BuyFind

Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
BuyFind

Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759

Solutions

Chapter 1, Problem 1.12P
Textbook Problem

1-12 The life expectancy of a citizen in the United States is 76 years. Eighty years ago it was 56 years. In your opinion, what was the major contributor to this spectacular increase in life expectancy? Explain your answer.

Expert Solution
Interpretation Introduction

Interpretation:

The reasons for the enormous increase in the life expectancy of a citizen in United States over the period are to be given.

Concept Introduction:

Life expectancy is basically the average period which a person is expected.

Answer to Problem 1.12P

Life expectancy of a citizen in United States over the period of time is increased due to the various development of science in medical field.

Explanation of Solution

From the last 10 decades science grow in many fields such as.

  1. Many medicines are discovered as a cure of diseases.
  2. Techniques of organ transplant are also developed.
  3. Many treatments are available for diseases.

Above mentioned factors are responsible for the enormous increase in the life expectancy of a citizen in United States over the period.

Conclusion

Life expectancy of a citizen in United States over the period is increased due to the various development of science in medical field.

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Chapter 1 Solutions

Introduction to General, Organic and Biochemistry
Ch. 1.9 - Problem 1-11 It required 88.2 Cal to heat 13.4 g...Ch. 1 - 1-12 The life expectancy of a citizen in the...Ch. 1 - 1-13 Define the following terms: (a) Matter (b)...Ch. 1 - 1-14 In Table 1-4, you find four metals (iron,...Ch. 1 - 1-15 In a newspaper, you read that Dr. X claimed...Ch. 1 - 1.16 Classify each of the following as a chemical...Ch. 1 - 1-17 Write in exponential notation: (a) 0.351 (b)...Ch. 1 - 1-18 Write out in full: (a) 4.03 × l05 (b) 3.2 ×...Ch. 1 - 1-19 Multiply: (a) (2.16 × 105) (3.08 × 1012) (b)...Ch. 1 - 1-20 Divide: 6.0210232.871010 3.142.93104...Ch. 1 - 1-21 Add: (a) (7.9 × 104) + (5.2 × 104) (b) (8.73...Ch. 1 - 1-22 Subtract: (8.50 × 103) — (7.61 × 102) (9.120...Ch. 1 - Prob. 1.23PCh. 1 - 1-24 Solve: (9.52104)(2.77105)(1.39107)(5.83102)Ch. 1 - 1-25 How many significant figures are in the...Ch. 1 - 1-26 How many significant figures are in the...Ch. 1 - 1-27 Round off to two significant figures: (a)...Ch. 1 - 1-28 Multiply these numbers, using the correct...Ch. 1 - 1.29 Divide these numbers, using the correct...Ch. 1 - 1-30 Add these groups of measured numbers using...Ch. 1 - 1-31 In the SI system, the second is the base unit...Ch. 1 - 1-32 How many grams are in the following? (a)1 kg...Ch. 1 - 1-33 Estimate without actually calculating which...Ch. 1 - 1-34 For each of these, tell which figure is...Ch. 1 - 1-35 You are taken for a helicopter ride in Hawaii...Ch. 1 - 1-36 Convert to Celsius and to Kelvin: (a) 320oF...Ch. 1 - 1-37 Convert to Fahrenheit and to Kelvin: (a) 25oC...Ch. 1 - 1-38 Make the following conversions (conversion...Ch. 1 - 1.39 Make the following metric conversions: (a)964...Ch. 1 - There are 2 bottles of cough syrup available on...Ch. 1 - 1-41 A humidifier located at a nursing station...Ch. 1 - 1-42 You drive in Canada where the distances are...Ch. 1 - 1-43 The speed limit in some European cities is 80...Ch. 1 - 1-44 Your car gets 25.00 miles on a gallon of gas....Ch. 1 - 145 Children’s Chewable Tylenol contains 80. mg of...Ch. 1 - 1-46 A patient weighs 186 lbs. She must receive an...Ch. 1 - 1-47 The doctor orders administration of a drug at...Ch. 1 - 1-48 The recommended pediatric dosage of Velosef...Ch. 1 - 1-49 A critical care physician prescribes an IV of...Ch. 1 - 1-50 If an IV is mixed so that each 150 mL...Ch. 1 - 1-51 A nurse practitioner orders isotonic sodium...Ch. 1 - 1-52 An order for a patient reads Give 40. mg of...Ch. 1 - 1-53 Which states of matter have a definite...Ch. 1 - 1.54 Will most substances be solids, liquids, or...Ch. 1 - 1-55 Does the chemical nature of a substance...Ch. 1 - 1-56 The volume of a rock weighing 1.075 kg is...Ch. 1 - 1-57 The density of manganese is 7.21 g/mL, that...Ch. 1 - 1.58 The density of titanium is 4.54 g/mL. What is...Ch. 1 - 1-59 An injection of 4 mg of Valium has been...Ch. 1 - 1-60 The density of methanol at 20oC is 0.791...Ch. 1 - 1-61 The density of dichloromethane, a liquid...Ch. 1 - 1-62 A sample of 10.00 g of oxygen has a volume of...Ch. 1 - 1-63 Crystals of a material are suspended in the...Ch. 1 - 1-64 On many country roads, you see telephones...Ch. 1 - 1-65 While you drive your car, your battery is...Ch. 1 - 1-66 How many calories are required to heat the...Ch. 1 - 1-67 If 168 g of an unknown liquid requires 2750...Ch. 1 - 1-68 The specific heat of steam is 0.48 cal/g oC....Ch. 1 - 1-69 (Chemical Connections 1A) If the recommended...Ch. 1 - 1-70 (Chemical Connections IA) The average lethal...Ch. 1 - 1.71 (Chemical Connections 1B) How does the body...Ch. 1 - 1-72 (Chemical Connections 1B) Low temperatures...Ch. 1 - 1-73 (Chemical Connections 1C) Which would make a...Ch. 1 - 1-74 The meter is a measure of length. Tell what...Ch. 1 - 1-75 A brain weighing 1.0 lb occupies a volume of...Ch. 1 - 1-76 If the density of air is 1.25 10-3 g/cc,...Ch. 1 - 1-77 Classify these as kinetic or potential...Ch. 1 - 1-78 The kinetic energy possessed by an object...Ch. 1 - 1-79 A European car advertises an efficiency of 22...Ch. 1 - 1-80 In Potsdam, New York, you can buy gas for...Ch. 1 - 1-81 Shivering is the body’s response to increase...Ch. 1 - 1-82 When the astronauts walked on the Moon, they...Ch. 1 - 1-83 Which of the following is the largest mass...Ch. 1 - 1-84 Which quantity is bigger in each of the...Ch. 1 - 1-85 In Japan, high-speed “bullet trains” move...Ch. 1 - 1-86 The specific heats of some elements at 25oC...Ch. 1 - 1-87 Water that contains deuterium rather than...Ch. 1 - 1-88 One quart of milk costs 80 cents and one...Ch. 1 - 1-89 Consider butter, density 0.860 g/mL, and...Ch. 1 - 1-90 Which speed is the fastest? (a) 70 mi/h (b)...Ch. 1 - 1-91 In calculating the specific heat of a...Ch. 1 - 1-92 A solar cell generates 500. kJ of energy per...Ch. 1 - 1-93 The specific heat of urea is 1.339 J/g . If...Ch. 1 - 1-94 You are waiting in line in a coffee shop. As...Ch. 1 - 1-95 You receive an order for 60. mg of meperidine...Ch. 1 - 1-96 You are on vacation in Europe. You have...Ch. 1 - 1-97 You have just left Tucson, Arizona, on I-19...Ch. 1 - 1-98 The antifreeze-coolant compound used in cars...Ch. 1 - 1-99 In photosynthesis, light energy from the sun...Ch. 1 - 1-100 What is the difference between aspirin...Ch. 1 - 1-101 In Canada, a sign indicates that the current...Ch. 1 - 1-102 In very cold weather, ice fishing...Ch. 1 - 1-103 Most solids have a higher density than the...Ch. 1 - 1-104 A scientist claims to have found a treatment...Ch. 1 - 1-105 Heats of reaction are frequently measured by...Ch. 1 - 1-106 You have samples of urea (a solid at room...Ch. 1 - 1-107 You have a sample of material used in folk...Ch. 1 - 1-108 Many substances that are involved in...Ch. 1 - 1-109 If 2 kg of a given reactant is consumed in...Ch. 1 - 1-110 A patient is to receive 1 Liter of IV fluid...Ch. 1 - 1-111 In the hospital, your doctor orders 100. mg...Ch. 1 - 1-112 A febrile, pediatric patient weighs 42...

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