Exercise 10 Acid/Base Balance NAME 1. Match each of the definitions in Column A with the appropriate description in Column B. Column A Column B F 1. pH E 2. acid D 3. base A 4. acidosis B 5. alkalosis C 6. carbon dioxide a. condition in which the human body’s pH levels fall below 7.35 b. condition in which the human body’s pH levels rise above 7.45 c. mixes with water in the blood to form carbonic acid d. substance
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Acid and Base Titrations: Preparing Standardized Solutions Introduction: This experiment focuses on titrations of acids and bases. A titration depends on addition of a known volume of solution and is a type of volumetric analysis. Many titrations involve either acid-base reactions or oxidation-reduction reactions. In this experiment we do one of each. We monitor the pH of the reaction with the use of a color indicator. We also learn about the standardization of bases (NaOH) and acids (HCl) which
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CROSBY CORPORATION Statement of Cash Flows For the Year Ended December 31‚ 2008 Cash flows from operating activities: Net income (earnings after taxes)…………………………………… 160‚000 Adjustments to determine cash flow from operating activities: Add back depreciation…………………………………………….. $150‚000 Increase in accounts receivable…………………….…………… (50‚000) Increase in inventory………………………………………………. (20‚000) Decrease in prepaid expenses…………………………………
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help the students with their curiosities or problems. An important part of this school system is that the students at this school must start attending this school from an early age. Older transfer students are not allowed. The reason for this is that this way of active learning can be easily taken advantage of by students who come from an institutionalized environment. Because they are used to being forced to do homework and take tests that when they come to this school they would most likely just
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mean of 120 calls per hour. What is the probability of no calls in a one-minute interval? .1353 2. A school is sending 18 children to a camp. If 15% of the children in the school are first graders‚ and the 18 children are selected at random from among all 6 grades at the school‚ find the mean and variance of the number of first graders chosen? The mean is 2.7‚ and the variance is 2.3. n = 18 p = .15 q = .85 Mean = np = 18 x .15 = 2.7 Variance = npq = (18 x .15 x .85) = 2.295
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Would you rather have $___ today or $1 a day for the rest of your life? How would you go about valuing this amount? • What happens to a company’s equity when assets rise $1 million and liabilities fall $2 million? • What does it mean when cash flow from operations on a company’s cash flow statement is negative? Is this bad news? If so‚ is it dangerous? • Suppose that you constructed a pro forma balance sheet for a company and the estimate for external funding required was negative. How would you
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reaction schemes should include molecular weights and any other important physical data for the reagents and products. Ex. Cyclohexanol was oxidized to cyclohexanone using sodium dichromate in the presence of sulfuric acid. * Note: you can download a free version of a structure editor from ACD labs‚ the PC version is called chemsketch‚ the Mac version is called marvinsketch. You should learn how to draw structures using these programs. Lab reports should look professional and they should not have hand
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UPSC Mains - General Studies - Geography of India Physiography 1. What do you understand by Deccan Trap? Describe its characteristics. (1995/20) 2. Why do the Western Ghats receive more rainfall than the Eastern Ghats? (1995/3) 3. Mention the advantages which India enjoys being at the head of the Indian Ocean. (1996/15) 4. What are the geo-economic causes of underdevelopment of various regions in India? (1998/15) 5. How do the Andaman and Nicobar Islands and the Lakshadweep differ in the
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Alanine (ala‚ A) (neutral‚ non-polar) Arginine (arg‚ R) (basic‚ polar) Asparagine (asn‚ N) (neutral‚ polar) Aspartic Acid (asp‚ D) (acidic‚ polar) Cysteine (cys‚ C) (neutral‚ slightly polar) Glutamic Acid (glu‚ E) (acidic‚ polar) Glutamine (gln‚ Q) (neutral‚ polar) Glycine (gly‚ G) (neutral‚ non-polar) Histidine (his‚ H) (basic‚ polar) Isoleucine (ile‚ I) (neutral‚ non-polar) Leucine (leu‚ L) (neutral‚ non-polar) Lysine (lys‚ K) (basic‚ polar) Methionine (met‚
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Nitric Acid Nitric acid is an acid many people have come across in life. One may have felt nitric acid when touching fertilizers‚ or using dyes. Nitric acid appears in substances we never thing it would be used in. In fact‚ small contents of nitric is acid is found in raindrops that fall from the sky. Nitric acid‚ or known as NHO3aq is an acid formed from reaction of ammonia and oxygen. Nitric acid is a colourless acid when it’s pure‚ or can be found yellow or red. This acid can be very corrosive
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