Chemistry essays

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Materials For Removal Of Heavy Metals And Dyes From Wastewater

3 Pages 1306 Words
Abstract Disposal of heavy metals from industrial effluents in natural water bodies have been major preoccupation from many years because of their toxicity towards aquatic life, human beings and the environment. Numerous methods for the wastewater treatments are reported in last two decades. Present study reviews the recent developments, efficiency and usefulness of various methods for the removal of heavy...

Heavy Metals In The Aquatic Ecosystem Of An Urban Lake In Kashmir Himalayas

6 Pages 2621 Words
Abstract Contaminations by heavy metals in aquatic ecosystems strongly affect foodchain relationships through the process of biomagnification. Heavy metals (i.e. Fe, Cu, Mn, Pb, Zn, Cd, Cr, and Co) were determined from sediment, water and macrophytic species (Ceratophyllum demersum, Phragmites australis, and Potamogeton crispus) of Nigeen lake. The concentration of different heavy metals was determined using atomic absorption spectrophotometer. The...

Improving Survival Of Earthworm In Polluted Soil With Heavy Metals

5 Pages 2400 Words
In the world today, pollution of different kinds is being abundant and distributed throughout the world. These pollutions include land, water, and soil pollution to mention a few. One of which that contributes in this continuous phenomenon is the contamination of heavy metals on all aspects. Heavy metals such as Mercury (Hg), Lead (Pb), Cadmium (Cd), etc., affect all life...

Observing C. Elegans Chemotaxis Response To Sodium Chloride

5 Pages 2144 Words
General Background Caenorhabditis elegans, or C. elegans are a common worm-like organism that live in the soil of temperate climates. They are eukaryotic, and are often used in biological research as they are very easily characterized and are able to be bred inexpensively and easily. They have two sexes: hermaphrodites which have 956 somatic cells, and males, which have 1031...

The Conformance Of Urine pH With Tongue Rolling

1 Page 678 Words
Abstract As with density, there are typical but not 'abnormal' waste proton concentration values. The urine is typically slightly acidic, about pH 6, but can vary from four.5-8. The kidneys play a really necessary role in maintaining the equilibrium of the body. The study on tongue rolling Reincynomolgus monkey shown that the motor nerves of the medial division of hypoglossol...
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Improvement Of Polyamide Reverse Osmosis Membranes By Coating With Ag/chitosan Nanodispersion Prepared By Gamma Radiation

5 Pages 2413 Words
Abstract Silver/Chitosan nanodispersion (Ag/CS) prepared by gamma ray was used to modify the thin-film composite reverse osmosis (RO) membrane. The silver nitrate solutions were added to the chitosan solution with different concentrations of 5 to 20 (wt/wt %) and exposed to gamma radiation at different irradiation doses. The size of the silver/chitosan nanodispersion is investigated by transmission electron microscopy (TEM)....

Heavy Metal Accumulation In The Plant Parts Of Cassia Fistula

3 Pages 1356 Words
Abstract Metal pollution in soil poses a serious threat to the human health and safety of agricultural products. To study the entry of nine heavy metals in the medicinal plant Cassia fistula,a field survey was conducted in forest areas of Adilabad District, Telangana State, India and labstudies were carried out at Department of Botany, Osmania University, Telangana, India. The present...

Alternative Carbohydrate Sources For Low-carbs Diet

3 Pages 1203 Words
Carbohydrate is one of the most important food substance which is needed for a complete diet for anyone. But, the diet plan works differently for everyone, as the body type and the metabolism quality is not the same for everyone. To maintain a good health and a nice shape of body, everyone should consider their diet as one of the...

Heavy Metal Pollution Of Road Drainage Systems And Remedies

5 Pages 2356 Words
Introduction This chapter provides an introduction to the heavy metal pollution in road drainage systems while detailing the background of the heavy metal pollution, consequences and effects and sources of the pollution. Meanwhile it describes the path of the pollution and the how does it effect on the society as well as environment. General In recent times, urban areas as...

