Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Question
Chapter 1.9, Problem 1.11P
Interpretation Introduction
Interpretation:
Specific heat that given by 88.2 calorie heat for a 13.4 g unknown substance to heat from temperature 23°C to 176°C should be identified.
Concept Introduction:
Specific heat:
The heat required to raise temperature by one degree for per unit gram mass of any substance or atom is known as specific heat.
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4. How much energy is removed from 500.0 g of water when the temperature is lowered by 1.10 o C?
Answer: -550. cal (or -2.30 x 103 J)
5. How much energy is required to raise the temperature of 1000.0 g of water from 23.00 o C to 26.00 o C?
Answer: 3.00 x 103 cal (or 1.26 x 104 J)
6. The specific heat of copper is (0.0924 cal/go C), how much energy is required to raise the temperature of 10.0 g of copper by 100.0 o C?
Answer: 92.4 cal
Problem 1. Determining a heat capacity. (Cwater = 4.184 J/g-K)
The first five questions are part of problem 1. Please refer back to this problem statement if you need to refresh your memory.
A student has a coffee-cup calorimeter with 50.0 g of water at 21.5oC. They introduce 15.525 g of magnesium metal initially at 100.0oC. The final temperature of the calorimeter came to 27.2oC.
What is the value for ΔΔTwater in kelvin?
What is the value of ΔΔTmagnesium in kelvin?
What is the sensible heat change of magnesium, qmagnesium , in joules?
What is the sensible heat change of water, qwater, in joules?
What is the sensible heat change of magnesium, qmagnesium , in joules?
What is Cmagnesium in J/g-K?
Problem 1. Determining a heat capacity. (Cwater = 4.184 J/g-K)
The first five questions are part of problem 1. Please refer back to this problem statement if you need to refresh your memory.
A student has a coffee-cup calorimeter with 50.0 g of water at 21.5oC. They introduce 15.525 g of magnesium metal initially at 100.0oC. The final temperature of the calorimeter came to 27.2oC.
What is the value for ΔΔTwater in kelvin?
Chapter 1 Solutions
Introduction to General, Organic and Biochemistry
Ch. 1.3 - Problem 1-1 Multiply: (a) (6.49107)(7.22103) (b)...Ch. 1.4 - Problem 1-2 Convert: (a) 64.0oC to Fahrenheit (b)...Ch. 1.5 - Prob. 1.3PCh. 1.5 - Problem 1-4 Convert the speed of sound, 332 m/s to...Ch. 1.5 - Problem 1-5 An intensive care patient is receiving...Ch. 1.7 - Problem 1-6 The density of titanium is 4.54 g/mL....Ch. 1.7 - Problem 1-7 An unknown substance has a mass of...Ch. 1.7 - Prob. 1.8PCh. 1.9 - Problem 1-9 How many calories are required to heat...Ch. 1.9 - Problem 1-10 A 100 g piece of iron at 25oC is...
Ch. 1.9 - Prob. 1.11PCh. 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 - Prob. 1.16PCh. 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 - Prob. 1.20PCh. 1 - Prob. 1.21PCh. 1 - Prob. 1.22PCh. 1 - Prob. 1.23PCh. 1 - Prob. 1.24PCh. 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 - Prob. 1.36PCh. 1 - Prob. 1.37PCh. 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 - Prob. 1.53PCh. 1 - Prob. 1.54PCh. 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 - Prob. 1.63PCh. 1 - Prob. 1.64PCh. 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 - Prob. 1.69PCh. 1 - 1-70 (Chemical Connections IA) The average lethal...Ch. 1 - Prob. 1.71PCh. 1 - Prob. 1.72PCh. 1 - 1-73 (Chemical Connections 1C) Which would make a...Ch. 1 - Prob. 1.74PCh. 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 - Prob. 1.80PCh. 1 - Prob. 1.81PCh. 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 - Prob. 1.94PCh. 1 - 1-95 You receive an order for 60. mg of meperidine...Ch. 1 - Prob. 1.96PCh. 1 - Prob. 1.97PCh. 1 - 1-98 The antifreeze-coolant compound used in cars...Ch. 1 - Prob. 1.99PCh. 1 - Prob. 1.100PCh. 1 - Prob. 1.101PCh. 1 - Prob. 1.102PCh. 1 - Prob. 1.103PCh. 1 - Prob. 1.104PCh. 1 - Prob. 1.105PCh. 1 - Prob. 1.106PCh. 1 - Prob. 1.107PCh. 1 - Prob. 1.108PCh. 1 - Prob. 1.109PCh. 1 - Prob. 1.110PCh. 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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