Essays Tagged: "Potassium"

This is a chemistry lab report on an Acid-Base Titration experiment.

unknown concentration of the strong base NaOH by its reaction with a known amount of the weak acid, potassium acid phtalate (HKC8H4O4, abbreviated KHP). This will be accomplished using the titration m ...

(11 pages) 397 0 4.6 Apr/2002

Subjects: Science Essays > Chemistry

Differences and Effects of Natural and Synthetic Fertilizers

rm to the development of the plant life. These nutrients include calcium, nitrogen, phosphorus, and potassium, and are very sparse in most soils, making them the primary ingredients in most fertilizer ...

(3 pages) 48 0 5.0 Jan/1996

Subjects: Science Essays > Biology

Human Evolution and the Fossil Record

g techniques. In the study of hominid evolution, two main methods of dating are used: carbon-14 and potassium-argon dating. Carbon-14 dating involves the decay of radioactive C-14, which has a half li ... difference between this ratio now and the time is died that allows a date for it to be established. Potassium-argon dating, another dating method, is possible due to volcanic ash and rocks found near ...

(7 pages) 183 0 3.0 Jan/1997

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

Terminology used in Chemistry.

making it more difficult to remove the electrons.Electro-positively: increases down the group e.g. Potassium is more electropositive that sodium and decreases along the period from left to the right. ...

(2 pages) 45 0 2.3 Nov/2002

Subjects: Science Essays > Chemistry

This talks about how different drinks affect our bodies at a chemical level.

good source of folate, is naturally fat, cholesterol, and sodium free, and is also a food source of potassium." They also say that their orange juice meets the American Heart Association's food criter ... normal vision and skin, phosphorus for bone and to generate energy in the body's cells, as well as potassium to help regulate our body's fluid balance and help to maintain normal blood pressure. It a ...

(5 pages) 216 5 3.8 Jan/2003

Subjects: Science Essays > Chemistry

Radiocarbon Dating: Merits and Drawbacks.

ances. Radiocarbon dating has lead to the development of other radioisotope dating methods, such as potassium-argon and uranium-238. Because of its relatively short half-life, radiocarbon dating has b ...

(10 pages) 134 2 4.7 Apr/2003

Subjects: Science Essays > Archaeology


tian Oersted, and he was a Danish chemist. He realized that mixing aluminum chloride with a mercury-potassium alloy, and strongly heating the mixture, would make a tiny lump of the pure metallic eleme ...

(5 pages) 55 0 2.0 Oct/2003

Subjects: Science Essays > Environmental Science


or example , sorghum every year instead of just every second year.Plants need Nitrogen, Phosphorus, Potassium, Sulphur ,Calcium , Magnesium and Iron to grow really good (1).There are two different kin ... in and fat (2).Inorganic fertilisers are made of man.They contain just the important nutrients like potassium, phosphorus and nitrogen (macronutrients).The biggest advantage of synthetic fertiliser is ...

(3 pages) 65 0 2.3 Feb/2004

Subjects: Science Essays > Agriculture

Thermal Decomposition of Metal carbonates

at the bottom of the reactivity series. From preliminary work that I have already done I know that Potassium and sodium are the most reactive metals, and that gold and platinum are the least reactive ... As the metal is heated it reacts with the oxygen to form an oxide. The most reactive metals such as potassium and sodium burn brightly as they are heated. The less reactive metals do not burn brightly ...

(12 pages) 36 0 5.0 Mar/2004

Subjects: Science Essays > Environmental Science

This is a technical product description of a fire extinguisher.

se involving live electrical equipment. Class D fires involve combustible metals such as magnesium, potassium, and sodium. Each class of fire requires its own type of fire extinguisher.Foam extinguish ...

(4 pages) 53 0 3.0 Mar/2004

Subjects: Science Essays


, by Jons Jacob Berzelius, a Swedish chemist. Berzelius discovered this element by heating chips of potassium in a silica container and then carefully washing away the residual by-products. The atomic ...

(3 pages) 58 0 5.0 Apr/2004

Subjects: Science Essays

Descirbe Potassium as deficiency

ase each mineral whether it be a macro mineral or a trace mineral is just as important as the other.Potassium is a much needed trace mineral, which aids in balancing acid and water within the human bo ... It is also extremely important in metabolizing protein, carbohydrate and also for building muscle. Potassium as a mineral helps the body to accomplish various functions, including building strong bon ...

(2 pages) 41 2 4.5 Nov/2004

Subjects: Science Essays > Biology

Compounds And Reactions

transferring electrons to another atom to form ions. These bonds are between metals and non-metals. Potassium oxide is one example.* Covalent bonds are formed by atoms sharing electrons to form molecu ...

(1 pages) 20 0 1.0 Apr/2006

Subjects: Science Essays > Chemistry

Effect of Compaction on Plant Growth and Nutrient Uptake

sity.Soil compaction is one of the main reasons which limit a plants uptake of vital nutrients like potassium, phosphorous and zinc, which are usually absorbed through the roots or root hairs of the p ...

(4 pages) 21 0 0.0 Jun/2006

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

The Importance of White Potatoes

ned potatoes (Dow 403). The white potato is rich in many nutrients. They contain forty percent more potassium than a banana ( Vitamins and minerals contained in one medium sized, boi ... formation Table(for serving size of 148 grams)WhiteCalories110Calories from Fat0Total Fat0Sodium0 mgPotassium700 mgTotal Carbohydrates25 gDietary Fiber2 gProtein3 gVitamin C10 %Riboflavin2 %Iron4 %Vit ...

(3 pages) 19 0 3.5 Jan/2007

Subjects: Science Essays > Agriculture

Healthy Nutrition

healthy teeth, whereas iron is a necessary part of hemoglobin in the blood. Furthermore, sodium and potassium are important to maintain the fluid balance of the nervous system. In addition, magnesium ...

(1 pages) 36 0 2.6 May/2007

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

How Acid Rain Affects Plants

by acid rain; the acid reacts with many nutrients that trees need to live off of, like calcium and potassium. The trees can then also be damaged easier, such as being blown down, or breaking under sn ...

(1 pages) 15 0 5.0 Oct/2001

Subjects: Science Essays > Chemistry

Human Alteration of the Global Nitrogen Cycle: Ca

mosphere. The over-use of this fertilizer also causes a loss of soil nutrients, such as calcium and potassium that are essential for long-term soil fertility. Fossil fuels are used for many dif ...

(3 pages) 738 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Ecojar Lab By Bob Hendrick (Lab Report)

hey need for growth. Fertilizers provide the three major plant nutrients: Nitrogen, Phosphorous and Potassium. Without nitrogen, phosphorus and potassium, the plant cannot grow because it cannot make ... Scissors2 Litre bottleTapeSoilGrass seedsEvidence:Table 1: Measurements of Nitrogen, Phosphorus and Potassium levels on Dec. 4, 2007PlantNitrogenPhosphorus PotassiumPardeepLowLow-MediumLowMundeepHighM ...

(9 pages) 8 0 3.0 Nov/2008

Subjects: Science Essays > Chemistry

The Scientific Method

Some of the most common vitamins and minerals in this food item were 722mg of Sodium (Na), 472mg of Potassium (K), 458mg of Phosphorus (P) and 141mg of Calcium (Ca); 6.447mg of Niacin, 3.1 mg of Vitam ...

(3 pages) 23 0 5.0 Mar/2009

Subjects: Science Essays > Biology