15.25: A gas undergoes the unusualf-h9b2 3p jhlwi4n qq0 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 cylinder, the stream of gas feels coga(-t4zrlk t, ol. This is bec( t,rzt4-gkl aause

  94.35: A gas can be taken from state a to c by two dif)zg(,dk rw *eaferent 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 heat are added to the system. Dukr *, awg)e(zdring 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 sw2qdz, zl7zqd eg,(7from a to b 60 J of heat are added, and in the process of going from b to d 20 J of heat are asdz (q 7g2qe7wd,lzz, dded. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is qs2)by3i4 m4qkjbzu:isothermally compressed:

  97.15: Which of the following is always l zyz7lf 4ut6gh(im :f1j( z+ztrue for an isothermal process of an ideal i :6zz1m((7tf+uj l4hzzg ylfgas?

  13.31: A monatomic ideal gas undergoes aszc pm yf,/: ;uljlk*3 reversible isothermal expansion in an enclosed container. Whiuz; m*3,kyj:c lls p/fch one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion f,zhybb5(;)3a6t+z kxpiu ya qollowed by an isochoric cooling. Which of the following statements must be true after the completion of these pzat y(3) 5,b6x;yib+pak uqhz rocesses?

  11.44: One mole of a mop ;wb 8h7mxh,wei2,rznatomic ideal 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 z,rewh 78xm;2bphw,i represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes 4:hr ai,*e 7sj yi7z: nx:pbnhan isobaric process. During the process, the gas per: is7:7 zx*jhbryean4nhp:i,forms 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of wmhe*tx xrj*,j:4 /vo an isochoric process on an enclosed ideal gas in which the:4jx*,j xh r*wot/ vme pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabrd24j 7 caz5*t ,jlplcatic 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 c d4ar2ll p 7cjz*5jt,on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal vo.towe+6m8h z9 ary;u .cuw8 inlume 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 hig ;n..6 t+9 wzircuh8o8uwmayeher 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 qldy*kciuej o/5a;6 (possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). *jlqiu( 5a6eodk;/yc 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, which one of the 15g w do;eri2q*jrh:yfollowing reversible processes has the most heat associated2yje ih1;*rogr5d:q w with it?

  04.45: Container A has a sample of monatomic idealhia: 40d3ae zd 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 i0:h 3 adez4adin half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , qu*sit:n q *g+volume V , and temperature T . Which of the folluq *+sq:g*tni owing processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatkw *(7g ,sfqxu3 ye*jvomic ideal gas are to undergo reversible processes. Which owsgkj *f yu3ev(*x,7 qne of the following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling