15.25: A gas undergoes the unusual process M 2lm9/ns hss(e733j q3z onmkl $\to$ 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)g6i0u- el* ems ctxq/ from a pressurized cylinder, the stream of gas feels cool. Thisce) *i0e6qxug t-ms/l is because

  94.35: A gas can be taken from state a to c by two different reversibl;ilrnx2 0feyouggy+sz5b psk.3 (1w +e processes, a→c or a→b→c. During the direct proce o(.32lsgr pyz y+1ek n;f+sx 5iwug0bss 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 done by the system during a→b→c?

  06.26: In the Pressure versus Volume gs/vbw n+ y6-hbk65ffa7lz+( jalemu*raph shown, in the process of going from a to b 60 J of heat are added, and in the process of going from b tjnksmfylvb+ah* fle +b w/ -( 6a6uz75o 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 7 k-teil3e*d k+bm 6opis isothermally compressed:

  97.15: Which of the following is always true for an isothermal process of an iu0f pxme/z f e,)(x2zxdea x (/xf2zx,um zp)e0efl gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansrp5fw3jaib54 ion in an enclosed contai bjr5f3i4 ap5wner. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas under;5, n jtfkay,pgoes an isobaric expansion followed by an isochoric cooling. Which of the follokfp;y,ta,nj 5wing statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes anv789 x55804z vioo, wpzmf4 gvkturgs isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which rg v 8g4m,8oouviv5z0kxpz 75 t49fswone of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes pju :59eilx - hcic65nan isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the folici9h-:5ux5nc 6lep j lowing statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on 5dk, zk pyh,,xz w6u3,2cf(jb:prmeq an enclosed ideal gas in whichhpfqyrck :,zb , mud2(ejwpk 3x6,5 ,z the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a tzuf ;zt c3p /567wkfjreversible adiabatic process. The pz c7jwkt5/fu3f6 p ;ztressure 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 same ideal gas arees3+ zfi 5o0dj 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 higher temperatu+of 3zj0se id5re?
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 di n9kjmdx 3zpifb0.85pf+ k5f 2g1 nglwfferent possible reversible processes performed on a monatomic ideal gas. Process A is ifxlkmd5j+z3b8 fk5pw 2np19if gg0.nsobaric (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, which 62lk +s:jg5t rmed +r:g/f hvq( 6zlfkone of the following reversible processes has the 5rk:grj 6(: hfe2m6lkgfs/ztl q ++vdmost heat associated with it?

  04.45: Container A has a sample of mon/fg c4bg k u586c fij3inu9 0lzn0vp)fatomic 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 vc3 cf8lzij4fnku056/igb9 pufn) g 0of molecules. 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 mona9g9qx/xttjv tns(h9m;o5tm ++sd g 2ptomic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy adde t sx(gdp9thgv2s x9+jo/t ;t5+9nmmqd to the gas from heat?

  13.48: Two identical samples of a monatomic ideh es7vmqr5+j2+y9gb dzhgy: x*6r;cy al gas are to undergo reversible processes. Which one of the following choices is a correct statement aby e6g + mcx gs52r*:jy+v;7yh9rqzd hbout the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling