Essays on Chemistry

39

The Effect of Sodium Chloride on The Swimming Behavior of Paramecium

3 pages / 1196 words

The Paramecium tetraurelia is a unicellular organism belonging to the kingdom of Protists. It can be found mostly in a fresh water environment and is covered in hair-like structures known as cilia. The cilia help with locomotion, allowing it to move forward and backwards. It...

Chemical Reaction Green Chemistry

40

Forms of Mercury in Soil, Water and Environment

1 page / 438 words

Mercury belongs to group 12 of the periodic table. It is a heavy metal. It is considered as an element as well as a metal. Its periodic neighbors are Gold and Ti. Mercury has an atomic number of 80and its atomic mass is. 201. It...

Chemical Reaction Water

41

Lab Safety Guidelines: Ensuring Safe Handling and Storage of Materials

3 pages / 1451 words

Preston Brown, a graduate student at Texas Tech University was working on the highly energetic nickel hydrazine perchlorate (NHP) in early January 2010 when an almost fatal accident that scarred him for life occurred. In a series of events that involved disregard for his supervisor’s...

Chemical Reaction Workers Workplace

42

Mat Sci Report on Boron Carbide

3 pages / 1497 words

Boron Carbide is one of the hardest materials in the world, it has many uses due to its extreme hardness and resistance to wear. Boron Carbide was first discovered by Henri Moissan in 1899 when he reacted Boron Oxide and fused it with Carbon in...

Green Chemistry Natural Resources

43

Intrinsic Viscosity: Chain Linkage in Polyvinyl Alcohol

2 pages / 1066 words

Polyvinyl alcohol (PVOH),-(CH2-CHOH)n-, is a linear polymer which means it shows negligible amounts of branching. PVOH is soluble in water, which is unusual for synthetic polymers, but this allows PVOH to be used in a lot of commercial applications such as thickening and foaming agents....

Alcohol Chemical Reaction

44

Morphological Parameters & Identification of Nhx1 of Petroselinum Crispum

2 pages / 890 words

Salinity is one of the major issue which ultimately leads towards loss of yield among important crops. For all significant crops, average harvests area fraction – anywhere amongst 20% and 50% of record yields; these losses arebecause of drought and high soil salinity. A wide...

Chemical Reaction Green Chemistry

45

Steel as an Compound from Claiming Iron

3 pages / 1233 words

Steel is an compound from claiming iron What’s more carbon Also different components. Due to its helter skelter elasticity What’s more low cost, it will be a significant segment utilized within buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons. Iron is the base metal...

Chemical Reaction Research

46

Silver & Silver Mixes

4 pages / 1772 words

Silver will be An rather inert metal. This may be in light its filled 4d shell is not exceptionally viable done protecting the electrostatic constrains about fascination from the core of the peripheral 5s electron, What’s more henceforth silver will be close to the base...

Chemical Reaction Research

47

Organic Chemistry: The Formation of Carbon-carbon Bonds

4 pages / 1633 words

Background There is no doubt that some of the most crucial transformations in the organic chemistry synthesis are the ones that create new carbon-carbon bonds. This new bond formation reactions produce many significant molecules that range from very simple compounds to very complex systems such...

Chemical Reaction Research

48

Use of Biofuel as a Sustainable Engineering Solution

4 pages / 1737 words

Introduction With the increasing demand for electricity in this global world to access more luxurious lives and further, the industrial dependency on scarce natural resources for energy production has led this world to a chaos of global warming. Many historians believe that it was the...

Engineering Ethanol

49

Heavy Metal Detection from Drinking Water of District Pishin (balochistan, Pakistan) by Using Atomic Absorption Spectrometry

2 pages / 1014 words

Abstract This study was designed to find out heavy metals contents from water samples that taken from tube wells and from different areas of district pishin. The analysis of different water samples done to check out the parameters such as electric conductivity, PH, burden of...

Environmental Issues Heavy Metal Water Quality

50

Synthesis and Characterization of Bioactive Heterocyclic Molecular Hybrids

4 pages / 1960 words

The increasing interest on new drug discovery is frequently advanced as drugs do not increase endurance adequately against increasing cancer cases worldwide. Molecular hybridization is a new concept in drug design and growth based on the combination of pharmacophoric moieties of different bioactive substances to...

Chemical Reaction Discovery Research

51

Negative Effects of Chemicals Can Be Found in Commercial Powdered-pigment for Paint

4 pages / 1730 words

Art materials such as paints are being used by numerous people of all ages, whether a person is a child, middle-aged or old. It is known that certain metallic compounds or chemical that contains metals can be found in these can cause problems particulary in...

Chemical Reaction Painting

52

N-methyl-d-aspartate by Memantine

3 pages / 1284 words

Memantine represents a new class of therapeutic agent with efficacy for the symptomatic treatment of moderately severe to severe Alzheimer’s disease (AD) with moderate affinity, uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist with strong voltage-dependency and fast kinetics. Treatment with high therapeutic dose of memantine 10 mg/kg...

Chemical Reaction

53

Synthesis of Imid-pta

3 pages / 1421 words

All chemicals and solvents were commercially available and used as received. Thiophene (Th), benzothiophene (BT), dibenzothiophene (DBT), n-heptane, hydrogen peroxide (H2O2, 30 vol.%), acetic acid (CH3COOH), acetonitrile (MeCN), chitosan (low molecular weight with a degree of deacetylation of 75–85%), imidazole (C3H4N2), phosphotungstic acid (H3PW12O40.nH2O), and...

Chemical Reaction Experiment

54

Tlc of Aqueous Extract of Carica Papaya

4 pages / 2022 words

Abstract: The tree of Carica papaya is always with soft main trunk and it is tufted with leaves that are at the top. Its fruits differ in shape, size, taste and colour. Papaya is cultivated in almost all of the tropical countries and it is...

Chromatography

55

Study The Effect of pH on Lipase Enzyme

2 pages / 763 words

Abstract Bacterial lipase are commercially more important mainly because of the ease of their cultivation and optimization to obtain higher yield.Industrial demand of new sources of lipases with different catalytic characteristics stimulated the isolation and selection of Bacillus subtilis. This study was designed to investigate...

Chemical Reaction

56

Impact of Zr Content on Multiphase Zirconium–tungsten Oxide

1 page / 526 words

With global population growth and increased electronics consumption, how to effectively use electronic device without depletion has become one of the urgent world research issues. Diodes, such as P-N junction, Zener diode, Schottky diode, Tunnel diode, Crystal diode, Light emitting diode …etc have been extensively...

Chemical Reaction

57

Syntesis by Combustion Method

6 pages / 2940 words

Introduction Rare earth (RE) doped nanophosphors are widely used in light emitting diodes (LED’s), field emission displays (FEDs), scintillators, medical imaging and drug delivery. There exceptional electronic and optical properties are derived from f-f and f-d transitions. However, many reported synthesized nanophosphors degrade rapidly when...

Chemical Reaction Experiment