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
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
thumb_up100%
Chapter 1.9, Problem 1.9P
Problem 1-9
How many calories are required to heat 731 g of water from 8oC to 74oC?
Check your answer to see whether it is reasonable.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Problem 2-75 only
Can you help me?
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
Sign S or R
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Problem 1-10 A 100 g piece of iron at 25oC is heated by adding 230. cal. What will be the final temperature? Check your answer to see whether it is reasonable.arrow_forwardProblem 1-4 Convert the speed of sound, 332 m/s to mi/h. Check your answer to see whether it is reasonable.arrow_forwardanswer p, qarrow_forward
- They are all one question. What is the energy change when the temperature of 11.1 grams of liquid mercury is decreased from 38.7 °C to 21.6 °C ?Answer: _____Joules. What is the energy change when the temperature of 14.7 grams of solid zinc is decreased from 37.7 °C to 23.0 °C ?Answer: _____Joules. How much energy is required to raise the temperature of 13.8 grams of gaseous neon from 23.9 °C to 35.7 °C ?Answer: ____Joules.arrow_forwardInstruction: Find the following ΔH for the reaction below. ACl5(g) → ACl3(g) + Cl2(g) ΔH = ? Given:A4(s) + 6Cl2(g) → 4ACl3(g) ΔH = -2439 kJ4ACl5(g) → A4(s) + 10Cl2(g) ΔH = 3438 kJarrow_forward9.4 What is the energy change when the temperature of 11.9 grams of solid platinum is decreased from 39.4 °C to 23.8 °C ?Answer: _ Joules.arrow_forward
- answer f g h i jarrow_forwardAnswer G H I J K Larrow_forwardBackground info: A unit of heat energy=calorie=amount of heat that raises 1 g of liquid water by 1 degrees C. 1) How many calories of heat need to be removed from a 100 g sample of water to drop the temperature from 99 degrees C to 1 degrees C ? 2) How many calories of heat will raise the temperature of 60g of ethylene gylcol from 10 degrees C to 50 degrees C?arrow_forward
- Problem 2. Using the enthalpy of reaction. The next six questions are part of problem 2. Please refer back to this problem statement if you need to refresh your memory. How much did our sodium-in-water demonstration raise the temperature of water in the dessicator jar? The reaction we performed was: Na(s) + H2O(l) →→ NaOH(aq) + 1/2H2(g) qreaction = ΔΔrHo = -184 kJ/mol-rxn Assuming the dessicator jar is well insulated (like our coffee-cup calorimeter), the energy balance is: 0 = qsystem = qreaction + qwater ⇒⇒ qreaction = -qwater qreaction = -mwater*Cwater*ΔΔTwater The data from the demonstration was: (a) 1.0 kg water, (b) 22.0oC, (d) Cwater = 4.18 J/g-K, (e) mNa = 0.21 g What is the molar mass of sodium, Na, in g/mol? How many moles of sodium were added to the water (in moles)? What was the change in energy, in joules, when the reaction occurred with the given amounts? What was the mass of…arrow_forwardProblem 2. Using the enthalpy of reaction. The next six questions are part of problem 2. Please refer back to this problem statement if you need to refresh your memory. How much did our sodium-in-water demonstration raise the temperature of water in the dessicator jar? The reaction we performed was: Na(s) + H2O(l) →→ NaOH(aq) + 1/2H2(g) qreaction = ΔΔrHo = -184 kJ/mol-rxn Assuming the dessicator jar is well insulated (like our coffee-cup calorimeter), the energy balance is: 0 = qsystem = qreaction + qwater ⇒⇒ qreaction = -qwater qreaction = -mwater*Cwater*ΔΔTwater The data from the demonstration was: (a) 1.0 kg water, (b) 22.0oC, (d) Cwater = 4.18 J/g-K, (e) mNa = 0.21 g What is the molar mass of sodium, Na, in g/mol?arrow_forward1 ANSWER ONLY T INCREASES IS WRONGarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Cengage Learning
Types of bonds; Author: Edspira;https://www.youtube.com/watch?v=Jj0V01Arebk;License: Standard YouTube License, CC-BY