Problem 20.1QQ Problem 20.2QQ: Suppose the same process of adding energy to the ice cube is performed as discussed above with... Problem 20.3QQ Problem 20.4QQ: Characterize the paths in Figure 19.12 as isobaric, isovolumetric, isothermal, or adiabatic. For... Problem 20.5QQ Problem 20.1OQ: An ideal gas is compressed to half its initial volume by means of several possible processes. Which... Problem 20.2OQ: A poker is a stiff, nonflammable rod used to push burning logs around in a fireplace. For safety and... Problem 20.3OQ: Assume you are measuring the specific heat of a sample of originally hot metal by using a... Problem 20.4OQ Problem 20.5OQ Problem 20.6OQ: Ethyl alcohol has about one-half the specific heat of water. Assume equal amounts of energy are... Problem 20.7OQ: The specific heat of substance A is greater than that of substance B. Both A and B are at the same... Problem 20.8OQ: Beryllium has roughly one-half the specific heat of water (H2O). Rank the quantities of energy input... Problem 20.9OQ Problem 20.10OQ: A 100-g piece of copper, initially at 95.0C, is dropped into 200 g of water contained in a 280-g... Problem 20.11OQ Problem 20.12OQ: If a gas is compressed isothermally, which of the following statements is true? (a) Energy is... Problem 20.13OQ Problem 20.14OQ: If a gas undergoes an isobaric process, which of the following statements is true? (a) The... Problem 20.15OQ Problem 20.1CQ Problem 20.2CQ: You need to pick up a very hot cooking pot in your kitchen. You have a pair of cotton oven mitts. To... Problem 20.3CQ Problem 20.4CQ Problem 20.5CQ Problem 20.6CQ: In 1801, Humphry Davy rubbed together pieces of ice inside an icehouse. He made sure that nothing in... Problem 20.7CQ Problem 20.8CQ Problem 20.9CQ Problem 20.10CQ: When camping in a canyon on a still night, a camper notices that as soon as the sun strikes the... Problem 20.11CQ: Pioneers stored fruits and vegetables in underground cellars. In winter, why did the pioneers place... Problem 20.12CQ Problem 20.1P Problem 20.2P: Consider Joules apparatus described in Figure 20.1. The mass of each of the two blocks is 1.50 kg,... Problem 20.3P Problem 20.4P: The highest waterfall in the world is the Salto Angel in Venezuela. Its longest single falls has a... Problem 20.5P: What mass of water at 25.0C must be allowed to come to thermal equilibrium with a 1.85-kg cube of... Problem 20.6P: The temperature of a silver bar rises by 10.0C when it absorbs 1.23 kJ of energy by heat. The mass... Problem 20.7P: In cold climates, including the northern United States, a house can be built with very large windows... Problem 20.8P: A 50.0-g sample of copper is at 25.0C. If 1 200 J of energy is added to it by heat, what is the... Problem 20.9P: An aluminum cup of mass 200 g contains 800 g of water in thermal equilibrium at 80.0C. The... Problem 20.10P: If water with a mass mk at temperature Tk is poured into an aluminum cup of mass mA1 containing mass... Problem 20.11P: A 1.50-kg iron horseshoe initially at 600C is dropped into a bucket containing 20.0 kg of water at... Problem 20.12P: An electric drill with a steel drill bit of mass m = 27.0 g and diameter 0.635 cm is used to drill... Problem 20.13P: An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are... Problem 20.14P: A 3.00-g copper coin at 25.0C drops 50.0 m to the ground. (a) Assuming 60.0% of the change in... Problem 20.15P: Two thermally insulated vessels are connected by a narrow tube lined with a valve that is initially... Problem 20.16P: A 50.0-g copper calorimeter contains 250 g of water at 20.0C. How much steam at 100C must be... Problem 20.17P Problem 20.18P: How much energy is required to change a 40.0-g ice cube from ice at 10.0C to steam at 110C? Problem 20.19P: A 75.0-g ice cube at 0C is placed in 825 g of water at 25.0C. What is the final temperature of the... Problem 20.20P: A 3.00-g lead bullet at 30.0C is fired at a speed of 240 m/s into a large block of ice at 0C, in... Problem 20.21P: Steam at 100C is added to ice at 0C. (a) Find the amount of ice melted and the final temperature... Problem 20.22P: A 1.00-kg Mock of copper at 20.0C is dropped into a large vessel of liquid nitrogen at 77.3 K. How... Problem 20.23P: In an insulated vessel, 250 g of ice at 0C is added to 600 g of water at 18.0C. (a) What is the... Problem 20.24P Problem 20.25P: An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of... Problem 20.26P Problem 20.27P: One mole of an ideal gas is warmed slowly so that it goes from the PV state (Pi, Vi) to (3Pi, 3Vi)... Problem 20.28P: (a) Determine the work done on a gas that expands from i to f as indicated in Figure P19.16. (b)... Problem 20.29P: An ideal gas is taken through a quasi-static process described by P = V2with = 5.00 atm/m6, as... Problem 20.30P: A gas is taken through