15.25: A gas undergoes the unusual; s2yk* +qrhh tk z;htyg2h1,i 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 f6.) **d54ayvwqc iu4 e 7k c( 7ehaxgackjlb2oeels cool. This ice*ax .o(7h7kc2g )4bvk i5 q u6a*cejay4wlds because

  94.35: A gas can be tu osth(vjm-5 85bzpf9r7 ju 9naken 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 t99z vj5 tbp r8jm5u-(huf7sonhe 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 show2uh j2loiuk;iz94 rtt8t lh7 + 4:xdfzn, in the process of going from a to b 60 J of heat are added, and in the process of going fro r+tjlt2 8z4 dlu 9ohz7uxifikh; 4t2:m 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,bc0e qah68sm; ybve: compressed:

  97.15: Which of the following is always true for an isothermaly+,d azlip(-3 brnm8v6vasi : process of an ideal l86bsirid-vn,+3z(aav:y pmgas?

  13.31: A monatomic ia;tr3q1od,cg0nw y/l1 yk-lko (*zrydeal gas undergoes a reversible isothermal expansion in an encloseygzly3;,*r1on/lqy t0d oar -kwck1(d container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followegyn.;,kauv b)0lw t7q d by an isochoric cooling. Which of the follow7g, aw. l0uv)nq tbky;ing statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. cpg 2h.6 cvj5w0wo2l uIn 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 gas on the surroundings?cw26 j.w2o gvpu05lhc

  14.46: A monatomic, ideal gas undergoes an isobaric processckrq2p g fa0meq5;z.s3k 0/sd. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat ex f;daqkm5 s/q3kp0 z02srec .gchange during this process?

  07.40: Which is not true of an isochorp vz e j5y fz.tfn:(xmh;-sakt+d *,v8ic process on an enclosed ideal gas in which the pressp.a:tdvhzmkj f,-x y;nf+ 5 sezv(*t8ure decreases?

  15.47 One mole of a du b-4ubb 7w*bbiatomic 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 vol-wb74*ubbb ubume is halved during 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 gas are ikqxnp+g( 19y 17;pfgv jir.b vn equal volume containers with the same pressure and tpn1qpxb7. ;9gri1fg+(jkv vy emperature 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 sho, ))h h x b,l0j7pn6 2obkmt6tukkcdv8ws 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 process(es) does the temperature of the gas decreas)t jt0n, 6x 6ckkb l,mobuk87)2phdvhe?

  16.48: From a given state of P, V, and T for an ideal gas, whic .cykhjj6 7/ x6 xk-/zewgt uyi3i/l,(hw t(anh one of the following reversible processes has the most 7(6t k(, -jz/y/iwy6wxacjx3gue n .t hihk/lheat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a ce:hvj1e thowwj1 9wy 5: z3j8sample 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 proce35jv:yet: wjc91hhz e18wj woss 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 +9l/wgtc) rr ;o.)zsb 3bzphu, volume V , and temperature T . Which of the following processes wrbh3gbw/ t+or zcl. p));9zs uould result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a m1rhoc7:t eh14hkgo. yonatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the processe. rc1gy4 hoho7t1hk e:s?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling