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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sociologists at the Chicago school became renowned for its interests in crime and urban life. (Marsh I 2009) They believed that the industrializing and urbanizing of societies brought social disorganization causing an increase in social problems particularly‚ crime. Influenced by Durkheim’s research‚ the Chicago School saw crime as a social phenomenon. They claimed that certain areas and neighbourhoods were uncontrollable and chaotic due to rapid social changes caused by industrialisation and urbanization
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The reason for this 1000 word RBI is to show the importance of obeying orders and regulations when given to you by an Non Commissioned Officers. When given a order by a Non Commissioned Officer it is to be presumed it is a lawful order. If it is not that is the only time you may refuse to do that order but you must be tactful on how you say that you refuse to do that order. If you do not obey the order or regulation that is given to you by th Non Commissioned Officer it falls under disrespect and
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Lord of the Flies How does Golding develop ideas about order and disorder in the first 6 chapters of the novel? The main theme and concern in the novel Lord of the Flies is the conflict between civilisation and savagery. Golding develops this idea about order and disorder by using the two main characters Ralph and Jack‚ symbolism of the conch shell and foreshadowing to portray the instinct to live by the rules employed by the boys on the island‚ and value the group against their own desires‚ to
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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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EOQ INVESTIGATION. PAPER. ECONOMIC ORDER QUANTITY (EOQ) An Economic Order Quantity is the optimal number of order that minimizes total variable costs required to order and hold inventory‚ that is to say‚ that EOQ helps us to determine the appropriate amount and frequency when ordering and holding inventory. EOQ is used as part of a continuous review inventory system‚ in which the level of inventory is monitored at all times‚ and a fixed quantity is ordered each time the inventory level reaches
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individual that we seek for guidance‚ for inspiration‚ or to simply to save us from our troubles. To some they are know as heroes‚ but to me they are known as my mom and dad‚ they were always by my side in any situation I was in and they always kept their best interest at heart. No matter where I was in school‚ my parents were always behind me. Most noticeably in my high school career; my mother and father always push me to my limits to achieve better‚ but that’s just the surface they always had time
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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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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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In Shirley Jackson ’s short story "The Lottery" she represents an average society with seemingly common order and widely developed traditions which everybody is forced or even glad to follow whatever they are. First we see how everybody has traditionally defined roles within the community: men‚ women and even children know well how they are expected to behave. Men are the dominating part; they have the right to make decisions for their families. Women have a subordinate position: they are supposed
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