there are three...

Cell-Permeable Stapled Peptides from HIV1 Gene Products

Cell-Permeable Stapled Peptides Based on HIV-1 Integrase Inhibitors Derived from HIV-1 Gene Products Introduction HIV-1 Integrase (IN), is necessary enzyme for the replication of the virus...

Detection of Pesticides in Foods Using Chemiluminescence

Sensitive And Selective Detection of Pesticides in Foods Using Chemiluminescence Zhou Yan   Introduction Pesticides are widely used in agriculture to protect seeds and crops before and after...