What Occurs If You Eat A Lot Of Salt

2 Pages 753 Words
Do you know that our phrase for wage comes from the Roman troopers receiving a part of their pay in salt? Salt is vital to world historical past and allowed us to protect the meat. Salt can also be vital to how effectively your physique operates. Too little salt in your eating regimen is harmful. Nonetheless, most Individuals get an...
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Lignite Flotation In Inorganic Salt Solutions

7 Pages 3218 Words
Abstract The flotation of low-quality lignite coal in the presence of NaCl, MgCl2 and CaCl2 inorganic salts with/without the use of kerosene and MIBC as flotation chemicals was investigated in this study. In addition, the zeta potential and contact angle measurements were performed. The lignite sample exhibited a negative surface charge over a broad pH range and had no isoelectric...
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Commodity Investment: Copper Demand And Supply Trends

1 Page 492 Words
The Central banks' announcements and government policies influence the trade of commodities. The ECB, recently, hinted towards a rate cut which stimulated the slowing economy in the EU. The inflation expectations and growth have been downgraded over such announcements by the bank. The commodities like base metals copper underwent fluctuation during the trade war, over failing policy-related meetings and the...

Does Temperature Affect The Rate Of Reaction?

3 Pages 1451 Words
Rationale The big issue is that I want to see if chemical reactions will happen faster if they happen at different temperatures. So, I will see if iodine solution and starch solution will react faster if they are at room temperature, at 40 degrees and if they are cold. So, I will be recreating the Iodine Test Background Research: The...

Constraints And Challenges Faced By Salt Farmers In Occidental Mindoro

4 Pages 1944 Words
ABSTRACT This is a descriptive case study which endeavored to find the profile of the salt farm owners and farmers, their salt production characteristics in terms of size of farm used in salt production, material used for salt beds and use of the salt produced. Additionally, this also found the warehousing and packaging practices as well as the constraints and...
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Bio-Ethanol Fuel Production From Rotten Banana Waste

2 Pages 673 Words
The unsustainable energy resources like fossil fuel are going to be depleted in the next few decades and the trends in bio-fuel production from biomass are gaining popularity to encounter the expected energy crisis in the world. Ethanol is the most widely used liquid bio-fuel and is produced as a result of fermentation process from sugars, starches or cellulosic biomass...

A Review On Phytoremediation Of Heavy Metals-Concepts And Applications

5 Pages 2153 Words
Abstract Heavy metals beyond the threshold concentration in nature are often considered as phytotoxic. They cause damage to environment by affecting the soil fertility, biomass, crop yield and the human health. There are various approaches put forth by researches, but the most cost-efficient emerging remedy is been seen as phytoremediation; where the plants are itself involved partially or substantially in...

Elemental And Radioactivity Concentrations Of Jordan Dead Sea Salt, Himalayan Salt And Table Salt

5 Pages 2354 Words
ABSTRACT Salts are essential for life which primarily composed of sodium chloride (NaCl). It has been widely used in various ways such as food seasoning, food additives and even in beauty line for cosmetic products. However, through industrialization and human activities, the concentration of radioactive materials and toxic elements in salt might exhibit above the legal limit amount, resulting hazardous...
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The Effect Of Acidic pH And Sugar Free On The Stability Of Ovalbumin

6 Pages 2853 Words
Abstract The objective of this study is to understand the effect of acidic pH and sugar-free on the ovalbumin stability using Fourier Transform Infrared Spectroscopy (FTIR) study. The FTIR spectra of phosphate buffer + Ovalbumin (OVA) + cosolvent (sugar-free) at 303K in various acidic pHs 2, 5 and 7 are reported and the second derivative and curve fitted spectra are...
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Effect Of Salt Stress On Growth Of Three Varieties Of Wheat Genotypes

4 Pages 1836 Words
ABSTRACT The effect of salt stress under the two salinity levels and control (0, 100mM, 150mM) on three varieties of wheat SASSUI, SEHAR, MARVI was conducted. The data showed that the NaCl salinity stress significantly affected the growth of wheat seed arrtibutes by reducing the shoot and root length. Regarding the germination, the maximum germination was found in genotype SASSUI...
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River Contamination Sources And Diffusion In Developing Countries

1 Page 571 Words
A waterway is a trademark gushing conduit, normally freshwater, streaming toward a sea, ocean or another stream. Now and again, a waterway streams into the ground and gets dry close to the completion of its course without landing at another waterway.[5] DIFFUSION Is the net development of anything from an area of higher fixation to a locale of lower focus....

