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3E2_2012 Chemistry Group 10

Page history last edited by 3E2_2012_Group 10 11 years, 9 months ago

3E2 Chemistry Project Group 10

Group members

Junwei (Leader)

William

Mindy

Cloudia

Aim and Definations

Aim:

-To identify Acids,Bases and salt with their daily uses

-To understand their uses and what can it do for us

Defination:

-Acid : a chemical substance that nutralize alkali,desolves some matters and blue litmus paper red

-Bases: base is a substance that can hydrogen ions

-Salts:salts can compounds that can results from the process of neutralization which requires a acid and alkali combining together

Perchloric Acid

Acid that we are presenting :Perchloric acid

Production : The traditional method exploits the high aqueous solubility of sodium perchlorate (at room temperature ). Treatment of such solutions with hydrochloric acid gives perchloric acid, precicpitating solid sodium chloride:

NaClO₄ + HCl → NaCl + HClO₄

Uses: Perchloric acid is mainly produced as a precursor to ammonium perchlorate, which is used as rocket fuel.

The growth in rocketry has led to increased production of perchloric acid. Several million kilograms are produced annually.

Lithium Hydroxide

Bases that we are presenting now : Lithium Hydroxide

Uses: It is used as a heat transfer medium and as a storage-batteryeletrolye. It is also used in ceremics and some Portland cement formulations. Lithium hydroxide (isotopially enriched in lithium-7) is used to alkalize the reactor coolant in preserized water reactos for corrosion control.