Essay Database

… given to any drug preparation comprising the leaves and the flowering tops of the Indian hemp plant, Cannabis sativa. There are various forms of this drug known under different names throughout different countries, depending on the method of preparation,…

… or power things. Fuels are used in our homes as a source of heating and power. They are used in forms of transport such as cars, boats, buses, trains and planes to enable them to run and they are also used in industry to power machinery and other vital…

… first discovered titanium in an impure form. It was later given the name titanium (after the Titans, in Greek mythology, the sons of the Earth Goddesses) by a German chemist, Martin Kloproth. WHAT IS TITANIUM? Titanium has an atomic number…

… clergyman and mineralogist, reported that he had discovered a magnetic black sand near the beaches of Cornwall, England. The mineral was named menachanite after the local parish of Menaccan. A few years after Gregor's discovery, M.H. Klaproth,…

… and mineralogist, reported that he had discovered a magnetic black sand near the beaches of Cornwall, England. The mineral was named menachanite after the local parish of Menaccan. A few years after Gregor's discovery, M.H. Klaproth, a German…

… PROBLEM Investigate the heat energy in a range of alcohol's used as fuels. HYPOTHESIS I predict that octanol will release the most heat energy. This is because there is more bond energy in that molecule than the other alcohols. Within a molecule…

… the following: i)Matter can exist in three states ii)The pressure exerted by a confined gas decreases as its temperature is lowered iii)A gas of low molecular mass will diffuse through air faster than a gas of high molecular masseven though both…

… Manchester, England on December 18, 1856. His father was a bookseller and a publisher. Having discovered a liking for physics, he wanted to become an engineer. His family supported him, and so while waiting for an opening in the apprentices at the engine…

… edition February 12, 1986. http://antoine.frostburg.edu/chem/senese/101/consumer/faq/harispray-ingredients.shtml http://www.dit.ie/DIT/science/chemistry/rsccomp/competition01/hawkesclancy/bedroom/hairspray.html http://householdproducts.nlm.nih.g…

… possible to determine if a redox reaction took place by using only the equation? Hypothesis: Yes, I believe it is possible to determine if this reaction took place by using the oxidation numbers in the equation. Variables: <Tab/>1.…