CONCEPTUAL PHYSIC SCIEN W/PRACT & ACCES
6th Edition
ISBN: 9780134528250
Author: Hewitt
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 51E
Why would you expect the molecules in a gas to have a variety of speeds?
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CONCEPTUAL PHYSIC SCIEN W/PRACT & ACCES
Ch. 6 - What are the temperatures for freezing water on...Ch. 6 - Is the temperature of an object a measure of the...Ch. 6 - Under what condition does a thermometer measure...Ch. 6 - By how much does the pressure of a gas in a right...Ch. 6 - What pressure would you expect in a rigid...Ch. 6 - Prob. 6RCQCh. 6 - How much energy can be removed from a system at 0...Ch. 6 - Prob. 8RCQCh. 6 - Does a hot object contain thermal energy, or does...Ch. 6 - How does heat differ from thermal energy?
Ch. 6 - What role does temperature have in the direction...Ch. 6 - Why is heat measured in joules?Ch. 6 - How many joules are needed to change the...Ch. 6 - Cite a way in which the energy value of foods is...Ch. 6 - Distinguish among a calorie, a Calorie, and a...Ch. 6 - Which law of thermodynamics consists of the...Ch. 6 - What becomes of heat that is added to a system but...Ch. 6 - Which law of thermodynamics is related to the...Ch. 6 - Prob. 19RCQCh. 6 - Which law of thermodynamics is related to a system...Ch. 6 - When disorder in a system increases, does entropy...Ch. 6 - Under what condition can the entropy of a system...Ch. 6 - Which warms faster when heat is applied: iron or...Ch. 6 - How does the specific heat capacity of water...Ch. 6 - What is the relationship between waters high...Ch. 6 - Why does a bimetallic strip bend with changes in...Ch. 6 - Which generally expands more for an equal increase...Ch. 6 - When the temperature of ice-cold water is...Ch. 6 - What is the reason for ice being less dense than...Ch. 6 - At what temperature do the combined effects of...Ch. 6 - Use the formula above to show that it takes 3000...Ch. 6 - Use the same formula to show that it takes 12,570...Ch. 6 - Show that 3000 cal = 12,570 J, the same quantity...Ch. 6 - Will Maynez burns a 0.6-g peanut beneath 50 g of...Ch. 6 - Consider a 6.0-g steel nail 8.0 cm long and a...Ch. 6 - If you wish to warm 50 kg of water by 20C for your...Ch. 6 - The specific heat capacity of steel is 450 J/kg C....Ch. 6 - In the lab, you submerge 100 g of 40C nails in 200...Ch. 6 - Consider a 1-m bar that expands 0.6 cm when...Ch. 6 - Suppose that the 1.3-km main span of steel for the...Ch. 6 - Imagine people breathing on the length of a...Ch. 6 - Prob. 44TARCh. 6 - Prob. 45TARCh. 6 - How much the lengths of various substances change...Ch. 6 - The precise volume of 200 grams of water in a...Ch. 6 - A friend says that molecules in a mixture of gases...Ch. 6 - A friend says that molecules in a mixture of gases...Ch. 6 - A friend tells you that the surface temperature of...Ch. 6 - Why would you expect the molecules in a gas to...Ch. 6 - Consider two glasses, one filled with water and...Ch. 6 - Which is greater: an increase in temperature of 1C...Ch. 6 - Which contains the greater amount of thermal...Ch. 6 - On which temperature scale does the average...Ch. 6 - Prob. 56ECh. 6 - What will be the temperature of 0C helium gas if...Ch. 6 - Prob. 58ECh. 6 - Instead of saying a red-hot horseshoe contains...Ch. 6 - What is the general direction of the flow of...Ch. 6 - Prob. 61ECh. 6 - Prob. 62ECh. 6 - Which raises the temperature of water more: the...Ch. 6 - If 100 joules of heat is added to a system that...Ch. 6 - If 100 joules of heat is added to a system that...Ch. 6 - Which law of thermodynamics tells us what is most...Ch. 6 - Prob. 67ECh. 6 - Prob. 68ECh. 6 - Entropy is a measure of how energy become...Ch. 6 - In the previous question, there is a reason why...Ch. 6 - What happens to the pressure within a scaled...Ch. 6 - After a car it driven along a road for some...Ch. 6 - Prob. 73ECh. 6 - What does the high specific heat of water have to...Ch. 6 - Why does jello stay cooler for a longer time than...Ch. 6 - Prob. 76ECh. 6 - Which undergoes a greater change in temperature...Ch. 6 - Prob. 78ECh. 6 - Prob. 79ECh. 6 - On cold winter nights in days past, it was common...Ch. 6 - Why does the presence of large bodies of water...Ch. 6 - If the winds at the latitude of San Francisco and...Ch. 6 - Compared with conventional water heaters in the...Ch. 6 - Prob. 84ECh. 6 - In terms of thermal expansion, why is it important...Ch. 6 - Why arc incandescent bulbs typically made of very...Ch. 6 - For many years, a method for breaking boulders was...Ch. 6 - An old technique for separating a pair of nested...Ch. 6 - A metal ball is barely able to past through a...Ch. 6 - Prob. 90ECh. 6 - State an exception to the claim that all...Ch. 6 - How does the combined volume of the billions of...Ch. 6 - A piece of solid iron sinks in a container of...Ch. 6 - In your room are things such as tables, chairs,...Ch. 6 - Why can't you determine whether you are running a...Ch. 6 - The temperature of the Suns interior is about 107....Ch. 6 - If you drop a hot rock into a pail of water, the...Ch. 6 - Structural groaning and creaking noises ate...Ch. 6 - Why is it important that glass mirrors that have a...Ch. 6 - Steel plates are commonly attached to each other...Ch. 6 - After a machinist quickly slips a hot, snugly...Ch. 6 - Suppose that water is used in a thermometer...Ch. 6 - If cooling occurred at the bottom of a pond...Ch. 6 - The motion of molecules that most affects...Ch. 6 - Prob. 2RATCh. 6 - Absolute zero corresponds to a temperature of (a)...Ch. 6 - Thermal energy is normally measured in units of...Ch. 6 - Prob. 5RATCh. 6 - Your garage gets messier day by day. In this case,...Ch. 6 - Prob. 7RATCh. 6 - A bimetallic strip used in thermostats relies on...Ch. 6 - Water at 4C will expand when it is slightly (a)...Ch. 6 - Microscopic slush in water tends to make the water...
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- What is the distinction between gas and vapor?arrow_forwardHelium gas is in thermal equilibrium with liquid helium at 4.20 K. Even though it is on the point of condensation, model the gas as ideal and determine the most probable speed of a helium atom (mass = 6.64 1027 kg) in it.arrow_forwardAn ideal gas is at a temperature of 300 K. To double the average speed of its molecules, what does the temperature need to be changed to?arrow_forward
- A 5.00-L vessel contains nitrogen gas at 27.0C and 3.00 atm. Find (a) the total translational kinetic energy of the gas molecules and (b) the average kinetic energy per molecule.arrow_forwardReview. This problem is a continuation of Problem 16.29 in Chapter 16. A hot-air balloon consists of an envelope of constant volume 400 m3. Not including the air inside, the balloon and cargo have mass 200 kg. The air outside and originally inside is a diatomic ideal gas at 10.0C and 101 kPa, with density 1.25 kg/m3. A propane burner at the center of the spherical envelope injects energy into the air inside. The air inside stays at constant pressure. Hot air, at just the temperature required to make the balloon lift off, starts to fill the envelope at its closed top, rapidly enough so that negligible energy flows by heat to the cool air below it or out through the wall of the balloon. Air at 10C leaves through an opening at the bottom of the envelope until the whole balloon is filled with hot air at uniform temperature. Then the burner is shut off and the balloon rises from the ground. (a) Evaluate the quantity of energy the burner must transfer to the air in the balloon. (b) The heat value of propanethe internal energy released by burning each kilogramis 50.3 MJ/kg. What mass of propane must be burned?arrow_forwardConsider a container of nitrogen gas molecules at 900 K. Calculate (a) the most probable speed, (b) the average speed, and (c) the rms speed for the molecules. (d) State how your results compare with the values displayed in Figure 21.11.arrow_forward
- Two cylinders A and B at the same temperature contain the same quantity of the same kind of gas. Cylinder A has three times the volume of cylinder B. What can you conclude about the pressures the gases exert? (a) We can conclude nothing about the pressures. (b) The pressure in A is three times the pressure in B. (c) The pressures must be equal. (d) The pressure in A must be one-third the pressure in B.arrow_forwardA sample of gas with a thermometer immersed in the gas is held over a hot plate. A student is asked to give a step-by-step account of what makes our observation of the temperature of the gas increase. His response includes the following steps. (a) The molecules speed up. (b) Then the molecules collide with one another more often. (c) Internal friction makes the collisions inelastic. (d) Heat is produced in the collisions. (e) The molecules of the gas transfer more energy to the thermometer when they strike it, so we observe that the temperature has gone up. (f) The same process can take place without the use of a hot plate if you quickly push in the piston in an insulated cylinder containing the gas. (i) Which of the parts (a) through (f) of this account are correct statements necessary for a clear and complete explanation? (ii) Which are correct statements that are not necessary to account for the higher thermometer reading? (iii) Which are incorrect statements?arrow_forwardA rigid lank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the lank to lower the pressure of the gas from 25.0 atm to 5.00 atm. Assume the volume of the tank and the temperature of the gas remain constant during this operation.arrow_forward
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