Top of Form 1. What is the pH of a buffer that results when 33 g NaHCO3 is mixed with 100.0 mL of 2.50 M NaOH and diluted with water to 250 mL? (Ka for HCO3- = 4.8 10-11) (Points : 10) 8.20 10.07 10.12 10.32 10.56 2. What is the pH of an aqueous solution of 0.30 M HF and 0.15 M F-? (Ka of HF = 7.2 10-4) (Points : 10) 1.83 2.84 3.14 3.44 10.86 3. Which of the following mathematical expressions
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We all know that friend that suffers from “Only child syndrome” and according to Adler’s theory of birth order‚ it does in fact affect how successful you are through many different ways (Krohn 7). Others believe that other consisting factors influence how successful you are and can be in life. “Thus the timing‚ sex‚ and number of children each provide a different condition in which elements of socialization occur” (Lamb 1). Taking the following into account‚ it would make sense to think that a child
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1. TEN GREAT LOW-COST TEACHING TOOLS Educational material created by Prof. Alejandra Masís Artavia‚ 2011. 2. INTRODUCTION This presentation’s aim is to provide teachers with ten low-cost teaching tools. Moreover‚ it seeks to explain the importance of using these tools and how they can be used in several ways‚ as Kevin McCaughey states in his article. 3. Tool 1: Scissors (and scratch paper)Importance of using scissors: they transform a single piece of scratch paper into 10‚ 20‚ and even 50 paper
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Definition and Explanation of Job Order Costing System: A job order costing system is used in situations where many different products are produced each period. For example clothing factory would typically made many different types of jeans for both men and women during a month. In a job order costing system‚ costs are traced to the jobs and then the costs of the job are divided by the number of units in the job to arrive at an average cost per unit. Job order costing system is also extensively
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Variable Cost Behavior [LO1] Espresso Express operates a number of espresso coffee stands in busy suburban malls. The fixed weekly expense of a coffee stand is $1‚200 and the variable cost per cup of coffee served is $0.22. Requirement 1: Fill in the following table with your estimates of total costs and cost per cup of coffee at the indicated levels of activity for a coffee stand. (Round average cost per cup of coffee to 3 decimal places. Omit the "$" sign in your response.) 2‚000 Fixed cost Variable
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Green Lantern Stories in Reading Order 1) Green Lantern: Emerald Dawn 2) Green Lantern: Secret Origin 3) Green Lantern: Emerald Dawn II 4) Green Lantern: The Road Back 5) Green Lantern: A New Dawn 6) Green Lantern: Emerald Knights 7) Green Lantern: Ganthet’s Tale 8) Superman: The Return of Superman 9) Green Lantern: Emerald Twilight & A New Dawn 10) Green Lantern: Baptism of Fire 11) Zero Hour: Crisis in Time 12) Green Lantern: Emerald Allies
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training programs effective a proper planning of them is necessary. Backwoods Mail Order Company is a telephone and mail order company that specialises in camping supplies and outdoor clothing. Orders are taken by 40 employees of the Customer Order Group. They are supervised by 4 supervisors. They work in two shifts‚ viz. 7 AM to 3 PM and 3 PM to 11 PM. Recently‚ they have been facing a lot of return orders. An assessment of the problem showed that 78% returns were due to problems in specifications
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Effect of Temperature on Solubility of a Salt Ahmed Mohammed 17-nov-2013 Abstract In this experiment‚ you will study the effect of changing temperature on the amount of solutet will dissolve in a given amount of water. In this experiment‚ you will completely dissolve different quantities of potassium nitrate‚ KNO3‚ in the same volume of water at a high temperature. As each solution cools‚ you will monitor temperature using a computer-interfaced Temperature Probe and observe
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Mail Order Brides-Is it Ethical Autumn M Leslie COM/156 May 13‚ 2012 Gina Renee Denton Mail Order Brides-Is it Ethical Mail order brides are becoming socially acceptable however is it ethical? Some say that it is morally wrong while others argue that they have tried to find someone on their own without success so that leads them to search for a companion outside their own country. The modern mail-order bride industry in some ways is no different than arranged marriages of the past‚ where
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Southwest Airlines in 2010: Culture‚ Values‚ and Operating Practices * Problem statement: Southwest Airlines has high growth and high profitability. However‚ its cost advantage is not as big as in prior years. * Scenario: Southwest Airlines based in Dallas was founded in 1967 by Rollin King and Herb Kelleher. It is one of the major domestic airliners which provides carrier and transportation service. Southwest primarily provides short haul‚ high frequency‚ point- to point‚ low fare service
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