the cyclic process described in Figure P20.30. (a) Find the net energy... Problem 20.31P: Consider the cyclic process depicted in Figure P20.30. If Q is negative for the process BC and Eint... Problem 20.32P: Why is the following situation impossible? An ideal gas undergoes a process with the following... Problem 20.33P: A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. Over the... Problem 20.34P: A sample of an ideal gas goes through the process shown in Figure P20.34. From A to B. the process... Problem 20.35P: A 2.00-mol sample of helium gas initially at 300 K, and 0.400 atm is compressed isothermally to 1.20... Problem 20.36P: (a) How much work is done on the steam when 1.00 mol of water at 100C boils and becomes 1.00 mol of... Problem 20.37P Problem 20.38P: One mole of an ideal gas does 3 000 J of work on surroundings as it expands isothermally to a final... Problem 20.39P: A 1.00-kg block of aluminum is warmed at atmospheric pressure so that its temperature increases from... Problem 20.40P: In Figure P19.22, the change in internal energy of a gas that is taken from A to C along the blue... Problem 20.41P: An ideal gas initially at Pi, Vi, and Ti is taken through a cycle as shown in Figure P20.41. (a)... Problem 20.42P: An ideal gas initially at Pi, Vi, and Ti is taken through a cycle as shown in Figure P20.41. (a)... Problem 20.43P: A glass windowpane in a home is 0.620 cm thick and has dimensions of 1.00 in 2.00 in. On a certain... Problem 20.44P: A concrete slab is 12.0 cm thick and has an area of 5.00 m2. Electric heating coils are installed... Problem 20.45P: A student is trying to decide what to wear. His bedroom is at 20.0C. His skin temperature is 35.0C.... Problem 20.46P: The surface of the Sun has a temperature of about 5 800 K. The radius of the Sun is 6.96 X 108 in.... Problem 20.47P: The tungsten filament of a certain 100-W lightbulb radiates 2.00 W of light. (The other 98 W is... Problem 20.48P: At high noon, the Sun delivers 1 000 W to each square meter of a blacktop road. If the hot asphalt... Problem 20.49P: Two lightbulbs have cylindrical filaments much greater in length than in diameter. The evacuated... Problem 20.50P Problem 20.51P: A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact.... Problem 20.52P: A box with a total surface area of 1.20 m2 and a wall thickness of 4.00 cm is made of an insulating... Problem 20.53P: (a) Calculate the R-value of a thermal window made of two single panes of glass each 0.125 in. thick... Problem 20.54P: At our distance from the Sun, the intensity of solar radiation is 1 370 W/m2. The temperature of the... Problem 20.55P: A bar of gold (Au) is in thermal contact with a bar of silver (Ag) of the same length and area (Fig.... Problem 20.56P Problem 20.57P Problem 20.58AP: A gas expands from I to Fin Figure P20.58 (page 622). The energy added to the gas by heat is 418 J... Problem 20.59AP: Gas in a container is at a pressure of 1.50 atm and a volume of 4.04 m3. What is the work done on... Problem 20.60AP: Liquid nitrogen has a boiling point of 77.3 K and a latent heal of vaporization of 2.01 105J/kg. A... Problem 20.61AP: An aluminum rod 0.500 m in length and with a cross sectional area of 2.50 cm2 is inserted into a... Problem 20.62AP Problem 20.63AP Problem 20.64AP Problem 20.65AP Problem 20.66AP: An ice-cube tray is filled with 75.0 g of water. After the filled tray reaches an equilibrium... Problem 20.67AP: On a cold winter day. you buy roasted chestnuts from a street vendor. Into the pocket of your down... Problem 20.68AP Problem 20.69AP: An iron plate is held against an iron wheel so that a kinetic friction force of 50.0 N acts between... Problem 20.70AP Problem 20.71AP: A 40.0-g ice cube floats in 200 g of water in a 100-g copper cup; all are at a temperature of 0C. A... Problem 20.72AP: One mole of an ideal gas is contained in a cylinder with a movable piston. The initial pressure,... Problem 20.73AP: Review. A 670-kg meteoroid happens to be composed of aluminum. When it is far from the Earth, its... Problem 20.74AP Problem 20.75AP Problem 20.76AP Problem 20.77AP: Water in an electric teakettle is boiling. The power absorbed by the water is 1.00 kW. Assuming the... Problem 20.78AP Problem 20.79AP Problem 20.80AP: A student measures the following data in a calorimetry experiment designed to determine the specific... Problem 20.81CP: Consider the piston cylinder apparatus shown in Figure P20.81. The bottom of the cylinder contains... Problem 20.82CP: A spherical shell has inner radius 3.00 cm and outer radius 7.00 cm. It is made of material with... Problem 20.83CP Problem 20.84CP: (a) The inside of a hollow cylinder is maintained at a temperature Ta, and the outside is at a lower... format_list_bulleted
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning