15.25: A gas undergoes the unusual process M;ed l6(mnjk3k $\to$ 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 pressurk6hb6v:d r)n zized cylinder, the stream of gas feels cool. This is bh z6:6nkv)rbd ecause

  94.35: A gas can be taken from state a to c by two differew;r h:-cyw v4kx9td;e nt 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.y-;d9 e;wk4vwx c:rth 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 going3 rk5)z hrl 99ccozss8 from a to b 60 J of heat are added, and in the process of going from b to d 20 J of heat are added. In the process of going a to c to d, what is the totals9z9k 5z c8o3cs)h rrl heat added?

  96.22: When an ideal gas is isoth8/:hq:dmw yfyb xy/v1ermally compressed:

  97.15: Which of the following is always true for an isotheu(1(ahp dgp lo7n*q y7rmal process of an idealqlgpao 7h(7 (1uyd* np gas?

  13.31: A monatomic ideal gas undergoes a reversible isotop4 t32 g9 1n6/azxkyahbfdi 9hermal expansion in an enclosed containerpbhfga4n 93t1zkx a i/ y6od92. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by a.; :cd;q ekkxep+eu hi6 /yli*n isochoric cooling. Which of the following statements must be truei. e +;6yqxkp;cilkehu :de/* after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobar 1vs p*macd;k)ic expansion. In the process, the temperature of the gas increases from 3 sa;)1*vcpk dm00 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, ideal gas undergoes an isobaric process. During the procip2ejn) u,;qj ess, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process;nq ,ji2)ejpu ?

  07.40: Which is not true of an isochoric process on68m ob8okqsn hjy +z*s97ftkf8: rid 9 an enclosed ideal gas in whick tioryno h*988k sm9q:87b6ffj+ds zh the pressure decreases?

  15.47 One mole of a diatomic ideal gas u n esxceq7u;rb)yt*) dl(m -0nndergoes a reversible adiabatic process. Thexbyd; r e0 7-* e)cs)ulq(nntm 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 surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal x9hty e)ns4ho0yi c9nl .x9wcr9 km;)volume containers with the same pressure and temperature in containers lm) kn4 r;nhsyi y0.99w tx c)xe9cho9labeled A and 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 four different possible reversiblyn.f* of) opz waa5:(ce processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure).ayw5).o * n(co ffz:ap 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 anf7j q,p /wrpn1 ideal gas, which one of the following renw1jf 7,p/pq rversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has wlye *-up5)siea kl,edj8 ,y3)v9 elia 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 undergoeyiwe a) )ey38vsukp9-ee i ,*ld 5ljl,s 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 pressure P , volume V , and temr24 mr/()vbi qx 5psx0z zxdy5perature T . Which of thp(5z xxxbz/r0)mvd5y 2r 4si qe following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo revers/xl j:b5xts x4ible processes. Which one of the fj lstxx/ :4b5xollowing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling