15.25: A gas undergoes the unusual processu(.vn85: r/pqhu sw+ qf9pre h 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 fro 4szy-3a8ue xejd *zg2m a pressurized cylinder, the stream of gas feels cool. z2sgx43e8 ea zuy-d*jThis is because

  94.35: A gas can be taken from state a to c by two different rever+g adb6:v nn6jsible processes, a→c or a→b→c. During the direct process 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 : bg6+n6j nadvare added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume grbsq xr,g2e2r j**qg+waph shown, in the process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J of heat are addesj 2w,gqq+ r*gbe*x2rd. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally compressed:.uu;/y vbcb-(t: ynck kbv4g(

  97.15: Which of the following -kz9gj1g2bk zvns j92is always true for an isothermal process of an ideal gas1njjb22 zzkvs9 9k-g g?

  13.31: A monatomic id zm/b2mzj1k :1 lftw+aeal gas undergoes a reversible isothermal expansion in an enclosed container. Which one of +f: m2k/1jamwt bzzl1the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobgsclt):d + bw9aric expansion followed by an isochoric cooling. Which of the following sta +ldt9):bws gctements must be true after the completion of these processes?

  11.44: One mole of a monatomic idl weuo1*xr:6ieal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices b wru6o*li: ex1est represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, idee - (xr2gm3ons.vj 8++s aaztoal gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this pro.( +2ex8gnj3satosv rm o+az-cess?

  07.40: Which is not true of anx0uoe2:drzz rt /;k5. ;wwlqh isochoric process on an enclosed ideal gas in which the pressure decrrr lu/zek0dw5; w 2hq:;xot.zeases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiiworvtyfw19g/ , 6u/jabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adrw/ i,yj1uw 6gv/9tofiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gasv53rq0k *9zleqy,( ae1ivj tf are in equal volume containv*qf5 0 e91z ri3 veatklyq,(jers with the same pressure and 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 differeno 2)j1dyb0m mc0qw x2et 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 (constant volume). For which process(es) does the temperature of th0w x 0q1omb2)dje2mcye gas decrease?

  16.48: From a given stateosg6 ;-qrug-w of P, V, and T for an ideal gas, which one of the following reversible processe6- rqougs-wg;s has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container 18 qo xnk2zsn80 ,cyhffdv 8rhc7o:i5B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each gas now underf8o :q2sr dc01hci n8,x7z o5kf nh8vygoes 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 l f3/rg:atk/eV , and temperature T . Which of the following processes would result in the greatest amount of energy addkela rtf3:/ /ged to the gas from heat?

  13.48: Two identical samplze 572r, fuf*emp)traes of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associatm2,* r5fertfup7 ) aezed with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling