15.25: A gas undergo 2kgpo+ih 6gz,es 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 frof :x6t/rru29;sa gixrm a pressurized cylinder, the stream of gas feels cool.ar9f;xx2i/r6: u gtr s This is because

  94.35: A gas can be tai w+0/5hv eo rro0n;pfken 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 i+enhwvro/o;p f 0r05added 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 shown, in the process of goin k79;kgf8ro+k;vwq npju/at :g from a to b 60 J of heat are added, and in the process of going from b tao 8g uk7:fk;jtwv/;pn+k 9qr o 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 isotherm bj,(0mydm w/vally compressed:

  97.15: Which of the following is always true for an isothermal process l;9ch;mvaq+c )xx(dwo -l ;xuof an ideal(vl);;c uwh c-qxx dxml9a+;o gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermw3fd/px+a. zy /yjy, pal expansion in an enclosed container. Which one of the following quantities associated wi +a/ zpdyw. /,j3yxfpyth the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric coa b9r(:3fzdd347 f8uprpkejo oling. Which of the following statements must be true after the completion of these proces4dda f9efzrpk( 7 oup8b3r j3:ses?

  11.44: One mole of a monatomic g stf4ll8gr5cr2u+ t*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 rg82strl+ct*g u 5 4lfamount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the processs3h f0w4db;ef fpr720v dhr k+, the gas performs 80 joules of work on the surrou v +p2h;rd7ehf0sbfk0fwr 34 dndings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric processm0mh-ko/orc9t 4s3 ti on an enclosed ideal gas in which the pressure 0-s9t4 itr3hkoo c mm/decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic pcqvw)xp1d z ,:rocess. 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, wx,zd c ):vq1phow much work was done on the gas sample by the surroundings?

  03.48: Two completely identical sambk8.t.ystf4 ;d:s1dr+ iph swples of the same ideal gas are in equal volume containers with the1wfi;4rt.ks+d tyh d.sbs8p: 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 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 different possible reversib8 y: 7rtzsz2l3kuety5le processes performed on a monatomic ideal gas. Process tlzs:5yu7r2y et3 kz8 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 decrease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of the foll ;hrk2vx; l:3q q9ghcmm./eubowing reversible processes b;:9 m hghu3/lcvm ;kq.xe 2qrhas the most heat associated with it?

  04.45: Container A has a sample of monatomozp1:k8qs3ga:i uyu l)m b3dee)9 co-ic 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 d mue:y li3)a8e b3ukzg) - o1oq:9pscof moles 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 ideal gas has pressure P ,5+j a * dhodso.f)jw9v volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the9jd5wo)+voa.jf *s hd gas from heat?

  13.48: Two identical samples of a 7:3l 8c.my ddr+cy akbmonatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statemen.br c3yddycak 78l +:mt about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling