15.25: A gas undergoes the unusual proq8yd n2m l:f-zcess 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 pressurizedn1ypuxxr1cgw *0uabu v:.n; 8 cylinder, the stream of gas feels cool. This is bxuxn .gbc n8uy uv a0;p1wr:1*ecause

  94.35: A gas can be taken from state a to c by two different reversible processebv h,gw x-(id0s, a→c or a→b→c. During the direct process a→c, 20.0 Jx(- ,ibh0vdwg 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 system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the p-ufj)ch)g u s:rocess 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 he: jsgu)uf)- chat 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 compressed:menno 8 33gnmtnuc*by90:1qd

  97.15: Which of the following is always true for an isoe9 r-/ bvh)waothermal process of an ideal ga r -hwb/ao9)ves?

  13.31: A monatomic ideal gas undergoes a reversible isothut spzn 2do5-09c5vsoermal expansion in an enclosed contaizco5 09u5o 2pssvtn -dner. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expkqi2nk; bba4cv*g4mh:w:r y/ansion followed by an isochoric cooling. Which ocn4vwa4g m2 rk:q;yh/:bki*b f the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion.)7u xg:vpmv*p In the process, the temperature of the gas increases from 300m* vpp:u x)gv7 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ic dy/pp-h,aq :deal gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the suyppa/: q-cd, hrroundings. 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-by8e ue avvr3a y7s4 im(0;0e hf/ohj an enclosed ideal gas in which t-0r8bm i3 yv0 eu7ye(4ej hhs;fvoa/ahe pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabat6b6gyx iu.ug; ic process. The pres6 gbuixgu6.y;sure 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 done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the sez jd8/9u -dfmame ideal gas are in equal 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 B, which is at the highe j- m8dfz/du9er 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 rev, 25rq 4qgjlipdw7u y(ersible processes performed on a monatomic ideal gas. Process A is wd5gqjl ypr2 iqu,(4 7isobaric (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 c+zfp u2nb*k pcu50w1P, V, and T for an ideal gas, which one of the following reversible processes has the most fupc2pn*01 k w5bcu +zheat associated with it?

  04.45: Container A has a sample of monatomic f hoo*a*p) atvl3nf/( 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 molecules. Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is3va po/ahtn*o) fl( *f now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pref1pcveij2yd (r o:j- +ssure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added torjc+2 fo1-:v d(yeijp the gas from heat?

  13.48: Two identical samples of a monat41z f0pm4c(pzsnr 09 ,xkafndomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statem andz9z nk4ppcs14m0x r,ff(0ent about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling