15.25: A gas undergoes the unusual prody) x1zps,f,)bl :dib cess 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 pressurf +tugs d6wmldfv o16 k31bsc7oj,)8uized cylinder, the stream of gas feels cool. This is becau 6sg +dcovtdj7s8 ) 13mklu6fb fou1,wse

  94.35: A gas can be taken from state a to c by two different rezq5x, 4hz 4lz2yek8,fr pgd r3versible 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 d4e g8z5,p2 ,zr3f rkxy h4qlzdone by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process of going gp+8btqcw lb o *7( )v*fazi :4xa1yyjfrom a to b 60 J of heat are added, and in the process of going fromvocq*pajf7lyz(t ax *wbg8 )4b +yi1: 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 isotherma2xbxjc :qad,/ lly compressed:

  97.15: Which of the :h sgt(vdm;j2gj 65 jxfollowing is always true for an isothermal process of an ideal gj2v5(g6hmtxsj : dj ;gas?

  13.31: A monatomic ideal gas undergoes a rdg1x0x wmdr.qug 3s7+eversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a vw3d0rgdmqxu 1 7g+.sxalue of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isoch95 ulhy7ft v)coric cooling. Which of the following statements must be true after the completion of these9 fc7l5v)thy u processes?

  11.44: One mole of a monatomic idl022wno7.fab nn )mrqeal gas undergoes an isobaric expansion. In the 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 by the gas on the surrounding22qf7alo ).mnnrwb 0ns?

  14.46: A monatomic, ideal gas undergoes an isobar4 mlpr i5y*1op/vt b.kic process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange ti5pol r* y.m/kb4p1vduring this process?

  07.40: Which is not true of an isochoric process on an *kd (g/tdl4oy4xo ;9jvvbi( h enclosed ideal gas in which the l vxjy4/od;b( v* og(i9k4dt hpressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatfl.gpipe+qe. p ,/.mkic 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 done on the gas sample by the surroun,pgeemk+q/i p .l .pf.dings?

  03.48: Two completely identical samples 8p569.u oj4 ihxogpgg of the same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A ang 4u5ojxogg hp6i.89pd 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 sto7i4/u )ohtfour different possible reversible processes performed on a monatomic ideal gas. Process A is is/ot )us 7oth4iobaric (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 idsq417fw7u:s us *qop r(uc) xfeal gas, which one of the following reversible processes has the most heat a1xs(sfsu7 q*rop )f 4quu:wc7 ssociated with it?

  04.45: Container A has a sample of monatomic id m*qva5u 2zr3jeal 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 undergm3vzqu52ja* r oes 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 ideal gas has pr uo6o3 0grrozy7 j//akessure P , volume V , and temperature T . Which of the following processes would result in the greatest amount0oj y r/ogo67z a/kr3u of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo i1ln. dp1rjk5 ky8 x: r0 1salfg9o/clreversible processes. Which one of the following choices is a correct statement about the heat askyl1o: 8n 0 59crr1jg.lfp 1lisx/a dksociated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling