15.25: A gas undergoesz :ni; (m1wczx 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 .azjs vbt-( :cfrom a pressurized cylinder, the stream of gas feels cool. This vs.a:jtc(bz- is because

  94.35: A gas can be taken b+(ng gz7 zzhf 7,k,usfrom 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 akh 7+, z ,7zf(gnbzgsu→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 process of:nzpv3, s qvccw:-.vw going from a to b 60 J of heat are addedw3:cpv:v wnq, vs zc.-, 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 total heat added?

  96.22: When an ideal gas 5o2 9fcwenpn uvj-vv47ux:2y7a dg 1ois isothermally compressed:

  97.15: Which of the following is always true for an isothermal process of an idus9 r jf kqjm14*qho44eal gu4hfkqoj4 4 r*9js1q mas?

  13.31: A monatomic ideal gas undergoes a reversib7 56ybch php 8fljy9,ple isothermal expansion in an enclosed container. Which one 56pch7 yl,hy 8fjp9bpof the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoee ij buzhf3mg fyr6. 19.74josh5a z*is an isobaric expansion followed by an isochoric cooling. Which of the following statements must be4.ef1 *39.mj 7brgu 5jzhfhiyoisa6z true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergtqz 8j-:1kz ,m8d ondi*ofdo 1oes 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 by the o8* tjdddq1k:o1-fino,zz 8m gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the pp-lxw u k:(;orrocess, the gas performs 80 joules of work on the surroundings. Which one of the following srok ; u(xlw-p:tatements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas(r8xcsph h4n9 in which the prec4x( 8hh 9pnrsssure decreases?

  15.47 One mole of a diatom gi/qt,t:-gclfzi.w gt.6h 7zic 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 duri:q. l cfgithtg /-6z.ig,wt7zng the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gat 9use3ral0rqf7 g7h. s 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, which is at the higher teuq g3.rhtse 7r 9f07lamperature?
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 different possible reversibl 6xee 0meyi1df o:5tp3x6*fxrgz.l :qe processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Procey*xt:e531ix d6 o0 .:l6pe qmzf regxfss 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 state of P, V, and T for an ie ktc f9iwq2c4,q1pot4y)lp 7/mad+ b deal gas, which one of the following reversible ,4q2 fpo4tpcic tkq1 +beyw7/la9m d)processes has the most heat associated with it?

  04.45: Container A has a sample of/pj:i h 2hg 49mz5qfby 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 molefi5/zgm q 9:2hjhb4pys 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 ide g)1qa))ler nt +p-naj+ x(i+6vuohny al gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to ql-v +nx y)(phi)6nan1+raug+ o)j etthe gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversible ;g9nju5f/en aprocesses. Which one of the following choices is a correct statement about the heat associated with the processes? ;e9 ufnj 5ang/
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling