College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 11, Problem 69AP
To determine
The time taken to boil away water.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A “solar cooker” consists of a curved reflecting mirror that focuses sunlight onto the object to be heated (Fig. P11.69). The solar power per unit area reaching the Earth at the location of a 0.50-m-diameter solar cooker is 600. W/m2. Assuming 50% of the incident energy is converted to thermal energy, how long would it take to boil away 1.0 L of water initially at 20.°C? (Neglect the specific heat of the container.)
A 200g copper bowl contains 100 g of wate, both at 25 degrees celsius. A very hot 300 g copper cylinder is dropped into the water. The final temperature of the system is 100 degrees celsius. Neglect energy transfer with the environment. The specific heat of water = 4186 J/kg. K and that of copper = 386J/kg. K. How much energy is transferred to the copper bowl as heat?
A steam pipe is covered with 1.50-cm thick insulating material of thermal conductivity of 0.200 cal/cm · °C · s. How much energy is lost every second when the steam is at 250°C and the surrounding air is at 20.0°C? The pipe has a circumference of 800 cm and a length of 64.0 m. Neglect losses through the ends of the pipe. ?MW
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 - Rub the palm of your hand on a metal surface for...Ch. 11 - On a clear, cold night, why does frost tend to...Ch. 11 - Substance A has twice the specific heat of...Ch. 11 - Equal masses of substance A at 10.0C and substance...Ch. 11 - Prob. 5CQ
Ch. 11 - Prob. 6CQCh. 11 - Cups of water for coffee or tea can be warmed with...Ch. 11 - The U.S. penny is now made of copper-coated zinc....Ch. 11 - A tile floor may feel uncomfortably cold to your...Ch. 11 - In a calorimetry experiment, three samples A, B,...Ch. 11 - Figure CQ11.11 shows a composite bar made of three...Ch. 11 - Objects A and B have the same size and shape with...Ch. 11 - A poker is a stiff, nonflammable rod used to push...Ch. 11 - On a very hot day, its possible to cook an egg on...Ch. 11 - Prob. 15CQCh. 11 - Star A has twice the radius and twice the absolute...Ch. 11 - Convert 3.50 103 cal to the equivalent number of...Ch. 11 - Prob. 2PCh. 11 - A 75-kg sprinter accelerates from rest to a speed...Ch. 11 - Prob. 4PCh. 11 - A persons basal metabolic rate (BMR) is the rate...Ch. 11 - The temperature of a silver bar rises by 10.0C...Ch. 11 - The highest recorded waterfall in the world is...Ch. 11 - An aluminum rod is 20.0 cm long at 20.0C and has a...Ch. 11 - Lake Erie contains roughly 4.00 1011 m3 of water....Ch. 11 - A 3.00-g copper coin at 25.0C drops 50.0 m to the...Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - A 1.5-kg copper block is given an initial speed of...Ch. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 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. 19PCh. 11 - A large room in a house holds 975 kg of dry air at...Ch. 11 - Prob. 21PCh. 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 - A Styrofoam cup holds 0.275 kg of water at 25.0C....Ch. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - How much thermal energy is required to boil 2.00...Ch. 11 - A 75-g ice cube al 0C is placed in 825 g of water...Ch. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - Prob. 36PCh. 11 - A high-end gas stove usually has at least one...Ch. 11 - Prob. 38PCh. 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 - A granite ball of radius 2.00 m and emissivity...Ch. 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 student measures the following data in a...Ch. 11 - Prob. 60APCh. 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. 65APCh. 11 - Three liquids are at temperatures of 10C, 20C, and...Ch. 11 - Earths surface absorbs an average of about 960....Ch. 11 - A wood stove is used to heat a single room. The...Ch. 11 - Prob. 69APCh. 11 - Prob. 70APCh. 11 - The surface of the Sun has a temperature of about...Ch. 11 - The evaporation of perspiration is the primary...Ch. 11 - Prob. 73APCh. 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
- An electric stove burner has surface area 325 cm² and emissivity e = 1. The burner consumes 1500 W and is at 900 K. If room temperature is 300 K, what fraction of the burner's heat loss is from radiation?arrow_forwardA steam pipe is covered with 1.25 cm thick insulating material of thermal conductivity 0.200 W / m. ° C. How much energy is lost every second when the steam is at 200 ° C and the surrounding air is at 20 ° C? The pipe has a circumference of 950 cm and a length of 68 m. Neglect losses through the ends of the pipe.arrow_forwardHot oil is to be cooled by water in a one-shell-pass and eight-tube-passes heat exchanger. The tubes are thin-walled and are made of copper with an internal diameter of 1.4 cm. The length of each tube pass in the heat exchanger is 5 m, and the overall heat transfer coefficient is 310 W/m2?K. Water flows through the tubes at a rate of 0.2 kg/s, and the oil through the shell at a rate of 0.3 kg/s. The water and the oil enter at temperatures of 20°C and 150°C, respectively. Determine the rate of heat transfer in the heat exchanger and the outlet temperatures of the water and the oil.arrow_forward
- A pipe with a 1.5 cm in diameter and 10 min length is gaining 800 W/m2 constant heat from its outer surface. Water enters the pipe at 25 °C with velocity of 0.1 m/s. What is the wall temperature at the exit plane of the pipe? Assume that all gaining heat is transferring the water. For water: k = 0.6 W/mK, ν = 0.75x10-6 m2/s, ρ = 1000 kg/m3, cp = 4187 J/kgK, Pr = 6.arrow_forwardIn a thermal power plant, a horizontal copper pipe of "D" diameter, "L" length and thickness 0.6 cm enters into the boiler that has the thermal conductivity as 0.33 W/mK. The boiler is maintained at 105C and temperature of the water that flows inside the pipe is at 28C. If the energy transfer (Q) is 118922 kJ in 6 hours. Determine the Heat transfer rate, Surface area of the pipe and Diameter & Length of the pipe, if D = 0.016 L. Change in Temperature (in K) = Heat Transfer Rate (in W) = Surface Area of the Pipe (m2) =arrow_forwardA "solar cooker" consists of a curved reflecting mirror that focuses sunlight onto the object to be heated (see the figure below). The solar power per unit area reaching the Earth at the location of a 0.50-m-diameter solar cooker is 600 W/m2. Assuming 50% of the incident energy is converted to thermal energy, how long would it take to boil away 0.9 L of water initially at 33°C? (Neglect the specific heat of the container.)arrow_forward
- A 300 g aluminum pot containing 0.50 L of water is placed on the 1 kg iron hot plate on an electric stove. The heating element of the hot plate is rated at 1.5 kW. If the hot plate, the pot, and the water are all at 20°C when the heating element is switched on, how long will it take until the water begins to boil? Neglect heat losses to the surroundings.arrow_forwardProblem #4. A group of 35 students attend a class in a room that measures 10 m by 8 m by 3 m. Each student takes up about 0.075 m3 and gives out about 80 W of heat (1 W = 1 J/s). Calculate the air temperature rise during the first 15 minutes of the class if the room is completely sealed and insulated. Assume the heat capacity, Cv, for air is 0.718 kJ/(kg K). Assume air is an ideal gas at 20°C and 101.325 kPa. Note that the heat absorbed by the air Q is related to the mass of the air m, the heat capacity, and the change in temperature by the following relationship: Q = m m JT₁ CvdT=mCv (T₂ - T₁)arrow_forwardA cup of water contains a 500 g iron ball submerged in 500 g of water at 20°C. (The specific heats of iron and water at 20°C are 450 and 4182 J/(kg K), respectively.) The system is heated by a 1000 W heating coil submerged in the water. Assume all the heat from the heater goes into the water / ball system and that no heat escapes from the system. What will be the temperature of the iron ball after 2 minutes? Show all detailed work.arrow_forward
- Thermography is a technique for measuring radiant heat and detecting variations in surface temperatures that may be medically, environmentally, or militarily meaningful.(a) What is the percent increase in the rate of heat transfer by radiation from a given area at a temperature of 34.0C compared with that at 33.0C, such as on a person’s skin? (b) What is the percent increase in the rate of heat transfer by radiation from a given area at a temperature of 34.0C compared with that at 20.0C, such as for warm and cool automobile hoods?arrow_forwardA styrofoam container used as a picnic cooler contains a block of ice at 0°C. If 564 g of ice melts in 1 hour, how much heat energy per second is passing through the walls of the container? The heat of fusion of ice is 3.33 x 10° J/kg. Answer in units of W.arrow_forwardA 6.0-cm-diameter cylinder of nitrogen gas has a 4.0-cm-thick movable copper piston. The cylinder is oriented vertically, as shown in the figure, and the air above the piston is evacuated. When the gas temperature is 25 °C, the piston floats 20 cm above the bottom of the cylinder. (Figure 1) Figure 20 cm Vacuum Piston. Ź 6 cm 1 of 1 Then 1.5 J of heat energy are transferred to the gas. What is the new equilibrium temperature of the gas in °C? Express your answer in degrees Celsius. ► View Available Hint(s) T₂ = 115.06992 Submit Part D [Π| ΑΣΦ X Incorrect; Try Again; 5 attempts remaining Submit What is the final height of the piston? Express your answer with the appropriate units. ► View Available Hint(s) Previous Answers LO L₂= 28.05 Part E 6 HÅ Previous Answers cm μÀ ? X Incorrect; Try Again; 5 attempts remaining How much work is done on the gas as the piston rises? Express your answer with the appropriate units. ► View Available Hint(s) ? ? °Carrow_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 LearningPhysics 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
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning