15.25: A gas undergoes the unusut;e9 kqqrfl*mt :/+fual 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 s)r18c; n 6rxtmyhxz0 j2k1 hkbtream of gas feels cool. This is m80ncx;26xz)j h bkrrt1 hky1because

  94.35: A gas can be taken n(ttfkopm koqz; (a*9*d2 8z hfrom state 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 system and 30.0 J of heat are added to the system. During the process a→b→c, 25.otz(o9t m*2p;z*qhk a8kd (fn0 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 showwz1u. cxm6d6gyu: h(bn, 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 added. In the process of going a to c to d, what is the tot6m:h u .1yb(zdc6ux gwal heat added?

  96.22: When an ideal gas is isoth 5mf dx39 kykxyphfjm70 9d65hermally compressed:

  97.15: Which of the following is always true for an isv5qor)h9iwjhjo 3k1 anh/16sothermal process of an ideal go)o r5aw 1hhih k61j3j/v ns9qas?

  13.31: A monatomic ideal gas undergk6b *m3zg8 ,d24snjjal1d rxpoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value o16 d ,x2s 4rla*pjd zj3gmk8nbf zero?

  09.33: An ideal gas undergoes an isobaric expansion xaw v :y9ap 7pn-iy5 wao:pfcpz7 +)(dfollowed by an isochoric cooling. Which of the following statemen vpwpzwp:onyxa7a95d 7-)fpi(y :+ ac ts must be true after the completion of these processes?

  11.44: One mole of a mv c3(4 g: -pao1ychyx9itbjf )onatomic ideal 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 best represents the amount of work done b(vxya p1)y-34b g hf:o9jccit y the gas on the surroundings?

  14.46: A monatomic, ideal ga(dyh 81x9u+jklsl5eb s 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 bhsj91 u 8xydl(kle +5during this process?

  07.40: Which is not true of an isochoric process on an enxga q,+n.y6r )xd -ls k iy2:1sn 1kht,wpeg(sclosed ideal gas in which the prewqrsx : +k2tgyhxen.( 1-n1)lsgyi sdk6,pa,ssure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a f 1s7sxh u/g7d:hoa9t42o wpbpw7l 1oreversible adiabatic 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 mulws htpdxf ags717o 27o91bw/uho4 :p ch work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of 9gszl9yos0zmdt-yz. 3q p;k4the 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 and B, wh qsy l0 zzzstm 4;d9oky9p3-g.ich 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 s:lmvv 0 v(oiogqi)z7/hows four 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. Process D is isochoric (constant volume). For which prmg0(l zoiqv i/o):vv7 ocess(es) does the temperature of the gas decrease?

  16.48: From a given state of P,cjp wv30ho p;:yes8v7 V, and T for an ideal gas, which one of the following csy jpw ve08o v:7;3hpreversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while contaiy9sl:/bao( ft ner 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 process that cuts the pressure in half. Which satyb:oaf(sl/9 mple of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and tempe j;we+;(iobz8 1hokrjrature T . Which of the following processes would result in the greatest amount of energy added to the gasrz(+e1 bo;wk j;ohji 8 from heat?

  13.48: Two identical samples of a monatomicfmm w+op84swt+ 2ql2i ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat assotws 4 +m8 i2wmlfo2+qpciated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling