Analysis of a Copper Sulfate Sample Empirical Formula of Hydrous Copper Sulfate Joel Ramirez 9/25/2012 10/2/2012 The purpose of this experiment is to find the empirical formula of a hydrous copper sulfate sample and the amount of water in the sample. This whole process will be determined in three different experiments. Procedure: Experiment 1 – Percentage of water in sample. The percentage of water in hydrous copper sulfate was determined. Clean‚ dry and weight the crucible
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PROBLEMS 1. Table 3.3 shows the December 31‚ 2009 pro- forma balance sheet and income statements for R& E Supplies‚ Inc. The pro- forma balance sheet shows that R& E Supplies will need external funding from the bank of $ 1.4 million. However‚ they show $ 1.27 million in cash and short- term securities. Why are they going to the bank when they have most of the required amount in their cash account? 2. Pro forma financial statements‚ by definition‚ are predictions of a company’s financial statements
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HEC Paris Financial Markets Spring 2012 Final Exam “Cheat Sheet” 0. Basic Statistics (a) Consider an n-outcome probability space with probabilities p1 ‚ p2 ‚ . . . ‚ pn . Consider two discrete random variables X and Y with outcomes (X1 ‚ X2 ‚ . . . ‚ Xn ) and (Y1 ‚ Y2 ‚ . . . ‚ Yn ). 2 The we have the following formulas for means (µX ‚ µY )‚ variance (σX )‚ standard deviation (σX )‚ covariance (σX‚Y )‚ and correlation (ρX‚Y ) µX = EX = E(X) = p1 X1 + p2 X2 + · · · + pn Xn µY = EY = E(Y ) =
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U.S. History Europe England: Economics – enclosure o Economy began to revive o Enclosure: property owners fence off land for grazing Squatters kicked off Hiof land => landless population o Colonies = solution for landless peoples Merchant capitalism o Merchants in look for investment opportunities Development of joint-‐stock companies Nationalism o Spain = Britain’s greatest rival o Defeat of Spanish
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University of Phoenix Material Literature Search Worksheet * Select a literature search topic relevant to your practice. The topic must be sufficiently delineated in scope without being trivial. You will revisit this article in the Week Five presentation. Possible topics include but are not limited to: * * Non-pharmacological pain relief with childbirth * Effects of shift work and fatigue on medication errors * Best practices for pin site care * Nurse satisfaction in
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Market Structure | NumberofSellers | TypeofProduct | BarrierstoEntry? | DemandCurve | Profit Maximization Condition | Perfect Competition | Many | Homogenous | No | Horizontal (perfectly elastic) | MR = MC | Monopoly | One | Unique | Yes | Downward Sloping | MR = MC | Monopolistic Competition | Many | Differentiated | No | Downward Sloping | MR = MC | Oligopoly | Few | Homogenous or Differentiated | Yes | Downward Sloping | MR = MC | The natural monopoly may be regulated through price‚ profit
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Topic 1 Part I - Multiple Choice Questions 1 Which two particles have approximately the same mass? (1) proton and neutron (3) neutron and electron (2) proton and electron (4) neutron and positron 2 Which statement is true about a proton and an electron? (1) They have the same masses and the same charges. (2) They have the same masses and different charges. (3) They have different masses and the same charges. (4) They have different masses and different charges. 3 The atomic
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Claims about gluten in food: a guide for caterers The rules on making claims about gluten in food are changing on the 1 January 2012 and you may no longer be able to call your food ‘gluten-free’. It’s important that you train your staff who work with food so they understand the new descriptions and exactly what they mean. Your staff can then explain to customers what the foods contain and how they are made. What is gluten? Gluten is a protein found in cereals such as wheat‚ rye‚ barley‚ and
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1. Assume 20% of all email is spam. A large Internet provider plans on conducting a survey of 900 emails to see what percentage are spam. a. What is the probability they will get a proportion greater than 0.1836? b. If they get a sample proportion over 24% they are going to shut down their email server. What is the probability this will happen? 2. A survey is done to estimate the proportion of U.S. adults who think that cell phone use while driving should be illegal. In the survey‚ 54%
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Name: Date: Study/answer the following questions in order to prepare for your test Answer true/false for the following: Pollen can be carried by wind‚ animals‚ or water. Animal-pollinated plants have fragrant or showy flowers to attract the animals. Fungi‚ such as mold‚ Baker’s yeast‚ and mushrooms produce almost no spores. When environmental conditions are harsh‚ some bacteria form thick-walled‚ resistant spores‚ called ectospores The hard outer layer‚ or shell‚ of a pollen grain or
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