Chem Answers Essay Example for Free

Chem Answers Essay Exercise 1. What safety equipment is available to you while you do your experiments? How far are they from you while you are conducting your experiments?This includes fire extinguishers, phones, showers, etc. The safety equipment that I have access to while performing my experiments are as follows; shower, fire alarms and a telephone. They are all within ten feet from where the experiment will take place. 2. What is an MSDS? MSDS is a document that is required by Osha’s â€Å"Hazard Communication† for all existing chemicals that are currently sold. 3. What can make glassware unusable? Glassware is unusable in an experiment when it is chipped, broken, or cracked. 4. When should you wear goggles in the lab? You should wear safety goggles at all time. 5. How long should you wash your eyes if you get a chemical in them? If you have contact with chemicals in your eye, it should be rinsed for ten minutes. 6. What should you do if your clothing catches on fire? If your clothes should catch on fire during your experiment, you should use the safety shower if you have one. Otherwise, stop-drop-roll and yell or use a fire blanket. 7. How should you heat the liquid in a test tube to a temperature less than 100 C? If you are heating liquid in a test tube to a temperature less than 100 degrees. You should use a test tube holder, clamp and hot water. 8.   What do the following symbols mean? DangerousOxidizerRadioactiveCorrosive ________________ _________________ _______________ ______________ 9. What does each of the small diamonds in the NFPA fire diamond mean? Blue- Health section Red- Flammability Yellow- Reactivity White- Special condition 10. Why should you remove jewelry prior to entering the lab for an experiment? Jewelry should always be removed prior to an experiment. Rings can trap the chemical that you are working with against the skin. Necklaces can dangle and knock dangerous chemical over. 11. What type of clothing should you wear in lab? The type of clothing that you should wear would be; leather shoes, long pants or skirts, sturdy cotton fabric, and older clothes are advised. 12. If your Bunsen burner goes out or you smell gas, what should you do? If you should be working with a Bunsen burner and the flame should extinguish or you smell gas, turn the gas off.

Comparing and Analysing The Gift and Frankenstein :: The Gift Frankenstein Movies Film Essays

Comparing and Analysing The Gift and Frankenstein We watched a video called â€Å"The Gift†. This was a story of a girl called Annie, aged 16. She was a keen sportswoman and played football regularly. However, she began to develop balance difficulties. These difficulties began to escalate, Annie and her mother, Barbara, decide to go to the Doctors. They find out that Annie has a sever condition named Friedricks Attaxia in which your muscles waste away. Annie is told that her condition will deteriorate and she will eventually die. On hearing this news, Annie’s brother, Ryan, who is fourteen, wants to be tested for the disease. Ryan finds that he is a carrier of the disease. The film now goes forward in time to the year 2012. Annie, Ryan’s sister, s now dead. Ryan is married and wants to have a child but is concerned as to whether his wife is a carrier of Friedericks Attaxia, she is tested and found as a carrier. This means that there is a chance of their child being born with this disease. Ryan wants to make sure that their child does not have the disease. Ryan persuades his wife to let him select a child, using advanced technology, which does not carry the Friedericks Attaxia gene, on condition that that is the only thing that he selects. However, as a geneticist, Ryan can read and understand the gene odes which are presented to him, Ryan decides to pick a child without the Friedericks Attaxia gene, but also selects a boy who is good at sport (in memory of Annie). The story again goes forward in time. Now in the year 2029, Ryan is now divorced and their son, Mark, is now 16. He is a tennis champion. However, he discovers he cannot qualify for an award because he was a ‘Designer baby’. Mark now confronts his father, Ryan, who reveals the truth. The film ends with a talk show, debating whether designer babies should be allowed, in which Ryan, his ex – wife, Mark, and a scientist are interviewed. Ryan and the scientist are clearly for the proposal; Ryan’s ex wife is against. They debate the pros and cons of Genetic Engineering. These included increased quality of life for the pros, but it was argues that designer babies took away the foetus’ right to live. We talked about the issues, characters and their viewpoints. Ryan (when he was young) was very jealous of Annie, and all of the attention she was receiving. However, he was devastated by Annie’s condition. Ryan turns out to be a very clever, determined man, who, although he took it too far, tried to use genetic engineering for

