College Physics
10th Edition
ISBN: 9781285737027
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 11, Problem 56AP
(a)
To determine
The energy transformations that occur as power is supplied to the heating element.
(b)
To determine
The mass of nitrogen boiled away.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Liquid helium has a very low boiling point, 4.2 K, as well as a very low latent heat of vaporization, 2.00 × 104 J/kg. If energy is transferred to a container of liquid helium at the boiling point from an immersed electric heater at a rate of 10.0 W, how long does it take to boil away 2.00 kg of the liquid?
Liquid helium has a very low boiling point, 4.2 K, as well as a very low latent heat of vaporization, 2.00 x 104 J/kg. If energy is transferred to a container of liquid helium at the boiling point from an immersed electric heater at a rate of 10.0 W, how long does it take to boil away 2.00 kg of the liquid?
Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume of a cavern is 6.3 x 105 m³,
5
and the pressure of the air in it is 7.4 × 106 Pa. Assume that air is a diatomic ideal gas whose internal energy U is given by U = nRT.
If one home uses 30.0 kWh of energy per day, how many homes could this internal energy serve for one day?
Chapter 11 Solutions
College Physics
Ch. 11.2 - Prob. 11.1QQCh. 11.4 - Prob. 11.2QQCh. 11.5 - Will an ice cube wrapped in a wool blanket remain...Ch. 11.5 - Two rods of the same length and diameter are made...Ch. 11.5 - Stars A and B have the same temperature, but star...Ch. 11 - Prob. 1WUECh. 11 - Physics Review An athlete lifts a 175-kg barbell...Ch. 11 - Prob. 3WUECh. 11 - Convert 3.50 103 cal to the equivalent number of...Ch. 11 - Prob. 5WUE
Ch. 11 - Prob. 6WUECh. 11 - A large room in a house holds 975 kg of dry air at...Ch. 11 - A wooden wall 4.00 cm thick made of pine with...Ch. 11 - A granite ball of radius 2.00 m and emissivity...Ch. 11 - Rub the palm of your hand on a metal surface for...Ch. 11 - In winter, why did the pioneers store an open...Ch. 11 - In warm climates that experience an occasional...Ch. 11 - Prob. 4CQCh. 11 - On a clear, cold night, why does frost tend to...Ch. 11 - The U.S. penny is now made of copper-coated zinc....Ch. 11 - Cups of water for coffee or tea can be warmed with...Ch. 11 - Prob. 8CQCh. 11 - A tile floor may feel uncomfortably cold to your...Ch. 11 - On a very hot day, its possible to cook an egg on...Ch. 11 - Concrete has a higher specific heat than does...Ch. 11 - You need to pick up a very hot cooking pot in your...Ch. 11 - A poker is a stiff, nonflammable rod used to push...Ch. 11 - Star A has twice the radius and twice the absolute...Ch. 11 - Prob. 15CQCh. 11 - The highest recorded waterfall in the world is...Ch. 11 - The temperature of a silver bar rises by 10.0C...Ch. 11 - Lake Erie contains roughly 4.00 1011 m3 of water....Ch. 11 - An aluminum rod is 20.0 cm long at 20.0C and has a...Ch. 11 - A 3.00-g copper coin at 25.0C drops 50.0 m to the...Ch. 11 - Prob. 6PCh. 11 - A 75-kg sprinter accelerates from rest to a speed...Ch. 11 - A sprinter of mass m accelerates uniformly from...Ch. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - A 1.5-kg copper block is given an initial speed of...Ch. 11 - A certain steel railroad rails 13 yd in length and...Ch. 11 - Prob. 14PCh. 11 - What mass of water at 25.0C must be allowed to...Ch. 11 - Lead pellets, each of mass 1.00 g, are heated to...Ch. 11 - Prob. 17PCh. 11 - In a showdown on the streets of Laredo, the good...Ch. 11 - Prob. 19PCh. 11 - A 1.50-kg iron horseshoe initially at 600C is...Ch. 11 - A student drops two metallic objects into a 120-g...Ch. 11 - When a driver brakes an automobile, the friction...Ch. 11 - Equal 0.400-kg masses of lead and tin at 60.0C are...Ch. 11 - Prob. 24PCh. 11 - A 75-g ice cube al 0C is placed in 825 g of water...Ch. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - A high-end gas stove usually has at least one...Ch. 11 - Prob. 34PCh. 11 - Steam at 100.C is added to ice at 0C. (a) Find the...Ch. 11 - The excess internal energy of metabolism is...Ch. 11 - A 3.00-g lead bullet at 30.0C is fired at a speed...Ch. 11 - A glass windowpane in a home is 0.62 cm thick and...Ch. 11 - A pond with a flat bottom has a surface area of...Ch. 11 - The thermal conductivities of human tissues vary...Ch. 11 - A steam pipe is covered with 1.50-cm-thick...Ch. 11 - The average thermal conductivity of the walls...Ch. 11 - Consider two cooking pots of the same dimensions,...Ch. 11 - A thermopane window consists of two glass panes,...Ch. 11 - A copper rod and an aluminum rod of equal diameter...Ch. 11 - A Styrofoam box has a surface area of 0.80 m and a...Ch. 11 - A rectangular glass window pane on a house has a...Ch. 11 - Prob. 48PCh. 11 - Measurements on two stars indicate that Star X has...Ch. 11 - The filament of a 75-W light bulb is at a...Ch. 11 - The bottom of a copper kettle has a 10.0-cm radius...Ch. 11 - A family comes home from a long vacation with...Ch. 11 - A 0.040.-kg ice cube floats in 0.200 kg of water...Ch. 11 - The surface area of an unclothed person is 1.50...Ch. 11 - A 200-g block of copper at a temperature of 90C is...Ch. 11 - Prob. 56APCh. 11 - A student measures the following data in a...Ch. 11 - Prob. 58APCh. 11 - A class of 10 students; taking an exam has a power...Ch. 11 - A class of 10 students taking an exam has a power...Ch. 11 - A bar of gold (Au) is in thermal contact with a...Ch. 11 - An iron plate is held against an iron, wheel so...Ch. 11 - Prob. 63APCh. 11 - Three liquids are at temperatures of 10C, 20C, and...Ch. 11 - Prob. 65APCh. 11 - A wood stove is used to heat a single room. The...Ch. 11 - Prob. 67APCh. 11 - Prob. 68APCh. 11 - The surface of the Sun has a temperature of about...Ch. 11 - The evaporation of perspiration is the primary...Ch. 11 - Prob. 71APCh. 11 - An ice-cube tray is filled with 75.0 g of water....Ch. 11 - An aluminum rod and an iron rod are joined end to...
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
- One of a dilute diatomic gas occupying a volume of 10.00 L expands against a constant pressure of 2.000 atm when it is slowly heated. If the temperature of the gas rises by 10.00 K and 400.0 J of heat are added in the process, what is its final volume?arrow_forwardAn ideal gas initially at 300 K undergoes an isobaric expansion at 2.50 kPa. If the volume increases from 1.00 m3 to 3.00 m3 and 12.5 kJ is transferred to the gas by heat, what are (a) the change in its internal energy and (b) its final temperature?arrow_forwardIf a gas is compressed isothermally, which of the following statements is true? (a) Energy is transferred into the gas by heat. (b) No work is done on the gas. (c) The temperature of the gas increases. (d) The internal energy of the gas remains constant. (e) None of those statements is true.arrow_forward
- A multicylinder gasoline engine in an airplane, operating at 2.50 103 rev/min, takes in energy 7.89 103 J and exhausts 4.58 103 J for each revolution of the crankshaft. (a) How many liters of fuel does it consume in 1.00 h of operation if the heat of combustion of the fuel is equal to 4.03 107 J/L? (b) What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower. (c) What is the torque exerted by the crankshaft on the load? (d) What power must the exhaust and cooling system transfer out of the engine?arrow_forwardAn aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm2 is inserted into a thermally insulated vessel containing liquid helium at 4.20 K. The rod is initially at 300 K. (a) If one-half of the rod is inserted into the helium, how many liters of helium boil off by the time the inserted half cools to 4.20 K? Assume the upper half does not yet cool. (b) If the circular surface of the upper end of the rod is maintained at 300 K, what is the approximate boil-off rate of liquid helium in liters per second after the lower half has reached 4.20 K? (Aluminum has thermal conductivity of 3 100 W/m K at 4.20 K; ignore its temperature variation. The density of liquid helium is 125 kg/m3.)arrow_forwardThe excess internal energy of metabolism is exhausted through a variety of channels, such as through radiation and evaporation of perspiration. Consider another pathway for energy loss: moisture in exhaled breath. Suppose you breathe out 22.0 breaths per minute, each with a volume of 0.600 L. Suppose also that you inhale dry air and exhale air at 37C containing water vapor with a vapor pressure of 3.20 kPa. The vapor comes from the evaporation of liquid water in your body. Model the water vapor as an ideal gas. Assume its latent heat of evaporation at 37C is the same as its heat of vaporization at 100.C. Calculate the rate at which you lose energy by exhaling humid air.arrow_forward
- When a gas undergoes an adiabatic expansion, which of the following statements is true? (a) The temperature of the gas does not change. (b) No work is done by the gas. (c) No energy is transferred to the gas by heat. (d) The internal energy of the gas does not change. (e) The pressure increases.arrow_forwardThe specific heat of water is 4186 J/kg c°. How much does the internal energy of 200 g of water change as it is heated from 20°c to 30°c? Assume the volume is constant.arrow_forwardA sealed container holding 0.500 kg of liquid nitrogen at its boiling point of 77.3 K is placed in a large room at 21.0°C. Energy is transferred from the room to the nitrogen as the liquid nitrogen boils into a gas and then warms to the room’s temperature. (a) Assuming the room’s temperature remains essentially unchanged at 21.0°C, calculate the energy transferred from the room to the nitrogen. (b) Estimate the change in entropy of the room. Liquid nitrogen has a latent heat of vaporization of 2.01 x 105 J/kg. The specific heat of N2 gas at constant pressure is c(N2) = 1.04 x 103 J/kg · K .arrow_forward
- Over the course of a day, 4.0 kg of water evaporates from the leaves of a corn plant. a) How much energy is required to evaporate the water? (Assume that the temperature of the leaves is 30C.) b) If the plant is active for 12 hours, how much power does this correspond to? You can think of this as the necessary power to drive transport in the plant.arrow_forwardA small electric immersion heater is used to heat 74 g of water for a cup of instant coffee. The heater is labeled "150 watts" (it converts electrical energy to thermal energy at this rate). Calculate the time required to bring all this water from 22°C to 100°C, ignoring any heat losses. (The specific heat of water is 4186 J/kg-K.) Number Unitsarrow_forwardYou are boiling water in a pot on the stove for your tea. Being the brilliant scientist you are, you decide to apply your physics knowledge to understand this process better. You know there is 0.1kg of water in the pot and it is currently at 100°C being converted to steam at 1 atm. Find the change in internal energy. Potentially Useful Constants cice = 2108 J/kgK cwater = 4187 J/kgK csteam = 1996 J/kgK Lfusion = 334 kJ/kg Lvaporisation = 2265 kJ/kgarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher: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:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
The Second Law of Thermodynamics: Heat Flow, Entropy, and Microstates; Author: Professor Dave Explains;https://www.youtube.com/watch?v=MrwW4w2nAMc;License: Standard YouTube License, CC-BY