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  • Effects Of Pheromones
    285 words
    Pheromone Products Recent studies have suggested that pheromones alter sexual behaviour. Fragrance companies have caught on to this and are funding research on pheromones in the area specific to sexual arousal (Delude: 2003). Fragrances offered by Vogue called 'Chemical: Attraction', for both men and women, alluringly display such messages as 'Warning: Contains pheromones (wear if you dare!) May excite wild physical attraction' (Delude: 2003). Although pheromones is said to cause an almost immed...
  • Lipophilic Compounds
    1,140 words
    Excretion and Elimination of Toxicants and their Metabolites The first topic that was covered by this chapter was the excretion of wastes by the Renal system. The first step that occurs in the kidney deals with the nephron, which is the functional unit of the kidney. In the glomerulus the formation of urine begins with the passive filtration of plasma through the pores that are found in the glomerulus. The plasma is forced through these pores by hydrostatic pressure. The only things that determi...
  • Mixture Of Stable And Radioactive Isotopes
    609 words
    I am the chemical element known as Krypton. Ican also be referred as Kr. I will be telling you about my history, my properties, my family and my occurrence. I will also be telling you about my uses and ores, also the analytical methods based on me. I received the name krypton from the Greek word " hidden' because I was hiding for so long, undetected. I am from a rare group of gases called noble gases. The other noble gases are helium, xenon, neon, argon and radon. I was discovered in England in ...
  • Reactants And Products In A Chemical Reaction
    306 words
    Chem. Ch. 8 Vocab. 1. chemical equation- a representation, w / symbols and formulas, of the identities and relative amounts of the reactants and products in a chemical reaction. 2. coefficient- a small whole number that appears in front of a formula in a chemical equation. 3. formula equation- a representation of the reactants and products of a chemical reaction by their symbols or formulas. 4. precipitate- a solid that is produced as a result of a chemical reaction in solution and that separate...
  • Organic Compounds B Hydrocarbons 1
    364 words
    Chapter 13 Organic and Biological Compounds I. Simple Organic Compounds A. Organic Compounds 1. Most compounds that contain the element carbon are organic compounds. Ie: More than 90% of all compounds are organic compounds. 2. The word organic comes from the word organism. Ie: At one time, scientists assumed that only living organisms could produce organic compounds. B. Hydrocarbons 1. The chemical formula to methane is CH 4. Ie: Found in natural gas used by most people. 2. Hydrocarbons containi...
  • Hormone Mimics
    553 words
    A lack of authoritative evidence of adverse health effects in humans, yet abundant suggestive evidence associating these chemicals with problems in animals, has provided for a volatile debate. The mounting of scientific evidence on hormone mimics spurred the government to pass legislation requiring that all pesticides be screened for estrogenic hormones according to Goldfarb. Detection of estrogenic hormones are also being implemented in drinking water. The World Resources Institute reports that...

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