15.25: A gas undergoes the unusf ozsl 6cx 7hlo);/dz;x-d/ltual 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 fb w5 0v-7i93mdjjivnxrom a pressurized cylinder, the stream of gas feels cool. This is becx7vi9m wj3-vjnbi5d 0 ause

  94.35: A gas can be taken from state a to6n keu+wlw14w,(kfz n 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 hkku 61w(wz+wf n l4,neeat 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 shown, lwv-p-scp h3*knb v8l /49dxe in the process of going from a to b 60 J of heat are added, and in the process of go-dw/3 x9l4lhv s8v bp-ke*cpning 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 isothetvun1r *vlo 8rg et8:op8,n-jrmally compressed:

  97.15: Which of the following is always true for (uab;hyl-kbn)d b+5s vwya9h*f r 9 2ytjry60an isothermal process of an idealuy r-bad9b yk(y5;bhsf9*v 2l0yawnh tj6 r+) gas?

  13.31: A monatomic ideal gas unde1ees5(m3.3)owb noe jxxm in; rgoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities3me3;ow5 sjm 1.)xone xi(enb associated with the gas has a value of zero?

  09.33: An ideal gas undergoes a8 vacee.9jb m(n isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of thes(.9caje meb8ve processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. In tvul: n+289a nrab/tvf shv-: :yzns7nhe process, the temperature of the gas increases from 300 K to 500 K. Which on2 7u abav:n-/nr:szn+h:s8t9l nyvf ve 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 po7s h8+ gp00fgdtxn 9qrocess, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the hgdgfphoxnt0q0+ 9 78seat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas in wswm/x5 bv a 5kbi-ws/;hich the pressure x/ 5/i wm 5a;sksbv-bwdecreases?

  15.47 One mole of a diatomic ideal gas undergoe6yo rvsx1 s4k3s a reversible adiabatic process. The pressure and volume initially are given aryv34so k16 sxs 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 by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equax)8fov4qj6g j,f0lz nl 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 Blx8q0ff6 vj4 z)o,ngj, 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 reve7+x5-8 eh lqzdlz,oiaamex6*rsible processes performed on a monatomic ideal gas. Process A is isqdx6+*z e7-al5 he ,xilmz a8oobaric (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, whic y3lue;xd7;qi2psc9 gh one of the following reversible processes has the most heat associatedlcs;q7 x p g;e3i2du9y with it?

  04.45: Container A has a sample of mo iv7v 3gbk1ces(rpv-1jzo t7sl9q w/0natomic 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 of moles of vgpweqt b9vj zc7 0s3 sr7v(1-/i1oklmolecules. 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 p5lm bm*c;6ud ideal 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 from heat ;m*5lpbc mdu6?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversibl:jdce+h f6(xcuv rsa./sr40 je processes. Which one of the following choices is a correct statement about the heat associated with the processes? s4 (jcu/ .hxsrv0refaj6 d+ :c
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling