15.25: A gas undergoeas ;pfp/vpq ,2s the unusual 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 cylinder, the stream of gas fe1kuhjrps66 9mels cool. kphus 616m9rj This is because

  94.35: A gas can be taken from state a to c bcs.bx)4zt(w q y 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 sw)x4csbqz(t. ystem 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 shown, in the procex6/9f y ,kebf gax:tyueht*.(ss of going from a to b 60 J of heat are added, and uyefy ka.bx gf*/,x et :h69(tin 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 couuzv/mnp(9 w:nua 8z 6o, kl2cmpressed:

  97.15: Which of the following is always true for an is+ :2uflhrcyph 8k3:a lothermal process of an ide+h8p3rl :hl: uk2acyfal gas?

  13.31: A monatomic ideal gas undergoes a reversible isotherma8 lc/snqymb. +l expansion in an enclosed container. Which one of the following quantities associated with the m8lbn. q cy/+sgas has a value of zero?

  09.33: An ideal gas und6q s,rm 5 utok*duq35vergoes an isobaric expansion followed by an isochoric cooling. Which of the following statemen vutoq3 k 5qr,*dsum65ts must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergr*yj iflqw90 9oes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the followin 9rlf w09*qjyig choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the process,cy4wm -6hj r9tki.p5rc hlf-6 the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchan r 5l-j fh6ctpr4.ywkhcm96i- ge during this process?

  07.40: Which is not tru/6gd0 +xngk otmgo5/ne of an isochoric process on an enclosed ideal gas in which the press5gkxg0 +ot6m/nod gn /ure decreases?

  15.47 One mole of a diatomi2cnm.mq6 /w ihc 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 imqmi 62/hn .wcs halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identt-vf 51 z7sgqzical samples of the same 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 in containers A -1sv7z5zgft q 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 f;nwakqt(; uw)our different 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. Proq)tw a(w;nu;k cess D is isochoric (constant 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 ideal gas, which rr n: w*0emd9bj): zzoone of the following reversible processes has the most heat associated ww 0r9zzn :jbe*:)omr dith it?

  04.45: Container A has a sample of monatomic ideal gas, whi-;/nj5)-jtz 9kl1s gxkpyij ole container B has a sample of diatomic ideal gasz- tjysk/ 9pgjlxo;)jk- 15in. 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 v0jb py.4/ d6*nmkcusP , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy nj ckv* u.6dbs0p/ym4 added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are aph;ynrqi24p.p ko, q4w u5q3;fx os )to undergo reversible processes. Which one of the following choices is a correct statement about the heat auqksph 5r , ;x4 4.ipoq;oqayfw)n3p2ssociated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling