15.25: A gas undergoes the unusual proto,vz . b0s lso 4lxjop0kq457cess 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 pres7 h aj 4d1tq 3*otlbt)ynoo*w-surized cylinder, the stream of gas feels cool. This is olj ) *nt1yat-4hooqw d t*3b7because

  94.35: A gas can be takpi h(dt(dp;uvz/3 p( nen from state a to c by two different 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. During the process a→b→c, 25.0 J of heat are added to the system. How much tdpu ;dp3np((vz h/(i work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process osl o *,h+nr;0qolb;t ;;r zmasf going 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 prlt;nl orzh0+;;m*qsasb ;ro ,ocess of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is is4vl l:j z+,;xu dlttq fq3y)4bothermally compressed:

  97.15: Which of the following iz7n,4+ yzwuqw s always true for an isothermal process of an ideal ga zu wnz,q+y74ws?

  13.31: A monatomic idl;x d/xcz(wf n* a ttf4s.e8zgyn.p -)eal gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the follow)nla(g*xe dcp-ttwnf;/yz.s zx4 8 .fing quantities associated with the gas has a value of zero?

  09.33: An ideal gas un2 tfaga-c-k9 i9ah- gu7n5cbadergoes an isobaric expansion followed by an isochoric cooling. Wbc gk--7auh-itaa2 cnag 5f9 9hich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an jz950 sl2tch gy)f.dq0rzyv5 j 03bta 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 surrofcys0q2rhjt z5l5.j0bzg9 d y0v3)taundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process035i0 y3aptkiez7o pot3 f+eh . During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange0pefzt3 ph 730+tyk5i o3e oai during this process?

  07.40: Which is not true of an isochoric process5wxziwaanu r. ()adk3z7go33m8 yi q8 on an enclosed ideal gas in which the pressure decreasequa.xr kn8w oz5g 8a3ywm3( )z7ii 3das?

  15.47 One mole of a diatomic idealweh0ibpp+9elkr 8cttw i 5) :7 gas undergoes a reversible adiabatic process. The pressure and v:eic5 rb ltwi0tpk9+w 8pe)7holume 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 samo*d .w c1qhy;me ideal gas are in equal volume containers with the same presycwq o1md*. ;hsure 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 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 reonh+ffih +vu0wjmzlnt;+a6rm l *2 3ple 29d:versible processes performed 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(enf*0rul n+;mfl h22hv zapt+d:im 9eol3 j+w6 s) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal y1c-q/hrx30zsvb bbig-h h9/ gas, which one of the following reversible processes has the most heat associated witb-shi c 0x13bgq-/ryhzv b/9hh it?

  04.45: Container A has (zk.qe gj + izq9 ,5cby*+z)oucegq)aa sample of monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial te+b+zq5e k c9i) .gao(zze,j )*qqgyc umperature, volume, pressure, and number of moles of 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 monatomic ideal gas has pressure P 8nm d v1g/j 0jqd;)+zb9bzhkh, volume V , and temperature T . Which o/)hjdz0 j9 q81bkhb;+ dvgzmnf the 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 rqlp289:t gkv dc t3py 8+jlze:eversible processes. Which one of the following choices is a correct statement about the heat associated with the procesc zek8l3 :v8+ j9dglqyp:tt 2pses?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling