… is to obtain aspirin. Aspirin is prepared by acetylated salicylic acid I a process called esterification. Esterification is the reaction of the carboxyl (-COOH) group, and the -OH group to form a carboxyl ate ester group. In this case the source…

… and more 'digital', information are obtained online; Internet phone replace traditional phone; digital camera are used instead of the long established camera. However, these modern inventions only benefit and are used by the more educated and affluent…

… fact is that no trace of dinosaur has been found after the Cretaceous. This calls for ideas of their sudden disappearance, and a great numbers of theories have been proposed, many of which with a preference for the dramatic. It should be emphasise,…

… progress over past century or so.For technological innovations can not change the condition that war,violence,and poverty are still with us.While I concede that humanity still have to face many serious problems,there may be other things,like terrorism,ev…

… Few of us actually understand how it works but most of us think we do. Here's what really happens. Between the engine and the road wheels there are two major mechanical devices: the clutch and the gearbox. The purpose of the gearbox is to allow…

… can I do? 3. Data= collect information 4. Hypothesis= a statement that both explains the observation and can be tested 5. Experiment 6. Conclusion *Clue to remember this in order!* Oscar's Apples Don't Heal Every Cancer. To collect data, you…

… robots are ready for domestic use (as portrayed in the recent 'The Australian' newspaper article) is clearly a one sided argument. It should be noted that specific points of view emerge from the text. The inevitability of advancing technology and the…

… science that is used in everyday life. We are almost entirely dependant on this form of science, without it we would not have such a variety of products. Without Chemistry I doubt we could even survive. When I get up in the morning the first thing that…

… of an experiment. It is the proper or correct way to write a formal scientific paper. It is really important that if two different people on opposite sides of the world both do the same experiment, they need to have a universal way of writing…

… was discovered I 1824, by Jons Jacob Berzelius, a Swedish chemist. Berzelius discovered this element by heating chips of potassium in a silica container and then carefully washing away the residual by-products. The atomic number is 14, atomic weight:…