15.25: A gas undergoes the unusual 0mx r+zuwa5e;process M $\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?

  03.28: When gas escapes from a pressurized cylindef +425acykr slr, the stream of gas feels coo4+ 5rflsa k2ycl. This is because

  94.35: A gas can be taken from state a to c by two different revedy5y3 +7zfzmj rsible processes, a→c or a→b→c. During the direct prodzfmyy+ 3jz 57cess a→c, 20.0 J of work are done by the system and 30.0 J of heat are added to the system. During the process a→b→c, 25.0 J of heat are added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph swm 77xahs-hlvh0u 6)uhown, in the process of going from a to b 60 J of heat are added, u7h-6u)hw m7sv h0laxand in the process of going from b to d 20 J of heat are added. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally compres0hn( 8 p9svzfbsed:

  97.15: Which of the following is alhw69 m,oi cu9gways true for an isothermal process of an ideal gasiuw69 9,cohmg ?

  13.31: A monatomic ideal gas undergoes a reversible isothermalk b(/ p8:e u:+qmhpbjy expansion in an enclosed container. Which one :jbem :h(b8p/ uk+qp yof the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoricvs j6t4a+l/uz.du6nc.u7c yj cooling. Which of the following statements muc 6u4at 6.v sjj/+n .z7uycldust be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expan)fkkgf tko : h0)n0-tesion. In the process, the tempee0 k:t)k - go0kfhf)ntrature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas unplzdayc -:ry+9e++io++(tje rl0n t kdergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best de(ryz j -+ k cnye90t+id r+:+poal+eltscribes the heat exchange during this process?

  07.40: Which is not truenvc) ,ac2r9ujh 6 ked3 of an isochoric process on an enclosed ideal gas in which the pressure decreasenc c9a)2ju,3 kr6 vdehs?

  15.47 One mole of a diato9x sw6,v a2j jj/+ *mmktjp)domic ideal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during t xk j),vaw*mm/ts+odj9p62jj he adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical suc*y q9p*)xok amples of the same ideal gas are in equal volume containers with the same pressure and cuy pox k9**q)temperature in containers labeled A and B. After the processes are performed on the gases in containers A and B, which is at the higher temperature?
The gas in container A performs non-zero work W on the surroundings during an isobaric (constant pressure) process before the pressure is reduced isochorically (constant volume) to 1/2 its initial amount.
The gas in container B has its pressure reduced isochorically (constant volume) to 1/2 its initial value and then the gas performs non-zero work W on the surroundings during an isobaric (constant pressure) process.

  05.38: The PV diagram shows four diqn zm+9juj 2 4upps6o,fferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constantjq4+ju u6m ozpns 9,p2 volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an idea)z,y)(+ bfj klvymse1l gas, which one of the following reversible processes has the most hea)+(b1j y)smflkze v,yt associated with it?

  04.45: Container A has a sample of monatomic idel xxnx)n 1*2dp 6tr :xobi*ut+al gas, while container B has a sample of diatomic ideal gas.nt1i:txd*xx2 u on)*rx+bpl 6 The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and tempxzsr + h)*e.ob+*cy wperature T . Which of the following processes would result in the greatest amount of energy added to theo*.hyc pb)e wrs *+zx+ gas from heat?

  13.48: Two identical samples of a. byu( 83qlw yfly+yv+ monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heyf lb+8v3(lyy+uyq .wat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling