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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encouraging them for the deadly battle soon to be referred to as D-Day. Eisenhower had a plan to invade Germany and defeat the Nazis once and for all with the Allied forces’ improved weaponry and soldiers‚ opposed to the Nazis flailing power. In his speech “Order of the Day”‚ General Dwight D. Eisenhower uses the rhetorical devices of logos‚ ethos‚ and pathos within diction and syntax for tone to convey his encouraging
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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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Importance of control Q.3. Describe the Importance of Control. Importance of Control The major benefits of a good control system may enlisted as follow: 1. Stimulates Action A good control system stimulates action by spotting the significant deviations from the original plan and by highlighting them for the people who set thing right i.e.‚ who can take corrective action. Thus‚ it guides and keeps the organization’s operations on the right back. 2. Facilities Decentralization and Coordination
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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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Importance of Communication By: SPC Eric J. Seiberling Importance of Communication SPC Eric J. Seiberling – 2 What is the importance of communication? In the following pages‚ I will attempt to answer that very question. In addition‚ I will also answer‚ “What are the barriers that restrict people from communicating effectively?” and “What are the different forms of communication?” I hope that by the end of this paper I will have displayed my own personal communication
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IMPORTANCE OF RESEARCH IN SCHOOL SOCIETY AND TEACHER The importance of research for education Research is important because it allows us to assess and review the quality of schools and education. It allows us to for improvement and policy change. It is help to find how research affects in your community. It is presents more information for examination. This is allow us for improvements based on better information and study. Education research is a field of inquiry aimed at advancing knowledge
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In order for a new born baby to breathe‚ they need for their lungs to be able to expand. Surfactant help the expansions of the lungs by reducing the surface tension. It is essential to perform this experiment to understand the function of surfactant in the respiratory system. Base on this information‚ it can be hypothesis that when dish washer is added to the food coloring and the milk‚ the food coloring will reduce the friction between milk and dish washer. Diana Correa The importance of surfactant
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There are two articles‚ which talks about how high technology influences and connects with humans’ lives respectively. In Lisa Belkin’s essay “The Made-to-Order Savior”‚ she describes a medical technology that greatly relieves a child’s blood disease through bone-marrow transplant. In order to increase the odds of transplant‚ the bone-marrow donor should be the patient’s brothers or sisters so that their core blood can get match. Although this technology saves children’
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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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