Heavy Metals: Do They Have Detrimental Effects On Our Life?

3 Pages 1132 Words
“All substances are poisons; it is the dose that makes the poison.”, Philippus Aureolus Theophrastus Bombastus von Hohenheim stated. Heavy metals are commonly characterized as metals with a high toxicity level in high concentrations generally with high atomic numbers, atomic masses, or densities, and those metals are located on the 3rd-15th groups and through the 4th-6th periods. Moreover, heavy metals...

Learning Activity: Diffusion And Osmosis

4 Pages 1698 Words
Inquiry-based learning (IBL) is a student-centered Pedagogic strategy, a process that is ideally led by students. This strategy aims to teach students science by doing it, to attain conceptual change, or accommodate new knowledge, as Jean Piaget's theory of cognitive development claims. To achieve that, students work collaboratively. Build on previous knowledge and one another’s work engaging in active self-directed...

Investigation Of The Thermodynamics Of Hydrogen Interactions In Steel

4 Pages 1736 Words
Introduction Steel often interacts with hydrogen in a variety of ways, especially because steel is used typically in structural components. Today these applications may vary from bridges to the transportation of natural gas, making the knowledge of this interaction useful [1]. Due to its high chemical reactivity, hydrogen can diffuse into the surface of steel and then appear ionically or...

The Interrelation Of pH And Electroconductivity

2 Pages 739 Words
In my research project I will be finding different Ph Levels in different kinds of water as well as Gatorade. Not only will I be finding the pH levels in different substances, I will also be finding their electrical conductivity. In my experiment The specific brands of water I will be testing are Dasani, Fiji, and Salt water I will...
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Correlation Between pH And Color In Nature

4 Pages 1720 Words
Color is found everywhere in nature, ranging from flowers to the vibrant colors of autumn leaves. However, this phenomenon has never been ventured into. What determines nature’s colors, and can this be altered? Does color change with levels of pH? pH is the measure of how alkaline or acidic a substance is. It is measured out of a scale of...
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The Relation Of Diseases To Diffusion And Barriers

1 Page 469 Words
Diffusion and barriers affect the impact diseases have significantly. Diffusion is the spread of people, ideas, cultural practices, etc. from one place to another. Barriers are usually associated with something negative, the closing of something. But in the case of diseases it may have positive effects. When barriers such as distance did not allow humans to travel long distances, the...

pH And Coacervates: Is There Evidence That Acidic Environments Increase Coacervate Formation?

2 Pages 1072 Words
Introduction While coacervates are not alive, they are good representations of how early life may have formed from simple organic substances under the right conditions, which eventually led to the formation of prokaryotes. Under suitable conditions, life-like structures can form naturally from relatively simple materials. In the 1920’s, a scientist named Oparin predicted that biological molecules would form in an...
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The Effect Of Salt And Catalase On The Speed Of Breakdown Of Hydrogen Peroxide

3 Pages 1298 Words
Introduction The purpose of this procedure is to study the impact of various levels of salt in relation to the enzyme catalase during the breakdown of hydrogen peroxide. Catalase is important to the body because it breaks down hydrogen-peroxide from its toxic form (H202) into water and oxygen. Salt, or sodium-chloride, is a necessary electrolyte in maintaining homeostasis within the...
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Hydrogen and Recycled Materials

3 Pages 1225 Words
The use of recycled materials and hydrogens engines can help the environment and the economy at the same time. Hydrogen engines produce less dangerous emissions than other engine technologies that are currently available to the public. Industrial processes use hydrogen for processing metal, ceramics, electronics, edible oils and other various applications. Once it is used it is then released into...

Sustainability Of Low Carbohydrate Diets

3 Pages 1429 Words
Introduction Between the years of 1960 and 2000, the presence of obesity in adults aged 20 to 74 years old in the United States increased from 13.4% to 30.9% (Bravata, 2003). There were an estimated 325000 deaths due to obesity and a staggering number of $39-$52 billion dollars in direct health care costs to treat obese individuals (Bravata, 2003). According...

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