15.25: A gas undergoes the unusual proce 7y-3r htvfx3sse9g m(ss 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 fr+8 gdjs yzau2qch, p,ds/2,zrom a pressurized cylinder, the stream of gas feels cool. This is 2s / a2h+pqyc sd,r d,,zuz8jgbecause

  94.35: A gas can be taken from state a to c by two different reversibli8, v3ynq tpu1(qqq :pe 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 dop 8iq13 yp(qq:unq,tvne by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the prlg7 ( zd5ce+ t po+ear4pk5*jcocess 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 are added. In the process of going a to c to d,c e tja7l+c4rpoz*kd+55 p eg( what is the total heat added?

  96.22: When an ideal gas u -wc5i6i5g pqhh 4hs-xb*(dg is isothermally compressed:

  97.15: Which of the following is always true for an isothermal pro7 rwg-.c1,mh gsqa8e gcess of an idealmgr-hc,a1s q.g87egw gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expaw ye4ks)g 8hp)/ bbxr;nsion in an enclosed container. Which one of the following quantiti sb pbrwk8)hy);4x/eg es associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isocho pryt+g0*tua c h2l*)xric cooling. Which of the following statements must* yua rgpxch+) 20*ltt be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansio3 w+i6vxi r4i,y4gpoen. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the ax6w 3eyi +gi4r vp4i,omount of work done by the gas on the surroundings?

  14.46: A monatomic, imuck.x;i h +x y6tl07vdeal gas undergoes an isobaric process. During the process, the gas performs 80 joules of work t;x .h+7 cixyl0vum6k 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 on :;ymv pp8xp9tn3 n2sy an enclosed ideal gas in which the pressure decrep 2vp s98ptxy;mn3yn: ases?

  15.47 One mole of a diatomic ideal gas undem;ro .kvq (kd6c w9rzcs*4j quc4c/7hrgoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm a(*9h d4 cw. qrrokcq;7z6v4m jkuc/scnd V = 30 L. If the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely idef1haz.lx0q d 29e l2whsi)8mgntical samples of the same ideal gas are in equal volume containers with the same pressurewal 9 q 1dx8 hfl2gim2eh)z0s. 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 reversible processes perform3 r//jqw77si kks(lp xed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperaj(q7sr/lk 7ws/kx 3 ipture). 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 m4v-aezh9dn p. kfcmwu06q0j h64(x 2gc1cdr of P, V, and T for an ideal gas, which one of the following reversibl9qcjm hdh1g. caf0pr442(6x cmz0 ndk 6euvw-e processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while con -l 4pr:xb9 lx8mvo;cqjy+7hetainer 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 adiabatljq7r-xcmexyl8+:b ;h 4pov 9 ic 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(y(9g ghadz;w gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas fr gywz(;dha9 g(om heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reaaz lx.psjgr/) o;. 8uversible processes. Which one of the following choices is a correct statement about aou)a l rsx8./;j zp.gthe heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling