HOMEWORK CHAPTER 1 KEY

HOMEWORK CHAPTER 1 KEY - HOMEWORK CHAPTER 1 KEY 34. a....

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HOMEWORK CHAPTER 1 KEY 34. a. 6.022 x 10 23 x 1.05 x 10 2 = b. c. 1.285 x 10 -2 + 1.24 x 10 -3 + 1.879 x 10 -1 d. 1.285 x 10 -2 – 1.24 x 10 -3 e. f. g. 40. Although the preferred SI unit of area is the square meter, land is often measured in the metric system as hectares (ha). One hectare is equal to 10,000 m 2 . In the English system, land is often measured in acres (1 acre = 160 rod 2 ). Use the exact conversions and those given in Exercise 39 to calculate the following. a. 1 ha = ________km 2 b. The area of a 5.5-acre plot of land in hectares, square meters, and square kilometers.
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c. A lot with dimensions 120 ft by 75 ft is to be sold for $6500. What is the price per acre? What is the price per hectare? 48. A children’s pain relief elixir contains 80. mg of acetaminophen per 0.50 teaspoon. The dosage recommended for a child who weighs between 24 and 35 lb is 1.5 teaspoons. What is the range of acetaminophen dosages, expressed in mg acetaminophen/kg body weight, for children who weigh between 24 and 35 lb.
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This note was uploaded on 07/22/2008 for the course CHEM 105A taught by Professor Bau during the Summer '04 term at USC.

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HOMEWORK CHAPTER 1 KEY - HOMEWORK CHAPTER 1 KEY 34. a....

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