15.25: A gas undergoes g (cshh,)-(zk dc+9xboe5jx ac s4po9the 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 from a pressurized cylinderh8y lq oj5 h*g3p,ey:a, the stream of gas feels cooqgj5,8 3h*heo:ypay ll. This is because

  94.35: A gas can be taken from state a to c by two different reversible process rs(c.6rc.vt34 q6lb zxdkmsj 31p3ehes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system and36.r srj mkc se(v14hpbx.tc q63z3ld 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 process of going fromd(*1ghwbr (o i8s ofpni6:.pc a to b 60 J of heat are added, and in the process of going fromh 8gb . 1di(oiw*6:f( rcpnpos 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 isagh;x 4dg :,,kr3zuhg isothermally compressed:

  97.15: Which of the folufs ck zty+7rs ) 8/vpf+qs-a-lowing is always true for an isothermal process of an idea a + 8rkff-)vtcpyss/sq-zu +7l gas?

  13.31: A monatomic ideal gas undergoes a reversible (, 6f+* jxte 3 07 cmhrbyen-xuuaumn)isothermal expansion in an ete3her) au 6cu*jx,( m0y+-fn7 mxnbunclosed container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes anzdrb+f+(d qh6-mf k)c isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after mrbfdq6dk h (-)f +zc+the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. w* 7 rec,h 7rzz9i4egq8ubom1In the process, the temperature of the gas increases from 300 K to 500 K. Which ohe4 rz71o, rzw*9ue8mqbg7cine 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 processns8er5w7pyp b/cj 5-d. During the process, the gas performs 80 joules of work on the surroundings. Which one of the follo p/58by5-cnj7rp desw wing statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed .zurdg9/f 0zfok uz: +ideal gas in which theuu gzfz.ordzf k+9:0 / pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversi /hekj;te+g:uc(lm0 sble 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:c(jlet s;/0hm+ guke work was done on the gas sample by the surroundings?

  03.48: Two completely identical sam8hh1o ko5 lyp(3.vuib0 /o swud.v-ucples of the same 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 o.-.0ud8wy3buovuplhc /vs (1 hi5koin 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 pe-kcyi+ 5 ftbh*i8ij5uw qse76rformed on a monatomic ideal gas. Process 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 t 5sk ty5ci6bhew*+8fij 7q-iuemperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ird86*m gqc c6u bxs;n1deal gas, which one of the following reversible processes has the mos c;dqmsrx6ubc*16n8g t heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a 83q glz:m .y axwa/o1tsample 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 prest1.8mza/ yxg: ow3 qlasure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , v;scd o;+or)ft olume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the +;d;ft o) orcsgas from heat?

  13.48: Two identical samples of a monatomic ide9gl-n d154 lk0jpomx tal gas are to undergo reversible processes. Which one of the following choices is adnkl-4xpl5t 9 jm1o0g correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling