CHM151LL Laboratory Report Form Fall 2011 Title: Project 5: SPECTROPHOTOMETRIC ANALYSIS OF A PENNY Date Run: 04/03/2012 Date Submitted: 04/15/2012 Grade: _____________________ Objectives: The purpose of this experiment is to use spectrophotometry to determine the percentage of copper in a copper-clad penny‚ and to determine the thickness of copper layer on the copper-clad penny. Introduction: In the spectrophotometric analysis of a penny lab‚ we will be conducting three
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Introduction Notes What is Science? Study of/tool to understand/body of knowledge/process to understand the natural world What do Scientists do? Make observations Attempt to discern patters Assume the future is like the past What is Biology? The study of life What is Life? Not ever clearly defined Characteristics of living systems: Highly organized Huge energy users 90% of food we eat is used to keep us going Development Development from a single cell to billons of cells Reproduction
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CORE SYLLABUS for National Eligibility-Cum-Entrance Test (NEET) for Admission to MBBS/BDS Courses The Medical Council of India (MCI) recommended the following syllabus for National Eligibility-cum-Entrance Test for admission to MBBS/BDS courses across the country (NEET-UG) after review of various State syllabi as well as those prepared by CBSE‚ NCERT and COBSE. This is to establish a uniformity across the country keeping in view the relevance of different areas in Medical Education. PHYSICS
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List of Chemistry Terms used in daily life α (alpha)‚ β (beta) α- (β-‚ γ-) ray spectrometer α-addition (alpha-addition) α-cleavage (alpha-cleavage) α-decay (alpha-decay) α-effect α-elimination α-expulsion in photochemistry α-oxo carbenes α-particle (alpha-particle) ’A’ value -factorquantity ab initio quantum mechanical methods abatement in atmospheric chemistry abeo- abiological abiotic abiotic transformation absolute activation analysis absolute activity‚ quantity absolute
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Final Exam Review Chapter 2 Study Questions 1. Define the following a) element b) compound c) pure substance 2. Classify each of the following as a pure substance or a mixture. For each pure substance‚ indicate whether it is an element or a compound. Which of the mixtures are solutions a) air b) titanium c) oak d) baking soda e) oxygen f) 7-Up g) wine h) carbon monoxide 3. Label each of the following drawings as element‚ compound‚ or mixture (Assume each type of circle
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amount of violence stay that way‚ and violent places continue to produce killers. The first factor is brain damage. “ … This depends on when the damage occurs‚ it is a very precise thing. All of the killers and psychopaths had damage to their orbital cortex‚ right above the eyes.” All of the brains that Mr. Fallon looked at had this in common. The second factor is genetics‚ there is actually a gene for violence‚ MAOA. This gene is only on the X chromosome so it is passed from mothers. This is
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focused on attaining firsts in space exploration‚ which were seen as necessary for national security and symbolic of technological and ideological superiority. The Space Race involved pioneering efforts to launch artificial satellites‚ sub-orbital and orbital human spaceflight around the Earth‚ and piloted voyages to the Moon. It effectively began with the Soviet launch of the Sputnik 1 artificial satellite on 4 October 1957‚ and concluded with the co-operative Apollo-Soyuz Test Project human spaceflight
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of climate change on the Earth” (Pidwirny‚ 2006). These factors when at there maximum or minimum values have significant impact on Earth’s overall climate. . Factors affecting climatological changes include: • Natural changes in the Earth’s orbital characteristics. • Atmospheric gas composition
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absorption of a photon through light or other means of radiations. During this process‚ electrons are excited from their standard state. The electrons jump from their highest unoccupied orbital (HUMO) into a certain level of the unoccupied orbital (LUMO). As the electrons loose energy‚ they fall back to a lower orbital‚ thus emitting light. 1‚ 2 During the process leading to fluorescence‚ a certain change could occur during the excitation of the electron‚ changing the spin of the electron as it gets
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sky. We’ve discovered that today’s Martian wasteland hints at a formerly volatile world where volcanoes once raged‚ meteors plowed deep craters‚ and flash floods rushed over the land. Mars continues to throw out new enticements with each landing or orbital pass made by our new spacecraft. 4. What new technology do you think may be created to expand our knowledge of Mars? In the future‚ I feel like mars is not going to stop making rovers. Although‚ the rovers will be able to last longer and have better
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