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Versatile Phosphoric Acid: Uses and Importance in Space

Phosphoric acid (H3PO4), a strong inorganic acid, is a clear liquid with various uses including rust removal, medicine, dental care, and food processing. It is crucial in space for cleaning spaceships to prevent engine issues. It can be easily synthesized and is cost-effective for industrial applications.

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Versatile Phosphoric Acid: Uses and Importance in Space

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  1. ACID/BASE RESEARCH Suwon Park, JosianneGermann

  2. Phosphoric acid (orthophosphoric) • Formula:H3PO4 • Density:1.88 g/cm³ • Melting Point:42.35° C • Boiling Point:158oC • Has a low pH (strong acid!)

  3. Characteristics • Clear, colorless liquid • When added to a soft drink, gives a tangy flavor • Inorganic acid

  4. The Use • Removes rusts from metal objects • Can be used as a medicine (anit-nausea medication) • Can be used to clean your teeth (dentists use) • Can be used to press the food

  5. Other uses • Hair coloring (other color dying products) • Bleach • Nail polish • Dry cat food • Body wash • Tooth paste • Shampoo

  6. Why needed in space? • In space, if you don’t have phosphoric acid, you won’t be able to clean the spaceships when it is dirty • If the space ships are not clean, the engine might get stuck and all yucky which will lead to a broken space ship

  7. Equipments • Scientist (to make it) • Air (oxygen and hydrogen) • Phosphoric acid • Fire

  8. The making • Made up of phosphorus, hydrogen, and oxygen • When pentoxide and water are combined .. • Reacting a concentrated nitric acid and red phosphorus

  9. Why should this be picked? • It is very easy to make • It is cheap to make compare to others • Can be used for useful things (like cleaning detergents, fertilizers, helps remove rust)

  10. If we didn’t have this… • Big industrial product • If we didn’t produce it… • Fertilizers, coke, cleaning detergents will not exist

  11. Citations • http://www.buzzle.com/articles/phosphoric-acid-uses.html • https://www.google.com.my/search?q=phosophric+acid&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a • http://www.factmonster.com/encyclopedia/science/phosphoric-acid.html • http://terms.naver.com/entry.nhn?cid=200000000&docId=1136244&mobile&categoryId=200000461 • http://www.britannica.com/EBchecked/topic/457534/phosphoric-acid • http://www.chemicalforums.com/index.php?topic=53868.0 • http://www.bookrags.com/research/phosphoric-acid-chmc/

  12. Citations (pictures) • http://www.hsa.ie/eng/Your_Industry/Chemicals/Detergents/ • http://www.coca-cola.co.uk/press-centre/2009/march/coca_cola_announces_the_carbon_footprints_of_some_of_its_best_loved_brands.html • http://blog.fooducate.com/2009/06/30/11-quick-facts-about-phosphoric-acid-yes-that-chemical-in-coca-cola/ • http://www.encyclopedia.com/topic/phosphoric_acid.aspx • http://www.shespeaks.com/Herbal-Essences-Shampoo-and-Conditioner-Review

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