College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 15, Problem 18P
To determine
The number of water molecules in
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Chapter 15 Solutions
College Physics (10th Edition)
Ch. 15 - In the ideal-gas equation could you give the...Ch. 15 - True or false? Equal masses of two different gases...Ch. 15 - How does evaporation of perspiration from your...Ch. 15 - The ideal-gas law is sometimes written in the form...Ch. 15 - (a) If you double the absolute temperature of an...Ch. 15 - Chemical reaction rates slow down as the...Ch. 15 - True or false? When two ideal gases are mixed,...Ch. 15 - Is it possible for a gas to expand and lose energy...Ch. 15 - The gas inside a balloon will always have a...Ch. 15 - When a gas expands adiabatically, it does work on...
Ch. 15 - Since Cv is defined with specific reference to a...Ch. 15 - The ratio y found in Equations 15.22 and 15.23...Ch. 15 - Prob. 1MCPCh. 15 - Prob. 2MCPCh. 15 - Prob. 3MCPCh. 15 - Prob. 4MCPCh. 15 - Prob. 5MCPCh. 15 - Prob. 6MCPCh. 15 - Assume you have n moles of an ideal gas initially...Ch. 15 - The formula U = nCvT for the change in the...Ch. 15 - For the process shown in the pV diagram in Figure...Ch. 15 - Prob. 10MCPCh. 15 - The gas shown in Figure 15.29 is in a completely...Ch. 15 - Prob. 12MCPCh. 15 - A cylindrical tank has a tight-fitting piston that...Ch. 15 - Prob. 2PCh. 15 - A 3.00 L tank contains air at 3.00 atm and 20.0C....Ch. 15 - A 20.0 L tank contains 0.225 kg of helium at...Ch. 15 - A room with dimensions 7.00 m by 8.00 m by 2.50 m...Ch. 15 - Three moles of an ideal gas are in a rigid cubical...Ch. 15 - A large cylindrical tank contains 0.750 m3 of...Ch. 15 - A 1.0 L canister contains 0.2 mole of helium gas....Ch. 15 - The gas inside a balloon will always have a...Ch. 15 - Prob. 10PCh. 15 - A diver observes a bubble of air rising from the...Ch. 15 - At an altitude of 11,000 m (a typical cruising...Ch. 15 - If a certain amount of ideal gas occupies a volume...Ch. 15 - Calculate the volume of 1.00 mol of liquid water...Ch. 15 - What volume does 2 mol of hydrogen gas (H2) occupy...Ch. 15 - The atmosphere of the planet Mars is 95.3% carbon...Ch. 15 - Find the mass of a single sulfur (S) atom and an...Ch. 15 - Prob. 18PCh. 15 - In the air we breathe at 72F and 1.0 atm pressure,...Ch. 15 - We have two equal-size boxes. A and B. Each box...Ch. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - A container of helium gas is heated until the...Ch. 15 - If 5 g of liquid helium is converted into a gas at...Ch. 15 - At what temperature is the root-mean-square speed...Ch. 15 - Where is the hydrogen? The average temperature of...Ch. 15 - Prob. 27PCh. 15 - STP. The conditions of standard temperature and...Ch. 15 - Prob. 29PCh. 15 - (a) How much heat does it take to increase the...Ch. 15 - (a) If you supply 1850 J of heat to 2.25 moles of...Ch. 15 - Suppose 100 J of heat flows into a diatomic ideal...Ch. 15 - Perfectly rigid containers each hold n moles of...Ch. 15 - Assume that the gases in this problem can be...Ch. 15 - A metal cylinder with rigid walls contains 2.50...Ch. 15 - A gas under a constant pressure of 1.50 105 Pa...Ch. 15 - Two moles of an ideal gas are heated at constant...Ch. 15 - Three moles of an ideal monatomic gas expand at a...Ch. 15 - Prob. 39PCh. 15 - Prob. 40PCh. 15 - A gas in a cylinder expands from a volume of 0.110...Ch. 15 - A gas in a cylinder is held at a constant pressure...Ch. 15 - Five moles of an ideal monatomic gas with an...Ch. 15 - When a system is taken from state a to state b in...Ch. 15 - An ideal gas expands while the pressure is Kept...Ch. 15 - You are keeping 1.75 moles of an ideal gas in a...Ch. 15 - Prob. 47PCh. 15 - A cylinder with a movable piston contains 3.00 mol...Ch. 15 - Figure 15.32 show a pV diagram for an ideal gas in...Ch. 15 - Figure 15.33 shows a pV diagram for an ideal gas...Ch. 15 - The pV diagram in Figure 15.34 shows a process abc...Ch. 15 - A volume of air (assumed to be an ideal gas) is...Ch. 15 - In the process illustrated by the pV diagram in...Ch. 15 - A cylinder contains 0.250 mol of carbon dioxide...Ch. 15 - Heating air in the lungs. Human lung capacity...Ch. 15 - The graph in Figure 15.37 shows a pV diagram for...Ch. 15 - An ideal gas at 4.00 atm and 350 K is permitted to...Ch. 15 - An experimenter adds 970 J of heat to 1.75 mol of...Ch. 15 - Heat Q flows into a monatomic ideal gas, and the...Ch. 15 - A player bounces a basketball on the floor,...Ch. 15 - In the pV diagram shown in Figure 15.38, 85.0 J of...Ch. 15 - Modern vacuum pumps make it easy to attain...Ch. 15 - Prob. 63GPCh. 15 - The effect of altitude on the lungs. (a) Calculate...Ch. 15 - (a) Calculate the mass of nitrogen present in a...Ch. 15 - An automobile tire has a volume of 0.0150 m3 on a...Ch. 15 - A student in a physics lab course has the task of...Ch. 15 - Prob. 68GPCh. 15 - Atmosphere of Titan. Titan, the largest satellite...Ch. 15 - Helium gas expands slowly to twice its original...Ch. 15 - A cylinder with a piston contains 0.250 mol of...Ch. 15 - You blow up a spherical balloon to a diameter of...Ch. 15 - A bicyclist uses a tire pump whose cylinder is...Ch. 15 - The bends. If deep-sea divers rise to the surface...Ch. 15 - 75. Figure 15.39 shows a pV diagram for 0.0040...Ch. 15 - Figure 15.40 Problem 76. The graph in Figure 15.40...Ch. 15 - A flask with a volume of 1.50 L, provided with a...Ch. 15 - Initially at a temperature of 80.0C, 0.28 m3 of...Ch. 15 - In a cylinder, 4.00 mol of helium initially at...Ch. 15 - Starting with 2.50 mol of N2 gas (assumed to be...Ch. 15 - Insulating windows. One way to improve insulation...Ch. 15 - Estimate the ratio of the thermal conductivity of...Ch. 15 - The rate of effusionthat is, the leakage of a gas...Ch. 15 - Prob. 84PPCh. 15 - In another test, the gas is put into a cylinder...Ch. 15 - You have a cylinder that contains 500 L of the gas...Ch. 15 - In a hospital, pure oxygen may be delivered at 50...
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- (a) Show that the density of an ideal gas occupying a volume V is given by = PM/KT, where M is the molar mass. (b) Determine the density of oxygen gas at atmospheric pressure and 20.0C.arrow_forwardAt what temperature is the average speed of carbon dioxide molecules ( M=44.0 g/mol) 510 m/s?arrow_forwardHow many moles are there in (a) 0.0500 g of N2 gas (M = 28.0 g/mol)? (b) 10.0 g of CO2 gas (M = 44.0 g/mol)? (c) How many molecules are present in each case?arrow_forward
- On a hot summer day, the density of air at atmospheric pressure at 35.0C is 1.1455 kg/m3. a. What is the number of moles contained in 1.00 m3 of an ideal gas at this temperature and pressure? b. Avogadros number of air molecules has a mass of 2.85 102 kg. What is the mass of 1.00 m3 of air? c. Does the value calculated in part (b) agree with the stated density of air at this temperature?arrow_forwardA cylinder with a piston holds 0.50 m3 of oxygen at an absolute pressure of 4.0 atm. The piston is pulled outward, increasing the volume of the gas until the pressure drops to 1.0 atm. If the temperature stays constant, what new volume does the gas occupy? (a) 1.0 m3 (b) 1.5 m3 (c) 2.0 m3 (d) 0.12 m3 (e) 2.5 m3arrow_forwardCylinder A contains oxygen (O2) gas, and cylinder B contains nitrogen (N2) gas. If the molecules in the two cylinders have the same rms speeds, which of the following statements is false? (a) The two gases haw different temperatures. (b) The temperature of cylinder B is less than the temperature of cylinder A. (c) The temperature of cylinder B is greater than the temperature of cylinder A. (d) The average kinetic energy of the nitrogen molecules is less than the average kinetic energy of the oxygen molecules.arrow_forward
- A gas is at 200 K. If we wish to double the rms speed of the molecules of the gas, to what value must we raise its temperature? (a) 283 K (b) 400 K (c) 566 K (d) 800 K (e) 1 130 Karrow_forwardA 40.0-g projectile is launched by the expansion of hot gas in an arrangement shown in Figure P12.4a. The cross sectional area of the launch tube is 1.0 cm2, and the length that the projectile travels down the tube after starting from rest is 52 cm. As the gas expands, the pressure varies as shown in Figure P12.4b. The values for the initial pressure and volume are P1 = 11 105 Pa and Vi = 8.0 cm3 while the final values are Pf = 1.0 105 Pa and Vf = 8.0 cm3. Friction between the projectile and the launch tube is negligible, (a) If the projectile is launched into a vacuum, what is the speed of the projectile as it leaves the launch tube? (b) If instead the projectile is launched into air at a pressure of 1.0 105 Pa. what fraction of the work done by the expanding gas in the tube is spent by the projectile pushing air out of the way as it proceeds down tile tube?arrow_forward(a) An ideal gas occupies a volume of 1.0 cm3 at 20.C and atmospheric pressure. Determine the number of molecules of gas in the container, (b) If the pressure of the 1.0-cm3 volume is reduced to 1.0 1011 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container?arrow_forward
- A 5 L tank contains Argon gas at 55°C and 4.5 atm. Find the total translational kinetic energy of all the Argon atoms in the tank. 1 atm = 1.013 x 10^5 Pa 1 L = 10^-3 m^3 R= 8.314 J/K-mol Molar mass of Argon= 40 Kb=1.38 x 10 ^-23 J/Karrow_forwardA spherical balloon of volume 3.95 x 103 cm3 contains helium at a pressure of 1.15 x 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 j? mol A 1.40-mol sample of oxygen gas is confined to a 4.90-L vessel at a pressure of 8.02 atm. Find the average translational kinetic energy of the oxygen molecules under these conditions. J/moleculearrow_forwardA spherical balloon of volume 4000 cm³ contains helium at an (inside) pressure of 1.20 x 10° Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 j? O 6.64 mol O 4.65 mol O 1.55 mol 5.55 mol 3.32 molarrow_forward
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