15.25: A gas undergoes the unusual process Mp:,w+ ha2nt3oss ,ajj $\to$ 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 sta5174ic;tcr waaa p1zream of gas feels cool. This crz a57itawp1 a4a;c1is because

  94.35: A gas can be taken fro-dnkb;vi j2+nm 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 added to the system. How much work is done by the -;k 2ivjnb+ndsystem during a→b→c?

  06.26: In the Pressure versusa gh9w7g/ao640pzpwf Volume graph shown, in the process of going from a to b 60 h ga /ppa74owz0fgw96 J of heat are added, 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 is isothermalis)bbla (y:w6/my hs) ly compressed:

  97.15: Which of the following is always true for an isothermal process v*r1p2 j7wz xvh17pq(yx n5qv of an ideal gn2(vrv x17w jqv71zpy 5qxp*has?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion h.t.1 zxfyca, in an enclosed container. Which one of the f1c,.ythz f.a xollowing quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobari x.ygnvy,2bdb/s x,z; c expansion followed by an isochoric cooling. Which of ,bnys,.; bv/z dg2yxxthe following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. In ttil l2*o+5kg qhe 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 bkg+ l2*iqot l5y the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes ajws/yzg9 c/v : od9g namdg *j/4;i/nhn isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best dz;j4/yw ncjdnhi9 ovg/s/ ag*9 /g:mdescribes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ide :giexz+sqsl*kjko 0;3(z3 ikal gas in which the pressure decreases?kis + ; k3zi:e0jx*glokqs z3(

  15.47 One mole of a diatomic ideal gas undergoes a rever 8k+ rb:iq0q jtzct-+gsible 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 donejg bci t++krt :8-zq0q on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal volqq;i3v) v561ptov2uo (enfh w w8gjp9s9ppn 1ume containers with the same pressure and temperature in c(i3hnpw9q;pnpw2ooeg ut fj 1pqv9 v15s6 8)vontainers 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 reversible ret8f-,r9iw2yif6 s p gc pz9 y2c v.:lucy8:oprocesses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature).8ct-,6zo9u8:c y.i2fc 9 eyrp y gf2silr:pw v 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 a30ly9 e kfpfrv6lb(b0n ideal gas, which one of the following reversible processes has tl0ek6 (9 pv 3rlbyf0bfhe most heat associated with it?

  04.45: Container A has a sample of monatomic ideaxtmoar9 h9lb:p,9grf f 6vf 89l 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 process that cuts the pressure in half. Which sample of gas is lxf 99hf9 r6: 98po,fmtvar gbnow at the higher temperature?

  08.44: A mole of a monatomic ideal h:tb2f1mb ,x rgas has pressure P , volume V , and temperature T . Which of the following processe1mfrh:t x2 bb,s would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic idealtod(gngb. ,tipqb3fi6i 0) w . gas are to undergo reversible processes. Which one of the following choices is a t fq0p bgow3t i6)iin.g,d(.bcorrect statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling