Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 21, Problem 28PQ
(a)
To determine
The
(b)
To determine
The heat transferred to raise the silver to its melting point.
(c)
To determine
The heat transferred during phase change.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A person consumes about 2700 Cal a day. 1 Cal = 4186 J, and 1 kWh = 860 Cal.
Part A
What is this energy in joules? (2 sig figs)
Part B
What is this energy in kilowatt-hours? (2 sig figs)
Part C
If a power company charges about 10 ¢ per kilowatt-hour, how much would this energy cost per day if the person bought it from the power company? (2 sig figs)
⦁ When a certain quantity of helium gas contained inside and engine cylinder combusts, the expanding gas causes the 12-cm-radius piston to move outward by 10.0 cm. If the gas remains at a pressure of 120 kPa for this process, what is the heat transfer? (See the diagram at the top of the next page.)⦁ 1,960 J⦁ 1,660 J⦁ 1,360 J⦁ 1,060 J⦁ 760 J
The burner on an electric stove has a power output of 2.0 kWkW. A 780 gg stainless steel tea kettle is filled with 20∘C∘C water and placed on the already hot burner.
f it takes 3.3 minmin for the water to reach a boil, what volume of water, in cm3cm3, was in the kettle? Stainless steel is mostly iron, so you can assume its specific heat is that of iron.
Express your answer using two significant figures.
Chapter 21 Solutions
Physics for Scientists and Engineers: Foundations and Connections
Ch. 21.2 - Incorrect. Heat is not contained in Texas. The...Ch. 21.3 - In each situation listed, an objects temperature...Ch. 21.4 - Prob. 21.3CECh. 21.4 - Prob. 21.4CECh. 21.7 - Prob. 21.5CECh. 21.7 - Prob. 21.6CECh. 21.7 - Prob. 21.7CECh. 21.7 - Prob. 21.8CECh. 21.7 - Prob. 21.9CECh. 21 - Prob. 1PQ
Ch. 21 - Prob. 2PQCh. 21 - You extend an impromptu invitation to a friend for...Ch. 21 - Prob. 4PQCh. 21 - Prob. 5PQCh. 21 - Prob. 6PQCh. 21 - Prob. 7PQCh. 21 - Prob. 8PQCh. 21 - Prob. 9PQCh. 21 - Prob. 10PQCh. 21 - Prob. 11PQCh. 21 - Prob. 12PQCh. 21 - Prob. 13PQCh. 21 - Prob. 14PQCh. 21 - Prob. 15PQCh. 21 - Prob. 16PQCh. 21 - Prob. 17PQCh. 21 - Prob. 18PQCh. 21 - Prob. 19PQCh. 21 - From Table 21.1, the specific heat of milk is 3.93...Ch. 21 - Prob. 21PQCh. 21 - Prob. 22PQCh. 21 - An ideal gas is confined to a cylindrical...Ch. 21 - Prob. 24PQCh. 21 - You place frozen soup (T = 17C) in a microwave...Ch. 21 - A 25-g ice cube at 0.0C is heated. After it first...Ch. 21 - Prob. 27PQCh. 21 - Prob. 28PQCh. 21 - Prob. 29PQCh. 21 - Prob. 30PQCh. 21 - Consider the latent heat of fusion and the latent...Ch. 21 - Prob. 32PQCh. 21 - Prob. 33PQCh. 21 - A thermodynamic cycle is shown in Figure P21.34...Ch. 21 - Prob. 35PQCh. 21 - Figure P21.36 shows a cyclic thermodynamic process...Ch. 21 - Figure P21.37 shows a PV diagram for a gas that is...Ch. 21 - Prob. 38PQCh. 21 - Prob. 39PQCh. 21 - Prob. 40PQCh. 21 - Prob. 41PQCh. 21 - Prob. 42PQCh. 21 - Prob. 43PQCh. 21 - Prob. 44PQCh. 21 - Figure P21.45 shows a cyclic process ABCDA for...Ch. 21 - Prob. 46PQCh. 21 - Prob. 47PQCh. 21 - Prob. 48PQCh. 21 - Prob. 49PQCh. 21 - Prob. 50PQCh. 21 - Prob. 51PQCh. 21 - Prob. 52PQCh. 21 - Prob. 53PQCh. 21 - Prob. 54PQCh. 21 - Prob. 55PQCh. 21 - You extend an impromptu invitation to a friend for...Ch. 21 - Prob. 57PQCh. 21 - Prob. 58PQCh. 21 - A lake is covered with ice that is 2.0 cm thick....Ch. 21 - A concerned mother is dressing her child for play...Ch. 21 - Prob. 61PQCh. 21 - Prob. 62PQCh. 21 - Prob. 63PQCh. 21 - Prob. 64PQCh. 21 - Prob. 65PQCh. 21 - Prob. 66PQCh. 21 - Prob. 67PQCh. 21 - Prob. 68PQCh. 21 - Three 100.0-g ice cubes initially at 0C are added...Ch. 21 - Prob. 70PQCh. 21 - Prob. 71PQCh. 21 - Prob. 72PQCh. 21 - Prob. 73PQCh. 21 - Prob. 74PQCh. 21 - Prob. 75PQCh. 21 - Prob. 76PQCh. 21 - Prob. 77PQCh. 21 - Prob. 78PQCh. 21 - How much faster does a cup of tea cool by 1C when...Ch. 21 - The PV diagram in Figure P21.80 shows a set of...Ch. 21 - Prob. 81PQCh. 21 - Prob. 82PQCh. 21 - Prob. 83PQCh. 21 - Prob. 84PQCh. 21 - Prob. 85PQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A 3.00-g lead bullet at 30.0C is fired at a speed of 2.40 102 m/s into a large, fixed block of ice at 0C, in which it becomes embedded. (a) Describe the energy transformations that occur as the bullet is cooled. What is the final temperature of the bullet? (b) What quantity of ice melts?arrow_forwardA 3.00-g lead bullet at 30.0C is fired at a speed of 2.40 102 m/s into a large, fixed block of ice at 0C, in which it becomes embedded. (a) Describe the energy transformations that occur as the bullet is cooled. What is the final temperature of the bullet? (b) What quantity of ice melts?arrow_forwardA person inhales and exhales 2.00 L of 37.0C air, evaporating 4.00102g of water from the lungs and breathing passages with each breath. (a) How much heat transfer occurs due to evaporation in each breath? (b) What is the rate of heat transfer in watts if the person is breathing at a moderate rate of 18.0 breaths per minute? (c) If the inhaled air had a temperature of 20.0C, what is the rate of heat transfer for warming the air? (d) Discuss the total rate of heat transfer as it relates to typical metabolic rates. Will this breathing be a major form of heat transfer for this person?arrow_forward
- You propose a new temperature scale with temperatures given in °M. You define 0.0°M to be the normal melting point of mercury and 100.0° to be the normal boiling point of mercury. (a) What is the normal boiling point of water in °M? (b) A temperature change.of 10.0 M° corresponds to how many C°?arrow_forwardIn 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately a rectangle 155 km long, 40.0 km wide, and 250 m thick. (a) What is the mass of this iceberg in kg, given that the density of ice is 917 kg/m3? Answer ____________ kg (NO scientific notation ONLY Real Number) (b) How much heat transfer (in joules) is needed to melt it? Answer ____________ J (NO scientific notation ONLY Real Number) (c) How many years would it take sunlight alone to melt ice this thick, if the ice absorbs an average of 100 W/m2, 11.00 h per day? Answer ____________ yrarrow_forwardA gas burner transfers 9.20 ✕ 105 J into a block of ice with a mass of 2.07 kg and an initial temperature of 0°C. a.) How much of the energy (in J) supplied by the burner goes into melting all the ice into liquid water? (Enter your answer to at least three significant figures.). J b.) How much of the energy (in J) supplied by the burner goes into raising the temperature of the liquid water? (Enter your answer to at least three significant figures.) J c.) What is the final temperature of the liquid water in degrees Celsius?arrow_forward
- An electric heater transfers 8.90 ✕ 105 J into a block of ice with a mass of 2.16 kg and an initial temperature of 0°C. (a) How much of the energy (in J) supplied by the heater goes into melting all the ice into liquid water? (Enter your answer to at least three significant figures.) J (b) How much of the energy (in J) supplied by the heater goes into raising the temperature of the liquid water? (Enter your answer to at least three significant figures.) J (c) What is the final temperature of the liquid water in degrees Celsius? °Carrow_forward1. A jeweler must melt 44.59 g of silver. Assume the silver starts at room temperature (20°C) and reaches a temperature just above its melting point (T = 1235 K). [Specific heat of silver c = 450 J/ (kg. K), heat of fusion of silver Lf = 1.05×105 J/kg]A. How much heat is transferred in order to raise the silver to its melting point?B. How much heat is transferred during the phase change?C. How much heat is transferred in order for the whole process to take place?2. A hot rock with mass 250 g is dropped into an equal mass of cool water. Which temperature changes more, that of the rock or that of the water? Explain with reasons.arrow_forwardYou decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill the tub with 300 kgkg of 30.0 ∘C∘C water and attempt to warm it further by pouring in 5.10 kgkg of boiling water from the stove. Part A) Is this a reversible or an irreversible process? Part B) Use physical reasoning to explain. Part C) Calculate the final temperature of the bath water. Part D) Calculate the net change in entropy of the system (bath water + boiling water), assuming no heat exchange with the air or the tub itself. J/Karrow_forward
- Homes are often insulated with fiberglass insulation in their walls and ceiling. The thermal conductivity of fiberglass is 0.040 W/(m⋅K). Suppose that the total surface area of the walls and roof of a windowless house is 310 m2 and that the thickness of the insulation is 19 cm. At what rate does heat leave the house on a day when the outside temperature is 30 ∘C colder than the inside temperature?Express your answer in kilowatts.arrow_forwardAn insulated beaker contains an unknown mass of liquid water at a tempeerature of 75 degrees c. you place 0.100 kg of pure ice with an initial temperature of 0 degrees c in the beaker. after the system has come to equilibrium, the final temperature in the beaker is 40 degree c. (Cice= 2090 J/kgK, Cwater= 4186 J/kgK, Lfwater= 333,500 J/kg) a) sketch two temperature vs. energy added diagrams (one for ice and one for water) b)solve for the amount of heat energy that must have been transferred to the ice to get it from its initial state to its final state c) use the answer from b to solve for the mass of the water in the beaker.arrow_forwardSuppose you want to raise the temperature of a 0.185-kg piece of ice from -20.0°C to 130°C. The heat of fusion is Lf = 334 kJ/kg, and the heat of vaporization is Lv = 2256 kJ/kg. In this problem, take 1520 J/kg⋅°C as the specific heat of steam, and 2090 J/kg⋅°C as the specific heat of ice. Part (a) How much heat, in kilocalories, must be transferred for this to happen, including the energy needed for phase changes? Part (b) How much time, in seconds, is required to do this, assuming a constant 20.0 kJ/s rate of heat transfer?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
- Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning