Amount of Water Colin Lee Dr.Cooper Chemistry 12 Introduction: Alka-seltzer contains three active ingredients‚ aspirin‚ sodium hydrogen carbonate and citric acid. It is used for headaches‚ migraines‚ and cold and flu symptoms. Alka-Seltzer is usually taken when dissolved in a glass of water. When placed in water a series of chemical reactions result into Sodium citrate and Sodium acetylsalicylate. The sodium citrate would act as the antacid for stomach pains‚ and the sodium acetylsalicylate
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Dr. Edmond Locard’s Exchange Principle states‚ “Any action of an individual‚ and obviously the violent action constituting a crime‚ cannot occur without leaving a trace.” It is hard to say Locard’s Exchange Principle was not disregarded. After three months of expert investigation it was found that the DNA evidence that was discovered at the scene did not belong to Jennifer or Noura. Also Noura’s own DNA was not found at all at the scene of the crime. It is very hard to understand how Noura could
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Chemistry SL Internal Assessment: Enthalpy Change Design Lab Experiment: Reaction of distilled water and solid sodium hydroxide RESEARCH QUESTION How does the heat released during the reaction between distilled water and Group 1 elements (lithium‚ sodium and potassium) vary as one goes down the group? OBJECTIVE The objective of the experiment is to measure the heat change during the reactions with minimal heat loss to the surroundings. MATERIALS The materials to be used in this experiment
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5/12/12 11-12am PS318 Dr Nandini Hayes Note-taker Zia Last week – we talked about PCR and how important it is in the forensic setting. We will finish off talking about PCR‚ and then we will discuss how it can be used. If we go back to the slide of the double stranded DNA‚ and if we take that to a high temperature‚ the two strands separate‚ you then add the primers‚ which interact with ? On the strand‚ synthesis takes place in the 5-3 direction‚ then you end up with 2 molecules identical to
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case‚ I am considering studying along the lines of forensics. When interested in forensics you have to familiarized yourself with science predominantly. Depending on the area a person wants to focus on would determine what classes are
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statistics show more than seventy percent of students in college forensic programs are young women. Forensic pathologist are specially trained medical examiners. They go through years of schooling to be certified to perform tough tasks related to this job. Forensic pathology focuses on determining cause and manner of death‚ performing autopsies‚ and analyzing evidence which is critical in the process of solving the crime. A forensic pathologist has many responsibilities. Their main responsibility
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several years. ¨Anthropology is the study of humans‚ and in this forensic discipline physical or biological anthropologist focus their studies on the human body as it relates to explaining the circumstances of an accident or solving a crime- often homicide¨ (¨Forensic¨). Forensic anthropologist are people who inspect the deaths of humans. They can solve cases by inspecting crime scenes or looking at human remains. The main task of a forensic anthropologist is to determine cause of death‚ whether it´s
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careers in the world. There is a career for everyone. For instants Forensic science is one of them and there are many more. There are a lot of things that they had to do before they became a forensic science. They had to have an education and what they need to do. Like their responsibilities‚ pay and benefits‚ work and life balance‚ job prospects‚ and detailed budget. There many more that they have to do before they can become a forensic science. Responsibilities They have many responsibilities that
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(2012) reports that 185 out of 250 cases used had forensic evidence‚ and 169 of these presented forensic testimony‚ and of these 169 trials‚ and that in sixty-one percent of these trials‚ forensic scientist’s delivered invalid testimonies. Therefore‚ we have forensic evidence that is inculpatory‚ exculpatory‚ and inconclusive‚ which further feeds into the testimonies presented by these scientists. It is important to point out that many forensic examiners are ethical in their practices and accountable
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Initially‚ majoring in Forensic Chemistry was not my first choice. I have always been more interested in science but I never thought of actually majoring in the science field. Since I was a child I always looked forward to going to science class. In elementary school my many teachers helped me gain a love for science. But‚ it was in the sixth grade is when I decide that maybe I could see a science field in my future. My sixth grade teacher set up a dissection lab one day and we were able to pick
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