CHEMICAL REACTIONS OF COPPER AND PERCENT YIELD Objective To gain familiarity with basic laboratory procedures‚ some chemistry of a typical transition element‚ and the concept of percent yield. Apparatus and Chemicals |0.5 g piece of no. 16 or no. 18 copper wire |evaporating dish | |250 mL beaker (2) |weighing paper | |concentrated HNO3 (4 – 6 mL)
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_______(savanna chatham)_________________ Virtual Lab #5- “Which Colors of the Light Spectrum are Most Important for Plant Growth? Instructions: Open the link to Launch “Virtual Lab #6- Photosynthesis” Read all instructions on the left-hand side of the lab. Watch the short Video at the bottom of the lab Complete the “Pre-Lab” Questions. Complete the Lab Activity Record your findings in the “Results” and “Post-Lab” sections and answer all review questions Pre-Lab: 1.) List all of the colors found in the visible
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5.05 Mixtures & Solutions Lab Report By Nathan Mitchell 4/23/15 Background Information & Research 1. Paper Chromatography is a method used for the separation of colors which are also referred to as colored chemicals/substances or pigments. This method is used for experiments‚ to identify coloring agents and to separate out a compound into its various components. 2. 3 real-world uses for paper chromatography include forensic testing‚ performance enhancing drug testing‚ and Ebola immunization. 3.
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ABSTRACT ATM (Automated Teller Machine) is a computerized telecommunications device that provides the clients (Customers) of a financial institution with access to financial transactions in a public space without the need for a cashier‚ human clerk or bank teller. All it needs is an ATM software that manages all these transactions in an efficient manner thereby making them more convenient for the customers and the bank authorities. The software gives planned approach to all the accessible sections
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Virtual Systematics Lab: Introduction to Systematics Worksheet Learning Goal: To learn how biologists classify species based on their evolutionary relationships. Prerequisite Knowledge: Before beginning this lab‚ you should be familiar with these concepts: why biologists today use the three-domain system of classification how evolutionary trees depict biologists’ understandings about the evolutionary relationships among groups of organisms Introduction: Almost every place on Earth‚ from the surface
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September 19‚ 2014 Period 4 Lab #1: Density Determinations for Solutions Theory: The density of a sample of matter is very useful when trying to find the identity of an unknown substance. The units of density are quoted in (g/mL) for liquid samples of matter. For that reason if the volume is known of a liquid‚ determining its density is easily determined by weighing it accurately. Density can also be used as a tool for finding the concentration of solutions in some cases. The density is different
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during the check out process. At this time‚ there have been no plans to alter the ATM fees for customer needing to get cash out. Throughout this study‚ I have five main points to exam. These are: What caused Bank of America to invoke the fee? What was the cost of customer dissatisfaction? Where there any positive effects on either the business or general public? How are customers fighting back? What solutions could have saved Bank of America the headaches? I will take a look at each side of
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Making Molar Solutions and Dilutions Objectives: After performing this lab‚ the student should be able to: • Calculate grams of solute and correctly prepare a molar solution. • Prepare parallel and serial dilutions using C1V1 = C2V2 • Distinguish a parallel dilution from a serial dilution. • Determine whether a parallel or serial dilution should be used in a given situation. • Use a microcentrifuge to make a pellet. Making Molar Solutions and Dilutions A major job of any biotechnician
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its Biological Environment Lab 2 – Which Pest Control is Best for Basil? Name: One of the challenges of agriculture is finding the right balance between growing healthy nutritious food; protecting humans‚ wildlife‚ and the environment from pesticides and herbicides; and ensuring a profit. Scientists and agronomists work together to help find this balance. This lab will give you an opportunity to learn about one of these collaborations. Visit the “Virtual Lab” at http://www.mhhe.com/biosci/genbio/tlw3/virtual_labs/lab17/home
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Unit Five: Lab Assignment #1 1. How does Newton’s law apply to a company’s brand? Explain‚ citing at least one example. A= The more massive a brand the more force it need to change its position. 2. How does Heisenberg’s Uncertainty Principle apply to market research? Explain. A= With the active observing consumers changes their behavior‚ you are able to measure what the consumers actually do vs what they say they do. 3. How does the scientific method apply to marketing? Explain‚ citing an example
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