Essays Tagged: "Nitrate"

Landfills

I'm in a bind... He's a really cool guy...Nitrate Contamination of Groundwater Poses a Serious Health ThreatNitrates contamination of the worl ... und water supply poses asa potentially serious health hazard to the human inhabitants on earth.High nitrate levels found in well water has been proven to be the cause fornumerous health conditions acr ... r of our groundwater, perhaps itis fitting, that it is also the biggest contributor of contaminatingnitrates that work into our water supply each year. Agriculture andlivestock production account for ...

(6 pages) 74 0 4.7 Dec/1996

Subjects: Science Essays > Environmental Science

The nitrogen.

anism dies, the nitrogen compounds are made simpler by the action of bacteria. green plants take up nitrates ( simple nitrogen compounds) and store the nitrogen away in proteins. undoubtedly many of t ... completely broken down and the result is that the nitrogen has now become so simple ( simpler than nitrates) that green plants cannot utilize it. The group of bacteria which change nitrates into gase ...

(2 pages) 52 0 1.3 Apr/2003

Subjects: Science Essays > Chemistry

Nitrogen cycle.

anism dies, the nitrogen compounds are made simpler by the action of bacteria. green plants take up nitrates ( simple nitrogen compounds) and store the nitrogen away in proteins. undoubtedly many of t ... completely broken down and the result is that the nitrogen has now become so simple ( simpler than nitrates) that green plants cannot utilize it. The group of bacteria which change nitrates into gase ...

(2 pages) 76 2 1.3 Apr/2003

Subjects: Science Essays > Chemistry

Water testing.

emicals such as pesticides, organic waste such as sewage and animal wastes, plant nutrients such as nitrates and phosphates, or heat, which causes thermal pollution.The study was done in the Clark wat ... sample bottles*Watch*Thermometer*Portable pH meter or pH indicator paper*Dissolved oxygen test kit*Nitrate test kit*Chloride test kit*Phosphate test kit*dHdO*footwear*ampoule*whirl-pak bags*pathosccr ...

(5 pages) 59 0 4.6 May/2003

Subjects: Science Essays > Biology

The Nitrogen Cycle

nsists of 80% nitrogen gas (N2), plants can utilize nitrogen only in the form of ammonium (NH4+) or nitrate (NO3-). Nitrogen fixation, the conversion of N2 to NH4+, occurs by nitrogen-fixing bacteria ... ll life on earth. Living organisms, especially the few types of bacteria that convert nitrogen into nitrates and other forms of nitrogen, play a significant role in the recycling of nitrogen within an ...

(2 pages) 42 0 4.0 Feb/2004

Subjects: Science Essays > Biology

Causes and treatment of acne.

lucose leading to the production of propionic acid. It can also produce catalase along with indole, nitrate, or both indole and nitrate ("Propionibacterium acnes3").Being an anaerobe, one might think ...

(6 pages) 73 1 4.3 Mar/2004

Subjects: Humanities Essays > Health & Medicine

This describes the Nitrogen Cycle.

because most plants can only take up nitrogen in two solid forms: ammonium ion (NH4+ ) and the ion nitrate (NO3- ). Most plants obtain the nitrogen they need as inorganic nitrate from the soil soluti ... dification by another type of bacteria (belonging to the genus Nitrobacter) converts the nitrite to nitrate (NO3- ). Both of these processes involve chemical oxidation and are known as nitrification. ...

(3 pages) 52 0 3.7 Apr/2004

Subjects: Science Essays > Biology

Nitrogen Fixing Bacteria

r for nitrogen to be used for growth it must be "fixed" (combined) in the form of ammonium (NH4) or nitrate (NO3) ions. The weathering of rocks releases these ions so slowly that it has a neglible eff ... organisms (such as termites and protozoa). Other bacteria bring about transformations of ammonia to nitrate, and of nitrate to N2 or other nitrogen gases. Many bacteria and fungi degrade organic matte ...

(4 pages) 24 0 4.0 Apr/2006

Subjects: Science Essays > Biology

Qualitative analysis

y the unknown solutions.Material:Copper(II)Sulfate (0.1mol/L) Ammonium sulfate (0.1mol/L)Copper(II) nitrate (0.1mol/L) Zinc sulfate (0.1mol/L)Barium chloride (0.1mol/L) 4 unknown solutionsSodium Carbo ...

(1 pages) 47 0 4.0 May/2006

Subjects: Science Essays > Chemistry

Haber Process

At the beginning of the 20th century, the world was in need of amounts of nitrate (NaNO3), as it was feared by scientists that it was running out, and that soon a new way to ... fore WW1. Once discovered, the Germans kept it to themselves in an advantage of the growing need of nitrate. The actual process involved the reaction between Nitrogen (N) from the air and Hydrogen (H) ...

(3 pages) 17 0 0.0 Sep/2006

Subjects: Science Essays > Chemistry

What are some of the likely environmental impacts of a 'free market' economic system?

-Phosphate fertiliser used throughout the world to increase organic yields in the farming industry. Nitrates escape into the local water table, seep into the rivers and ultimately into the Sea. This c ... he land masses that surround them and all have very little tidal movement to 'sift' out the problem Nitrates. As over half the worlds population lives along the coastal areas this is potentially an ec ...

(5 pages) 56 0 5.0 Oct/2006

Subjects: Social Science Essays > Economics

The Nitrogen Cycle

ments.Most organisms can't use nitrogen in it's natural form. Plants can only use it in the form of nitrate (No3-)The Nitrogen cycle has three pathways. Nitrification, Nitrogen fixation, and denitrifi ... g nitrogen into a usable substance. The energy from lightning reacts with oxygen in the air to make nitrate, which is disolved with water and it seeps into the soil. The plants use the nitrate to make ...

(1 pages) 33 0 3.0 Oct/2006

Subjects: Science Essays > Chemistry

The Hatchet

ariable we did basic water tests twice a month. These tests consisted of Ammonia PPM , Nitrite PPM, Nitrate PPM, Dissolved Oxygen PPM, temperature degrees Fahrenheit, Salinity %, and PH. After complet ... en it was up to an 8. As for the Ammonia PPM remained consistent between .5, and 1. Nitrite PPM and Nitrate PPM, both varied, starting off high, and gradually decreasing as time went on. As for dissol ...

(2 pages) 417 0 0.0 Aug/2001

Subjects: Science Essays > Biology

Disney

en it was up to an 8. As for the Ammonia PPM remained consistent between .5, and 1. Nitrite PPM and Nitrate PPM, both varied, starting off high, and gradually decreasing as time went on. As for dissol ...

(1 pages) 340 0 0.0 Aug/2001

Subjects: Science Essays > Biology

Solubility Curves

Purpose: To determine the solubility of potassium nitrate in water at different temperatures to be able to construct a solubility curve for potassium ... es A, B, C, D and E2.Filled each test tube with 5 ml of distilled water.3.Placed 7.5 g of potassium nitrate in test tube A4.Placed 6.0 g of potassium nitrate in test tube B5.Placed 4.5 g of potassium ... nitrate in test tube B5.Placed 4.5 g of potassium nitrate in test tube C6.Placed 3.0 g of potassium nitrate in test tube D7.Placed 1.5 f of potassium nitrate in test tube E8.Placed all five test tubes ...

(5 pages) 7 0 0.0 Dec/2007

Subjects: Science Essays > Chemistry

George Washington Carver

the next planting cotton would keep the soil fertial for the following year. The peanuts contained nitrate-producing legumes, and the cotton took all the nutrients from the soil, so the soil was fres ...

(2 pages) 921 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Agriculteral Pollution

micides. Half of the nation's drinking water is groundwater and the main pollutants found in it are nitrates from fertilizers and animal waste. High enough levels of nitrate in the water can cause ill ...

(1 pages) 10 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Rhibozum Lab - Chemistry

Background:Nitrate is an oxidized form of nitrogen which is associated with the symbol NO3. Nitrate is a water ... 3. Nitrate is a water soluble compound and is usually a common element of many various fertilizers. Nitrate is an important part in a plant's lifecycle because it provides the plant with all the essen ... out sixteen different elements involved in a plant's growth and one of those element is known to be Nitrate. If there is a shortage in the amount of nitrate in the soil, the plant is most likely to ha ...

(7 pages) 2668 0 0.0 Sep/2008

Subjects: Science Essays > Chemistry

Students' Rights and Teachers' Responsibilities Scenario

ol building, desk, locker, area or grounds contain any weapons, illegal drugs, alcoholic beverages, nitrate based inhalants, stolen goods, or other items, the school reserves the right to search the s ...

(3 pages) 39 2 4.5 Jun/2009

Subjects: Social Science Essays > Controversial Issues