Descartes’ statement Cogito Ergo Sum Essay

Cogito ergo sum. Scholars would recognize this issue of high debates even today, almost five hundred years after the words were uttered; though in the present most people in the world wouldn’t understand what it refers to. In 1641, Renà © Descartes published his â€Å"Meditations on First Philosophy,† in which his first meditation dismisses everything that he perceives as reality and posits that he is nothing more than a disembodied brain being manipulated by some outside source. In his second meditation, he questions if he is real. And the fact that he is able to ponder his reality leads him to the conclusion that â€Å"I think therefore I am†: Cogito ergo sum. His first meditation came to an end with the realization that there was no way to justify his sensual observations. He proceeds to say that in that case he will regard himself â€Å"as not having hands, eyes, flesh, blood, and senses- but as having the false belief† that he has all those things. However, in his second meditation, he questions his knowledge of everything beyond his sensory perception. He begins to argue with himself about if he actually exists. Does he have a body? But his first meditation dictates that he has no body. But if he has no body or vessel, does that mean he doesn’t exist? He concludes that he must exist because someone is constantly deceiving him. And if he is constantly being deceived, then there must be something that exists which is being deceived. I find that Descartes’ theories and meditations provide a fallacy of information for the student. If one were to watch the movie Abres Los Ojos, a psychiatrist who helps the protagonist to find out the truth about his own reality. In the end, the movie-watcher finds out that the entire movie was a dream. Yet, the psychiatrist tries to tell the protagonist it is not just a simple dream for several reasons, the first being that he exists and is being deceived. Here we have an instance that perfectly demonstrates that erroneous belief of Descartes’, Cogito ergo sum. If this psychiatrist is only figment of the protagonist’s imagination, then is the psychiatrist not being deceived? But if he is only the figment of an imagination, then how can he exist? There are no answers to these questions in Descartes’ second meditation. To further support my inclination, studying the Hindu dogma would lead us to believe that we are all manifestations of Brahma in a dream as he sleeps; as soon as Brahma is to wake up, we would all stop to exist. If we are to still believe Descartes’ theory, then we must discuss the question: What does it mean to have a real existence? To draw on my first example, does the psychiatrist exist? The psychiatrist was a manifestation of some part of the protagonist and existed in his dream, but that doesn’t necessarily mean that the psychiatrist has a real existence. The psychiatrist must contemplate Descartes’ belief if he fights so hard for his own existence. In the movie Spider, a man rediscovers his past after spending the last 30-40 years in a mental institution. He relives his past when he is sent to a halfway house in his hometown. We are able to see his spiral into madness as his memories are perverted by himself. He decides that his father has killed his mother and replaced her with a local bar whore. He ends up figuring out that the woman he envisioned (and killed) was in actuality his mother with a mental masque that he projected onto her. In this situation, we must ask Descartes, who exists? The mother or the bar whore? To the protagonist, the bar whore exists and his mother is killed. However, to the protagonist’s father the woman his son sees as a bar whore is the same woman that he has been married to for almost fifteen years. But to the mind of the boy, it is no longer his mother. Furthermore, in another movie, eXistenZ, an entire universe is created for a game by plugging yourself into an organic computer. All the characters and people unique to that organic computer are now in question; do these characters exist? Are these characters real? To the gamer (the one plugged in), these people exist for the moment and only as long as they can be interacted with. This brings into question another philosophical debate of old: If a tree falls in a forest and no one is around to here, does it make a sound? How do we know that things beyond our vision exist? Does everything that we can’t perceive with out senses still exist? We breathe air but we can’t see it, or taste it, much less hear or smell it. Thus we come back to Descartes’  first meditation: we don’t truly know what exists and we have no way of justifying our sensory perceptions. Through my own experiences, I posit that I exist because thought I don’t have total control over my surroundings, I can still cause ripples that will change my environment for myself or those who will come there at a later (indeterminate) time. Now to expand this theory, I believe that anything that can cause ripples in an environment exists. Consequently, most anything that we can perceive (and even more that we can’t) exist. Furthermore, just because a thing doesn’t think (for example: rocks, terra, tomatoes, ants) doesn’t mean it doesn’t exist, or that it isn’t. My belief also goes for the lack of an existence. For instance, if all the oxygen were to suddenly and instantaneously transport to a different place then a huge vacuum would form in the previous location of all the oxygen. The sudden appearance of oxygen would crowd up the new location and may even force out something else that also exists because that movement also causes a ripple. The initial location of the oxygen would find someway of filling up that space and anything else that exists would be most likely pulled into that area and causing yet more ripples. This system not only provides for existence, it provides a way to check if something exists; simply check if it causes an effect that provides a temporary or continuous change on the environment, and even if it doesn’t provide a change that can be readily registered by your senses that doesn’t necessarily mean that a thing doesn’t exist (see oxygen example in preceding paragraph). The only things that are not included in this definition is brain density; no matter how dense it is, the brain will produce the same thought processes and consequently not exist. Descartes is ultimately wrong in his conclusion that thought and contemplation of existence proves existence. In that case, what is existence? Existence occurs when a ripple is formed to change an environment, and therefore close to everything has existence of some kind, if only primary ripple effects are observed.

Reforming The Welfare System Reform Essay - 1479 Words

Reforming the welfare system was first initiated by Bill Clinton in 1996, by keeping a promise â€Å"to end welfare as we know it.† Between the years of 1989 and 1994, there had been a 33% increase in the number of households receiving welfare. Originally, these provisions of reform were implemented as a strategy to increase labor market production among public assistance recipients. Many held the belief that those receiving welfare had become too dependent on public assistance. It was suggested that welfare discouraged those receiving benefits from working. Becoming employed would mean losing benefits, while also incurring an array of expenses that were typically covered through public assistance, such as health insurance. As dependency became a primary concern, fundamental reform rooted itself into the minds of the working-class. Although, the idea of getting rid of welfare as a whole was unpopular, the belief that those in need were being discouraged from employment through what was often referred to as â€Å"the welfare trap† called for reformation within the system. Clinton achieved his promise by ending the tradition welfare system, called Aid to Families With Dependent Children, and replacing it with a system branded as Temporary Assistance for Needy Families. This new system described a range of requirements that applicants must meet to receive financial support and sparked welfare reformation. This reformation began when Bill Clinton signed the Personal Responsibility andShow MoreRelatedPoverty Essay1286 Words   |  6 Pagesthemselves or becoming successful but this is not true. Some may argue that poverty is a personal problem and that one may just need to work harder and apply themselves to society. 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