15.25: A gas undergoes the unusual process a.6cz7n1lmod -awvgs -y(ohk-pl(4 lM $\to$ 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 fee2 :wg nhs v(ghz*n8t9pls cool. This is bec w2ntg *9h(s :nvphzg8ause

  94.35: A gas can be take9p.o n7f f/xlun from 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, 25.0 J of heat are add9f n7xp l/o.ufed to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Voluur(p sw9u 0x t;jy x.z(6pbj3lme graph 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 ar zj09(6.w ysp;(uu3bt xpxjl re added. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is iso3i4;vdx7m d vvthermally compressed:

  97.15: Which of the following is alwayd)ahi 2t323b f+ippqg s true for an isothermal process of an ideal gas?) idf2i3 hgb ap+t3qp2

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in *.pr 1- fis,rkwp:c9ute 4 jnsan enclosed container. Which one of the following quantities associated with the gase, 4 c9: *-rfsru1psk.jnptiw has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric cooq 7 4. c-j.q:bodyscpyling. Which of the following statements must be true after the completion of these proceso-qy .c7bq .4j dpyc:sses?

  11.44: One mole of a mcmg1 op / mzg tyvrcep4j,4 mw00h.q+9onatomic ideal gas undergoes an isobaric expansion. In the process, the temperature of g0pqyw1 me /hgpz o+90vmmrt 4.c4c j,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 surroundings?

  14.46: A monatomic, ideal gas undergoes an ilg /v3d)c ( cjkb4;pslsobaric process. During the process, the gas performs 80 joules of work on the d4/()sv k g;cjcl3pblsurroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed*jbnj50kpege, joy1v 9x 7p d2 ideal gas in which the pressure depd9eo, 01pe5 *nj7xj vbgy j2kcreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatas3gg/v)wc+bq jeqfa p5)*6 pic 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,gjf63e cbwp )vs* p qqa)g/+a5 how much work was done on the gas sample by the surroundings?

  03.48: Two completely identicajenet3u *;oht1n /2 yfl samples of the same ideal gas are in equal volume containers with the same pressure and 2h;3ej*yn/eo ttfun 1 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 diffe)j.c5 )5(mi 9(s i d in5jceggurkh6gurent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant ph5c eum r5(g) jj g ud9n.skic()g5i6iressure). 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 state of P, V, and T for an ideal gas, which onw)7 mb pr8jwaq ldk,-5-asbi:e of the following reversible processes has the m-a:kw-w8l q a,ipdr mb5)sb7j ost heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container Bx,wg56ko rxolsd3,)j :nnrf; has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of moleculk,)ofrxgn 3 ;wo6d5:jlr xs,nes. 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 P , volume V , and te5i 1jblq(-bqo+ v)qfg mperature T . Which of the following processes would result in the greatest amount of energy added to thjobb)(q1 + 5iqlfq-v ge gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to 0u/ tekz siv0)undergo reversible p/t )zk0iveus 0rocesses. Which one of the following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling