Essays Tagged: "Sulfur"

Detection of biological molecules. Lab work.

and observations.DETECTION OF BIOLOGICAL MOLECULESIntroduction: Without carbon, nitrogen, hydrogen, sulfur, oxygen and phosphorus, lifewouldn't exist. These are the most abundant elements in living or ...

(6 pages) 122 0 4.6 Oct/1996

Subjects: Science Essays > Biology

The cause and effects of acid mine drainage

used to describe leachate, seepage, or drainage that has been affected by the natural oxidation of sulfur minerals contained in rock which is exposed to air and water. The major components of ARD for ...

(7 pages) 72 0 3.5 May/1996

Subjects: Science Essays > Environmental Science

Acid Rain Essay

soline, coal, and fuel oils. When combusted, the non renewable resources release pollutants such as sulfur, carbon and nitrogen oxides into the air. These oxide combine with the humidity in the air an ... carbon and nitrogen oxides into the air. These oxide combine with the humidity in the air and form sulfuric, nitric and carbonic acid. This acidic solution eventually condenses in the air and comes b ...

(4 pages) 70 0 3.0 Jan/1999

Subjects: Science Essays > Environmental Science

Petroleum

in asphalt content. It consists ofa mixture of hydrocarbons, with traces of various nitrogenous and sulfurouscompounds.50-90% of petroleum is hydrocarbons and the remaining is composed chiefly oforgan ... rocarbons and the remaining is composed chiefly oforganic compounds containing oxygen, nitrogen, or sulfur. Pennsylvania crudeoils contain 97-98% hydrocarbons, but some oil from California contains on ...

(2 pages) 58 0 3.0 Nov/2002

Subjects: Science Essays > Environmental Science

History of the periodic table--Alexandre Beguyer de Chancourtois

at certain of the triads appeared below one another in his spiral. In particular the tetrad oxygen, sulfur, selenium and tellurium fell together, and he called his device the "telluric helix".The atom ...

(1 pages) 78 1 1.7 Mar/2004

Subjects: Science Essays > Chemistry

Pakistan vs. US

ltural. The country's mineral resources include salt, chromite, coal, gypsum, limestone, manganese, sulfur, clay, graphite, copper, petroleum, and natural gas, while the United States has many natural ...

(2 pages) 41 0 2.7 Apr/2004

Subjects: Area & Country Studies Essays

Elizabethan Era Weaponry by Alan T

nis 75). Cannons were first fired with finely ground "meal"; power made of charcoal, saltpeter, and sulfur (75). "This mixture resulted into a very weak and smoky explosive" (75). Its fineness caused ... power from simple machines to getting the power from a mixture of potassium nitrate, charcoal, and sulfur.

(3 pages) 30 0 5.0 Sep/2004

Subjects: History Term Papers > European History

Testing for Biomolecules

Biomolecules consist primarily of carbon and hydrogen, along with nitrogen, oxygen, phosphorus and sulfur. Other elements sometimes are incorporated but these are much less common.Biomolecules are ne ... in and an inorganic nonmetallic ion. This type of protein-metal-nonmetal structure is found in iron-sulfur clusters.VitaminsA vitamin is a compound that can not be synthesized by a given organism but ...

(6 pages) 56 1 4.7 Sep/2004

Subjects: Science Essays > Biology

State of Louisiana 2004 CAFR Final Report.

n in salt production and is the second largest refiner of petroleum. It is also a major producer of sulfur, lime, cotton, sugar cane, yams, rice, and pecan nuts. Louisiana conducts trade with 191 coun ...

(16 pages) 179 0 5.0 Aug/2005

Subjects: Businesss Research Papers > Case Studies

Ap Biology notes.

. Which atom represents the 18O isotope of oxygen?Answer - b - 8p+; 10n0; 8e-5) The atomic umber of sulfur is 16. Sulfur combines with hydrogen sulfide. Based on the electron configuration of sulfur, ...

(4 pages) 40 0 3.7 Sep/2005

Subjects: Science Essays > Biology

Acid rain.

ide dissolved in rain is converted to a weak acid (carbonic acid). Other gases, primarily oxides of sulfur and nitrogen, are converted to strong acids (sulfuric and nitric acids).Although rain is natu ... d power-generating plants and transportation vehicles.Since the industrial revolution, emissions of sulfur and nitrogen oxides to the atmosphere have increased. Industrial and energy-generating facili ...

(4 pages) 36 0 3.7 Sep/2005

Subjects: Science Essays > Earth Sciences

Lab Report: Physical and Chemical Changes

hMagnetMagnifying glassCrucible tongsSpatulaBalanceMeeker burnerRing standIron ringWire gauzeForcepsSulfurIron filingsSodium BicarbonateSodium ChlorideSugarSandMagnesium ribbonHydrochloric AcidDistill ... aper9 disposable dishesProcedure:1. Label 7 of the dishes with the names of the following products: Sulfur, Iron, Sodium Bicarbonate, Sodium Chloride, Sugar, Sand, and Magnesium. Place small samples o ...

(2 pages) 48 0 3.2 Jan/2006

Subjects: Science Essays > Chemistry

Acid Rain

s of less than 5.6. When dealing with acid rain one must study and understand the process of making Sulfuric acid. In this project we will take an in depth look into the production of sulfuric acid, s ... oduction of sulfuric acid, some of its uses and the effects of it as a pollutant in our environment.Sulfuric Acid Industry in OntarioAmong the many plants in Ontario where sulfuric acid is produced, t ...

(13 pages) 52 0 4.6 Aug/2006

Subjects: Science Essays > Environmental Science

Ozone Depletion

dence that this is happening. Evidence for ozone loss traced to volcanic eruption. Eruptions inject sulfur particles as high as the lower stratosphere, where they form a sulfur aerosol. When this reac ...

(2 pages) 16 0 0.0 Apr/2001

Subjects: Science Essays > Environmental Science

Chemosynthetic Autotrophs

rgy by oxidizing simple inorganic compounds. These compounds include reduced gases such as ammonia, sulfur, and methane. With the help of enzymes, energy can be made by breaking down these compounds a ... e bacteria, which help decompose the wastes of organisms. The third category is known as the sulfur oxidizers, which are prominently found in the ocean where hydrogen sulfide in in abundance. S ...

(5 pages) 16 0 0.0 Aug/2001

Subjects: Science Essays > Biology

Acid Rain

.What is acid rain? Acid rain is rain with pH values of less than 5.6. Acid rain is rain mixed with sulfur. Sulfur is put into the air by sulfuric acid plants. Some of the larger sulfuric acid plants ... Raw Materials: The plant needs to be close to the raw materials that are used in the production of sulfuric acid like sulfur, lead, copper, zinc and sulfides.2) Transportation: A manufacturer must co ...

(4 pages) 760 0 0.0 Feb/2002

Subjects: Science Essays > Chemistry

The Layers of the Earth

e core is made mostly of iron and nickel and possibly smaller amounts of lighter elements including sulfur and oxygen. The core is about 4,400 miles in diameter of Earth and about the size of Mars. Th ... e core is made mostly of iron and nickel and possibly smaller amounts of lighter elements including sulfur and oxygen. The core is about 4,400 miles in diameter of Earth and about the size of Mars. Th ...

(9 pages) 32 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

DNA Experiments

tionThey prepared two separate samples of viruses, one in which the DNA (contains phosphorus but no sulfur) was labeled with a radioactive isotope, 32P, and the other in which the protein (contains so ...

(2 pages) 16 0 0.0 Feb/2009

Subjects: Science Essays > Biochemistry

Acid Rain

rain with a ph lower than this is said to be acidic. Acid rain mainly forms when there is a lot of sulfur, carbon or nitrogen dioxides/oxides in the air. Sulfur and nitrogen are the main causes of ac ... e air. Sulfur and nitrogen are the main causes of acid rain. Acid rain forms when molecules such as sulfur dioxide (SO2) combine with water vapour to form acids in this case sulfuric acid. This acid t ...

(3 pages) 1401 1 0.0 Mar/2009

Subjects: Science Essays > Chemistry

Acid Rain and how to Scientifically Prevent it

for decades. Acid rain is precipitation that has reacted with harmful compounds of mostly Nitrogen, Sulfur and Carbon. These compound emissions are emitted from factories, motor vehicles and electrici ... ctory smoke stacks is by creating Flue Gas Desulphurization devices. FGD's are machines that remove sulfur from the flue gasses coming from smoke stacks after burning coal to generate power. There are ...

(2 pages) 14 1 5.0 Dec/2009

Subjects: Science Essays > Chemistry