01.07 Accuracy and Precision: Balance Lab Worksheet Calculations Show all of your work for each of the following calculations and be careful to follow significant figure rules in each calculation. 1. Part I: Density of Unknown Liquid 1. Calculate the mass of the liquid for each trial. (Subtract the mass of the empty graduated cylinder from the mass of the graduated cylinder with liquid.) Trial 1 36 - 25.5 = 10.5 Trial 2 36.5 - 25.5 = 11 Trial 3 36.9 - 25.5 = 11.4 2. Calculate the
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Procedure Access the virtual lab and complete the experiments. Part One (Flame Test): 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame: Barium-green Calcium-red Sodium-yellow Rubidium-purple Potassium-blue Lithium-pink 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did.: Unknown 1-yellow. I think it is Sodium because
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Severn Cullis-Suzuki gave the speech at the UN Earth Summit of 1992‚ when she was only 12 years old. E.C.O raised money with members of ECO‚ to attend the Summit in Rio de Janeiro. Severn Cullis-Suzuki personally wrote the entire speech (below) Hello‚ I’m Severn Suzuki speaking for E.C.O. - The Environmental Childrens Organisation. We are a group of twelve and thirteen-year-olds trying to make a difference: Vanessa Suttie‚ Morgan Geisler‚ Michelle Quigg and me. We raised all the money ourselves
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historic piece of legislation that permits Indian tribes to withdraw funds held in their account for the purpose of managing those funds themselves. However as soon as money is taken out from these accounts the U.S is no longer responsible for it. 5. Section 465- authorizes the Secretary to purchase fee land with federal funds‚ convert land into trust status‚ nd assign it to an Indian tribe. Meaning they can aquire additional trust land. 6. Public Land 280- main intent was to eliminate lawlessness
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Unit 5-The principles underpinning the role of the Practitioner working with Children E1 As a childcare worker it is important to develop professional relationships with children‚ families‚ colleagues and other professionals. One way I can develop a professional relationship with parents is to always be approachable‚ to listen to what they say‚ be honest with them and always keep them up to date with any changes. This gives them confidence to speak to me about any concerns they have. With
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the fix shaft between the gates. 2. Place a short strip of timer tape in the recording timer over the paper disc. 3. Make sure the tape is threaded through the gates and is free of snags. 4. Turn the timer on and pull the strip through the gates. 5. Make sure you are getting dots on the underside of the tape. 6. Use the test tape to decide on the best speed to pull the tape‚ so that the dots are easy to read. 7. Place a +1.5 meter piece of tape in the timer. 8. Pull the tape through a gentle
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Chromatography Lab Questions Pre-Lab Questions 1. A pencil is used rather than a pen to mark the “starting line” in step two because a pen or marker while be used to place a small dot of ink in the center of the X that is made with a pencil. 2. Capillary action is filling of pores in a solid with a liquid. Capillary action is caused by spotting or absorption and is allowed to seep or flow through. 3. The type of pen that will probably give better separation in this paper chromatography
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Lab 9 Working with Printers Exercise 9.1 Installing a Printer Overview Contoso‚ Ltd. has just taken delivery of several new printers that the IT director purchased through an auction. He has assigned you the task of installing the printers and making them available to the users of the company network. For the first printer‚ you intend to connect the unit directly to an LPT port in the Windows 7 computer that will function as the print server. In Exercise 9.1‚ you install the driver for the printer
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Over the last several years‚ state and local governments have been firing shots across the bow of the Interactive Video Game Industry‚ seeking to constrain increasingly graphic and violent content found in current interactive games. The federal government has now jumped into the fray‚ with proposed legislation seeking to punish the marketing of violent media to children. With the cyber-world of Internet role-playing games about to explode‚ increasing pressure will be brought to bear by morality groups
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Running head: BIG 5 Assignment #1 Big Five Personality Traits Mary D. L. (Lorrie) Allen Organizational Behavior Dr. James J. Kolacek February 3‚ 2013 Strayer University The Big Five model is a personality theory that describes personality using five basic traits. Openness to experience
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