Free Calamine Essays and Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays

Free Calamine Essays and Papers

Page 1 of 3 - About 29 essays
  • Satisfactory Essays

    Calamine Investigation

    • 822 Words
    • 2 Pages

    Calamine Investigation Introduction. Calamine is a mineral containing Zinc Carbonate (Zn CO ). On heating it decomposes as follows: ZnCO -------ZnO+ CO (C= 12, O= 16, Zn= 65) The equation allows you to calculate a theoretical conversion of calamine into zinc oxide. In the chemical industry they need to be able to calculate % yields in order to make sure that their processes are economical. Aim. I am going to compare the results from the experiment with the theoretical

    • 822 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Obtaining Zinc Oxide from Calamine Introduction Calamine is a mineral containing zinc carbonate (ZnCO₃) On heating it decomposes as: [IMAGE]ZnCO₃ ZnO + CO₂ (C = 12, 0 = 16, Zn = 65) This equation allows you to calculate a theoretical conversion of calamine into zinc oxide. As when using the theoretical conversion; [IMAGE]ZnCO₃ ZnO + CO₂ [IMAGE]65+12+48 65+16 + 12+32 [IMAGE]125 81 + 44 This means that one mole of calamine weighs 125g and when heated it produces

    • 896 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Got Zinc?

    • 1227 Words
    • 3 Pages
    • 3 Works Cited

    little use of it (Mathewson 1). The unassuming bluish-gray mineral was given a warmer welcome by the Romans, who were already using it to make brass by “about the time of Augustus, 20BC to 14AD”; the Romans used, not purified zinc, but the mineral calamine (“zincky wall accretions” from caves) and fused them in a crucible with bits of copper to make their brass (Mathewson 1). Around the world, zinc was being exploited by the Chinese civilization as well, although documentation of Asian use of zinc

    • 1227 Words
    • 3 Pages
    • 3 Works Cited
    Satisfactory Essays
  • Satisfactory Essays

    Zinc hyperaccumulation

    • 1078 Words
    • 3 Pages

    accumulate high quantities of heavy metals in their above ground biomass, up to three percent or more. Many of these plants are found in the Brassicaceae family throughout Europe and the British Isles. These plants thrive on mineral outcrops with calamine and serpentine soils rich with high levels of zinc, cadmium, and nickel (Baker et al, 1994). Several theories have been advanced on the reasons for this hyperaccumulation. Boyd and Martens propose that it could be a form of drought resistance, inadvertent

    • 1078 Words
    • 3 Pages
    Satisfactory Essays
  • Good Essays

    Poison Oak Dermatitis Poison oak dermatitis is inflammation of the skin that is caused by contact with the allergens on the leaves of the poison oak (toxicodendron) plant. The skin reaction often includes redness, swelling, blisters, and extreme itching. CAUSES This condition is caused by a specific chemical (urushiol) found in the sap of the poison oak plant. This chemical is sticky and can be easily spread to people, animals, and objects. You can get poison oak dermatitis by: • Having direct

    • 641 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Essay On Venous Stasis

    • 506 Words
    • 2 Pages

    Skin discoloration of the lower legs, ankles and feet may appear if there is increased pressure in the leg veins. The pressure may be the result of venous stasis. This is a condition in which there is poor blood flow from the legs back to the heart. It usually occurs when varicose veins have formed and the blood starts to pool in the veins and becomes stagnant. As it accumulates, small and medium sized veins may spring a tiny leak and some blood passes into the tissue. Once in the tissue, the blood

    • 506 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Tomato Allergy

    • 841 Words
    • 2 Pages

    Tomato allergy is a food allergy which is not common. However it becomes a real big problem to people who are allergic to tomatoes. The allergic reaction seems to be because of the skin, seeds and juice. This allergy falls in Type 1 Allergy also called contact allergy. The oral allergy to tomatoes can be also due to the cross-reactivity to grass pollens and Ryegrass. Since tomatoes and potatoes are close related plants, therefore there is a slight chance of being allergic to potatoes also. Ingesting

    • 841 Words
    • 2 Pages
    Good Essays
  • Good Essays

    offers less wear and tear of the body tissues. Ragweed rash: ragweed allergy can cause a red rash when in contact with the plant. This rash can be small blisters which can be itchy. Within two days of exposure to ragweed the rash develops. • Calamine lotion can help controlling the rash • Hydrocortisone cream can also be helpful to control the itchy feeling. The rash heals on its own within two to three weeks. Though home remedies for ragweed allergy can be beneficial and cost -effective

    • 836 Words
    • 2 Pages
    Good Essays
  • Good Essays

    CAFFEINE ALLERGY HOME REMEDY Caffeine allergy is a reaction in the body’s immune system due to consumption of caffeine or any caffeine products. It is available in drinking tea, soft drink, coffee, chocolates. It is also available in drugs to treat headaches, cold pills and pain relief. It is found that the consumption of caffeine among the adult US population is 80% in the form of food or other medication. A common term is used for the allergic reaction to caffeine and is known as anaphylaxis

    • 851 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Chickenpox Case Study

    • 862 Words
    • 2 Pages

    Chickenpox, Adult Chickenpox is an infection caused by the varicella-zoster virus. The infection causes an itchy rash that turns into blisters, which eventually scab over. This virus spreads easily from person to person (contagious). It is contagious starting 1–2 days before the rash appears. It remains contagious until the blisters become crusted. Chickenpox can be very serious for adults. Complications of chickenpox include: • Pneumonia. • Skin infection. • Brain infection (encephalitis)

    • 862 Words
    • 2 Pages
    Good Essays
Previous
Page123