DETERMINATION OF % COMPOSITION OF PENNIES USING REDOX AND DOUBLE DISPLACEMENT (PRECIPITATION) REACTIONS Pre- Lab 8 Objective: The purpose of this experiment is to determine the percent composition of pennies using oxidation-reduction and double displacement reactions as well as titration techniques. We will take a post 1982 penny and place in a strong acid dissolving the zinc core and leaving behind the copper coating. We will figure out the percent composition from the mass of copper and zinc using
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Exercise 8: Range/Endurance Givens Conditions: Gross Weight for Beginning of Cruise = 300‚000 lbs Gross Weight at End of Cruise = 200‚000 lbs Altitude = FL350 Standard Conditions Wing Area = 3050 ft2 Wing Span = 156 ft Wing Efficiency = .75 CDp = 0.0119 Twin turbofan engines Figure 2.1 Figure 6.5 Figure 13.2 No need to take into account Temperature Ram Rise 1. Find Equivalent Airspeed‚ True Airspeed‚ and Mach for best range at FL350 and Sea Level at W = 300‚000 lb. (Use Figure 13.2 and Equations
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Q 1: Perform Verify and Count Commands for all three tables and identify any exceptions. Verify Tests: 0 data validity errors detected in Jaysberg_Auth_Prices‚ Jaysberg_Sales_Returns‚ and Jaysberg_Sales_Trans‚ and the counts were respectively: 101‚ 55‚ and 383. Count Command: Q 2: Test the accuracy of the monthly postings to the general ledger. Note that the table includes a month code. Monthly sales per the general ledger are provided below: I compared the monthly postings to the general
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Unit 8 – Promote and implement Health and Safety within the Health and Social Care Setting As a support worker I and all of my colleagues including other support workers‚ team leaders and the manager have roles and responsibilities regarding health and safety within the workplace. Our role as a team is to prevent any health or safety hazards to the highest standard that we can so that service users and anyone within the workplace including employees and family members of service users are not
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NH3‚ CH3Cl CHEM 331 – 2014 Dr. Roland Roesler 8-1 Symmetry: Character Tables BF3‚ CO32ˉ 2C3 stands for C31 and C32. C33 = E. The first column provides a list of symmetry labels corresponding to irreducible representations: A and B indicate non-degenerate A indicates symmetric with respect to rotation about the principal axis B indicates anti-symmetric with respect to rotation about the principal axis CHEM 331 – 2014 Dr. Roland Roesler 8-2 Symmetry: Character Tables BF3‚ CO32ˉ E indicates
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ESCI 1102 Lab 8 Population Change Directions: Listed below are this Learning Module lab questions to answer. When completed‚ upload this file back to the Lab dropbox (where you downloaded in the first place). FYI: I really like it when the answers are in a different format/color than the questions. It helps when grading. Part 1. Population Biology is an online virtual lab that will illustrate how competition affects population growth. Follow the instructions given. Two species of unicellular
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drivers are allowed to drive. For our purposed‚ however‚ we will look at the debate over whether or not there should be a law banning general cell phone usage. This is a very sensitive subject‚ mostly because both sides present some logical arguments‚ but a variety of fallacies can be found on both sides of this hot issue. This entire debate is nothing new. Distracted driving has been a hot topic since 1905‚ and there were no cell phones back then. The big advancement in technology then was windshield
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MASTERS IN ISLAMIC FINANCE PRACTICE (MIFP) Assignment for QM5013 QUANTITATIVE ANALYSIS "Topic " Tutorial EIGHT Answers Semester June‚ 2014 Facilitator: PROF. Assoc. Prof Dr. Baharom Abd Hamid Name: MUSTAFA KASSIM AHMED ID: 1100386 TUTORIAL 8 QUANTITATIVE ANALYSIS QUESTION 1: A sample of 40 observations is selected from one population with a population standard deviation of 5. The sample mean is 102. A sample of 50 observations is selected from a second population with a population
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Portrait photography What is portrait photography? Portrait photography is photographs of a person or a group of people that shows the expression‚ personality‚ and mood of the subject. Like other types of portraiture‚ the focus of the photograph is usually the person’s face however‚ the background and setting may be included to make the image more effective and meaningful. What portrait photographers main aims are to focus on the person’s face. They aim to give emphasis on the face of the person
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Unit 8- caring for children E1 In a childcare setting the practitioners has an important role in supporting children. In a childcare setting the practitioner needs to help the children learn and achieve their full potential in their development stages; they must understand where the children are at in their development and know what they should be trying to achieve next‚ the practitioner can do this by spending time with the child and learning what the child can do and what they are struggling
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