15.25: A gas undergoes the unusual process )jz)ua;qw km.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 py1-cavns*7q 3fkq 4 yuressurized cylinder, the stream of gas feels coo k4qfqyvc-ns 13u7*yal. This is because

  94.35: A gas can be taken from state a to c by two different wgp vk/sl/84zhx 5ez(1c;slzreversible processes, a→c or a→b→c. During the directw zp;( zzsk//84lhxl gsce v51 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 added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shobntd zr7*1by+ wn, in the process of going from a to b 60 J of heat are added, and in the pd+1yb*zt rnb7rocess 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 isothe*vzn9 dj a+fwqlmk2lhm )98 g:rmally compressed:

  97.15: Which of the following is ,dre(/su/ a0e yf6eb kalways true for an isothermal process of an ideal uay0(,sree/b ed /fk6 gas?

  13.31: A monatomic ideal gas undergoes a reversible 25yq wf6h4iwm isothermal expansion in an enclosed container. Which one of the following w2qm f56h4ywiquantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion yhlhzyr;(e:kl)7, xrb u6 2sh followed by an isochoric cooling. Wyr)l(seu 6h2; , lx7zrkhyb:h hich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatxtawspb + jr597v0u2fomic ideal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 b xwp5t9r0ju savf2+7K 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 isobaric process. During the procxkon0c;: e2*v 1oyb, jx2gci)k9qo ymess, the gas performs 80 joules o2 9ngqyi) c :;,m 0oo xexbj2kv*y1kocf work 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 isochoric process xwi+hl2-krx zdy./k 7 on an enclosed ideal gas in which the xxw7hikdrly2-k+ / z .pressure decreases?

  15.47 One mole of a diatomic ideal gas u( h 3j0 fz9vwm+igk2c+xefdce.b2yz (ndergoes 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 during the adiabatic process, how much work was done on the gas sample +(j (evmgz9e xcdf 20f bh.z 3yi+2kcwby the surroundings?

  03.48: Two completely identical samples of the same ist68fea8czcv8w :,2)qw ba8i j qznv9deal 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, which iq 8,8 tviv a bzqa8jz2swc6c)8:n fw9es 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 d p5 13jbs134fb xip1clmx zeg+j6*hrbifferent 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 p+g1j5ebji3 hb13 *lxzpmxc14 6bp srf rocess(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of thto(sotbb ykzbin2az/ *f)3;l/ i az1( e following reversible processes has the most heat azb n*(z/t(fa3ls1 ikz);y2/ioob t bassociated with it?

  04.45: Container A has a sample of monatomic ideayrw5k(5is/zj 2 nna8b l 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 proci5jw/2 kzrs( 8 5aynnbess 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 prew fw4d7)9n ekqma-m+p ssure P , volume V , and temperature T . Which o pq4wwm97 f-m)+ nadekf the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gck:9- *6k hrc;o/rqil3yfl czas are to undergo reversible processes. Which one of the following choices is a corr: 6chfc-3rcq* z/9 lylo ikr;kect statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling