Problem 1.1CYU: Check Your Understanding Does a given reading on a gasoline gauge indicate more gasoline in cold... Problem 1.2CYU: Check Your Understanding Two objects A and B have the same dimensions identically. A is of a... Problem 1.3CYU: Check Your Understanding If 25 kJ is necessary to raise the temperature of a rock from 25 to 30 ,... Problem 1.4CYU: Check Your Understanding Explain why a cup of water (or soda) with ice cubes stays at 0 , even on a... Problem 1.5CYU: Check Your Understanding Why does snow Often remain even when daytime temperature are higher than... Problem 1.6CYU: Check Your Understanding Name an example from daily life (different from the text) for each... Problem 1.7CYU: Check Your Understanding How does the rate of heat transfer by conduction change when all spatial... Problem 1.8CYU: Check Your Understanding Explain why using a fan in the summer feels refreshing. Problem 1.9CYU: Check Your Understanding How much greater is the rate of heat radiation when body is at the... Problem 1CQ: What does it mean to say that two systems are in thermal equilibrium? Problem 2CQ: Give an example in which A has some kind of non-thermal equilibrium relationship with B, and B has... Problem 3CQ: If a thermometer is allowed to come to equilibrium with the air, and a glass of water is not in... Problem 4CQ: Give an example of a physical property that varies with temperature and describe how it is used to... Problem 5CQ: Pouring cold water into hot glass or ceramic cookware can easily break it. What causes the breaking?... Problem 6CQ: One method of getting a tight fit, say of a metal peg in a hole in a metal block, is to manufacture... Problem 7CQ: Does it really help to run hot water over a tight metal lid on a glass jar before trying to open it?... Problem 8CQ: When a cold alcohol thermometer is placed in a hot liquid, the column of alcohol goes down slightly... Problem 9CQ: Calculate the length of a 1-meter rod of a material with thermal expansion coefficient a when the... Problem 10CQ: Noting the large stresses that can be caused by thermal expansion, an amateur weapon inventor... Problem 11CQ: How is heat transfer related to temperature? Problem 12CQ: Describe a situation in which heat transfer occurs. Problem 13CQ: When heat transfers into a system, is the energy stored as heat? Explain briefly. Problem 14CQ: The brakes in a car increase in temperature by T when bringing the car to rest from a speed v. How... Problem 15CQ: A pressure cooker contains water and steam in equilibrium at a pressure greater than atmospheric... Problem 16CQ: As shown below, which is the phase diagram for carbon dioxide, what is the vapor pressure of solid... Problem 17CQ: Can carbon dioxide be liquefied at room temperature (20 If so, how? If not, why not? (See the phase... Problem 18CQ: What is the distinction between gas and vapor? Problem 19CQ: Heat transfer can cause temperature and phase changes. What else can cause these changes? Problem 20CQ: How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps... Problem 21CQ: What is the temperature of ice right after it is formed by freezing water? Problem 22CQ: If you place 0 ice into 0 water in an insulated container, what will the net result be? Will there... Problem 23CQ: What effect does condensation on a glass of ice water have on the rate at which the ice melts? Will... Problem 24CQ: In Miami, Florida, which has a very humid climate and numerous bodies of water nearby, it is unusual... Problem 25CQ: In winter, it is often warmer in San Francisco than in Sacramento, 150 km inland. In summer, it is... Problem 26CQ: Freeze-dried foods have been dehydrated in a vacuum. During the process, the food freezes and must... Problem 27CQ: In a physics classroom demonstration, an instructor inflates a balloon by mouth and then cools it in... Problem 28CQ: Mechanisms of Heat Transfer What are the main methods of heat transfer from the hot core of Earth to... Problem 29CQ: When our bodies get too warm, they respond by sweating and increasing blood circulation to the... Problem 30CQ: Shown below is a cut-away drawing of a thermos bottle (also known as a Dewar flask), which is a... Problem 31CQ: Some electric stoves have a flat ceramic surface with heating elements hidden beneath. A pot placed... Problem 32CQ: Loose-fitting white clothing covering most of the body, shown below, is ideal for desert dwellers,... Problem 33CQ: One way to make a fireplace more energy-efficient is to have room air circulate around the outside... Problem 34CQ: On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep... Problem 35CQ: When watching a circus during the day in a large, dark-colored tent, you sense significant heat... Problem 36CQ: Satellites designed to observe the radiation from cold (3 K) dark space have sensors that are shaded... Problem 37CQ: Why are thermometers that ale used in weather stations shielded from the sunshine? What does a... Problem 38CQ: Putting a lid on a boiling pot greatly reduces the heat transfer necessary to keep it boiling.... Problem 39CQ: Your house will be empty for a while in cold weather and want to save energy and money. Should you... Problem 40CQ: You pour coffee into an unlidded cup, intending to drink it 5 minutes later. You can add cream when... Problem 41CQ: Broiling is a method of cooking by radiation, which produces somewhat different results from cooking... Problem 42CQ: On a cold winter morning, why does the metal of a bike feel colder than the wood of a porch? Problem 43P: While traveling outside the United States, you feel sick. A companion gets you a thermometer, which... Problem 44P: What are the following temperatures on the Kelvin scale? (a) 68.0 F, an indoor temperature sometimes... Problem 45P: (a) Suppose a cold front blows into your locale and drops the temperature by 40.0 Fahrenheit... Problem 46P: An Associated Press article on climate change said, "Some of the ice shelf 's disappearance was... Problem 47P: (a) At what temperature do the Fahrenheit and Celsius scales have the same numerical value? (b) At... Problem 48P: A person taking a reading of the temperature in a freezer in Celsius makes two mistakes: first... Problem 49P: The height of the Washington Monument is measured to be 170.00 m on a day when the temperature is... Problem 50P: How much taller does the Eiffel Tower become at the end of a day when the temperature has increased... Problem 51P: What is the change in length of a 3.00-cm-long column of mercury if its temperature changes from... Problem 52P: How large an expansion gap should be left between steel railroad rails if they may reach a maximum... Problem 53P: You are looking to buy a small piece of land in Hong Kong. The price is "only"' $60,000 per square... Problem 54P: Global warming will produce rising sea levels partly due to melting ice caps and partly due to the... Problem 55P: (a) Suppose a meter stick made of steel and one made of aluminum ale the same length at 0 C. What is... Problem 56P: (a) If a 500-mL glass beaker is filled to the brim with ethyl alcohol at a temperature of 5.00C, how... Problem 57P: Most cars have a coolant reservoir to catch radiator fluid that may overflow when the engine is hot.... Problem 58P: A physicist makes a cup of instant coffee and notices that, as the coffee cools, its level drops... Problem 59P: The density of water at 0 C is very nearly 1000 kg/m3 (it is actually 999.84 kg/m3), whereas the... Problem 60P: Show that =3a , by calculating the infinitesimal change in volume dT of a cube with sides of length... Problem 61P: Calorimetry On a hot day, the temperature of an 80,000-L swimming pool increases by 1.50 . What is... Problem 62P: To sterilize a 50.0-g glass baby bottle, we must raise its temperature from 22.0 to 95.0 . How much... Problem 63P: The same heat transfer into identical masses of different substances produces different temperature... Problem 64P: Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her... Problem 65P: A 0.250-kg block of a pule material is heated from 20.0 to 65.0 by the addition of 4.35 kJ of... Problem 66P: Suppose identical amounts of heat transfer into different masses of copper and water, causing... Problem 67P: (a) The number of kilocalories in food is determined by calorimetry techniques in which the food is... Problem 68P: Following vigorous exercise, the body temperatureof an 80.0 kg person is 40.0 C. At what rate in... Problem 69P: In a study of healthy young men[1], doing 20 push-ups in 1 minute burned an amount of energy per kg... Problem 70P: A 1.28-kg sample of water at 10.0 is in a calorimeter. You drop a piece of steel with a mass of... Problem 71P: Repeat the preceding problem, assuming the water is in a glass beaker with a mass of 0.200 kg, which... Problem 72P: How much heat transfer (in kilocalories) is required to thaw a 0.450-kg package of frozen vegetables... Problem 73P: A bag containing 0 ice is much more effective in absorbing energy than one containing the same... Problem 74P: (a) How much heat transfer is required to raise the temperature of a 0.750-kg aluminum pot... Problem 75P: Condensation on a glass of ice water causes the ice to melt faster than it would otherwise. If 8.00... Problem 76P: On a trip, you notice that a 3.50-kg bag of ice lasts an average of one day in your cooler. What is... Problem 77P: On a certain dry sunny day, a swimming pool 's temperature would rise by 1.50 if not for... Problem 78P: (a) How much heat transfer is necessary to raise the temperature of a 0.200-kg piece of ice from... Problem 79P: In 1986, an enormous iceberg broke away from the Ross Ice Shelf in Antarctica. It was an... Problem 80P: How many grams of coffee must evaporate from 350 g of coffee in a 100-g glass cup to cool the coffee... Problem 81P: (a) It is difficult to extinguish a fire on a crude oil tanker, because each liter of crude oil... Problem 82P: The energy released from condensation in thunderstorms can be very large. Calculate the energy... Problem 83P: To help prevent frost damage, 4.00 kg of water at 0 is sprayed onto a fruit tree. (a) How much heat... Problem 84P: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0 is placed in a freezer. What is the final... Problem 85P: A 0.0500-kg ice cube at 30.0 is placed in 0.400 kg of 35.0- water in a very well-insulated... Problem 86P: If you pour 0.0100 kg of 20.0 water onto a 1.20-kg block of ice (which is initially at 15.0 what... Problem 87P: Indigenous people sometimes cook in watertight baskets by placing hot locks into water to bring it... Problem 88P: What would the final temperature of the pan and water be in Example 1.7 if 0.260 kg of water were... Problem 89P: (a) Calculate the rate of heat conduction through house walls that are 13.0 cm thick and have an... Problem 90P: The rate of heat conduction out of a window on a winter day is rapid enough to chill the air next to... Problem 91P: Calculate the rate of heat conduction out of the human body, assuming that the core internal... Problem 92P: Suppose you stand with one foot on ceramic flooring and one foot on a wool carpet, making contact... Problem 93P: A man consumes 3000 kcal of food in one day, converting most of it to thermal energy to maintain... Problem 94P: A firewalker runs across a bed of hot coals without sustaining burns. Calculate the heat transferred... Problem 95P: (a) What is the rate of heat conduction through the 3.00-cm-thick fur of a large animal having a I... Problem 96P: A warms transfers energy by conduction through its blubber at the rate of 150 W when immersed in ... Problem 97P: Compare the rate of heat conduction through a 13.0-cm-thick wall that has an area of 10.0 m2 and a... Problem 98P: Suppose a person is covered head to foot by wool clothing with average thickness of 2.00 cm and is... Problem 99P: Some stove tops are smooth ceramic for easy cleaning. If the ceramic is 0.600 cm thick and heat... Problem 100P: One easy way to reduce heating (and cooling) costs is to add extra insulation in the attic of a... Problem 101P: Many decisions are made on the basis of the payback period: the time it will take through savings to... Problem 102AP: In 1701, the Danish astronomer Ole Rømer proposed a temperature scale with two fixed points,... Problem 103AP: What is the percent error of thinking the melting point of tungsten is 3695 instead of the correct... Problem 104AP: An engineer wants to design a structure in which the difference in length between a steel beam and... Problem 105AP: How much stress is cleated in a steel beam if its temperature changes from 15 to 40 but it cannot... Problem 106AP: A brass rod (Y=90109N/m2), with a diameter of 0.800 cm and a length of 1.20 m when the temperature... Problem 107AP: A mercury thermometer still in use for meteorology has a bulb with a volume of 0.780 cm3 and a tube... Problem 108AP: Even when shut down after a period of normal use, a large commercial nuclear reactor transfers... Problem 109AP: You leave a pastry in the refrigerator on a plate and ask your roommate to take it out before you... Problem 110AP: Two solid spheres, A and B, made of the same material, are at temperatures of , and 100 ,... Problem 111AP: In some countries, liquid nitrogen is used on daily trucks instead of mechanical refrigerators. A... Problem 112AP: Some gun fanciers make their own bullets, which involves melting lead and casting it into lead... Problem 113AP: A 0.800-kg iron cylinder at a temperature of 1.00103 is dropped into an insulated chest of 1.00 kg... Problem 114AP: Repeat the preceding problem with 2.00 kg of ice instead of 1.00 kg. Problem 115AP: Repeat the preceding problem with 0.500 kg of ice, assuming that the ice is initially in a copper... Problem 116AP: A 30.0-g ice cube at its melting point is dropped into an aluminum calorimeter of mass 100.0 g in... Problem 117AP: (a) Calculate the rate of heat conduction through a double-paned window that has a 150-m2 area and... Problem 118AP: (a) An exterior wall of a house is 3 m tall and 10 m wide. It consists of a layer of drywall with an... Problem 119AP: For the human body, what is the rate of heat transfer by conduction through the body's tissue with... Problem 120AP: You have a Dewar flask (a laboratory vacuum flask) that has an open top and straight sides, as shown... Problem 121AP: An infrared heater for a sauna has a surface area of 0.050 m2 and an emissivity of 0.84. What... Problem 122AP: (a) Deter-nine the power of radiation from the Sun by noting that the intensity of the radiation at... Problem 123CP: A pendulum is made of a rod of length L and negligible mass, but capable of thermal expansion, and a... Problem 124CP: At temperatures of a few hundred kelvins the specific heat capacity of copper approximately follows... Problem 125CP: In a calorimeter of negligible heat capacity, 200 g of steam at 150 and 100 g of ice at 40 are... Problem 126CP: An astronaut performing an extra-vehicular activity (space walk) shaded from the Sun is wearing a... Problem 127CP: The goal in this problem is to find the growth of an ice layer as a function of time. Call the... Problem 128CP: As the very first rudiment of climatology, estimate the temperature of Earth. Assume it is a perfect... Problem 129CP: Let's stop ignoring the greenhouse effect and incorporate it into the previous problem in a very... format_list_bulleted