15.25: A gas undergoes the unusual p;dk /6+7gy)l, ezmfmpgy+ h/nwu:ljnrocess 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 cylinder, the stream hnwc; xk)au,c3,m 4bd(t:sx rof gas feels cool. This is )r3,acuw(kds: ,4 bhcx txmn;because

  94.35: A gas can be taken from staiur-os 9cze+ *te a to c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the systeorc +s *izue9-m 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 show/soq qpvb6h,v))a- kkn, in the process of going from a to b 60 J of heat are added, and in the process of going from b to -6/vva)shkkq p)bo q,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 compressena8q 8s psq5;vtt6fc vp.,o-vd:

  97.15: Which of the following is always true for an isothermal pr,bo6+a m6f1ndi n/re)8 suwrf+ 3uttm ocess of an ide/is )o6dtm6ea3 m++ wrnn8but1,fur fal gas?

  13.31: A monatomic ideal gas und*70 t bhyg;nhxergoes a reversible isothermal expansion in an encloh nxyb; thg*07sed container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric c*w1cze r*zirb -8r/p)m tiet1u6bwb6ooling. Which of the following statements must be true after the completiecbi)tw/61i*zp8ezb tr rr*wb -1u6mon of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobavm7dc ;h7 z-jpq3zrg)ric expansion. In the process, the temperature 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 sur-7 rjm;zhc )q3 gpdzv7roundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the processd+ xkrrc+hizj o6sxfe1 ..)4g, the gas performs 80 joules of fjo.zi4) c.+kh6 esxd1gr+xrwork on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochor6emm.gm b(ilzl h17:rb+7 skx ic process on an enclosed ideal gas in which the p.+mrhbklmls7i m 6ge: x(1b7zressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabapz/:+mrug ns07) argl tic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic process, how much wor/n) z0ur:+ pg7slmg ark was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same tmfd7hf2xd. * ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases i7.f dfhtx*2d mn 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 dif (uo 4/*)68zw/yycwayui ojzuferent possible reversible processes performed on a monatomic ideal gas. Process A o)/(z uz6uy8y/wi au* c jyo4wis 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 the gas decrease?

  16.48: From a given statebt ve, wkw *mk02d;g-p of P, V, and T for an ideal gas, which one of the following e* dm2;t,g0- kp bwkwvreversible processes has the most heat associated with it?

  04.45: Container A has a sahl tin( y)*;k9 1ncoxgmple of monatomic ideal gas, while container B 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 undergoes a reversible adiabatic prictl9 g1yx;)ho*(nn k ocess that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gk-d k:g*:pv k 8-6nygap kel2was has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest2dw: p*kekg:n 6pvyk kl-g-a8 amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to underg v2h(wuaz2/ta/ t ywd1o reversible processes. Which one of the fol /atw2h2wvut(/ zda1ylowing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling