15.25: A gas undergoes the unusual process Mnj ff)z7j)m7 luygy79 $\to$ 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 p;cobominq (cc;q 0yrx*.6 9teressurized cylinder, the stream of gas feels cool. This is . ;9rm*bo0;i(tc cxyqqne o6cbecause

  94.35: A gas can be taken from state a to c by two differ.m8 *ermc .fd l/ctz 8sqpb1:bent reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work lz1s:8p*b e8rfcbc/mdmq t..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 Volumt zr0. wyftt05s +.st8dk8wpqe graph shown, in the process of going from a to b 6t50..q+k0 ttry8s8tf wd zs wp0 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 total heat added?

  96.22: When an ideal gas is isothermally compre(z9 oer 7soaua, oru3ez-s;5f ssed:

  97.15: Which of the following is always true for an isothkcyeo1eo;2+u ermal process of an ideal gas?e1;kyu2eooc +

  13.31: A monatomic ideat;d8gr tn5vr.swo ; 3bl gas undergoes a reversible isothermal expansion in an enclosed container. Whichrd ws3 bt;.v o;58gntr 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 an isochoric mtt 2 dsd-df2k5v ++lmcooling. Which of the followm-tv dt2fm kl +dd2+s5ing statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion.s4xmw rv*1f v3 In the process, vm3r*ws1v f4 xthe 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 surroundings?

  14.46: A monatomic, ideal gas undergoru t+)z,svg( mes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes tszumg) ,+vr (the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideabexln9aq/ w2jt;+/cx l gas in whicet/ln q2/wx;a x9 cj+bh the pressure decreases?

  15.47 One mole of a diatomic idea sd8);u4x+oaiva6 azil gas undergoes a reversible adiabatic 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 wasav4i dao8;z)6si axu+ done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal volumv 1p-5ys4b2 jpod(z)ll a .lbpe containers with the same pressure and temperature in containelzlypod5 pb(j)2.v4b lp sa -1rs 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 possib:z o,df-v/i:e; lobkxle reversible 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(es) does the temperatur-x,o/vzieo dl ::bfk ;e of the gas decrease?

  16.48: From a given s* :pssqz1 mj9ltate of P, V, and T for an ideal gas, which one of the following reversible processes ha*:p9lqm 1jss zs the most heat associated with it?

  04.45: Container A has a sam48mpufxe7 p uhmd4xw8m u t3*,ple of monatomic ideal gas, while container B has a sample of diatomic ideal gas. Tm *d 48 upufm3 x87txpmw4h,euhe 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 in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volumexlvhz v9 v g.( bwts8f+-*b,yc V , and temperature T . Whi8 (v x.gf*lyvzt,b-hw +cbvs9ch of 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 yemtjx57j28 bideal gas are to undergo reversible processes. Which one of the following choiceyxb e8mjt27j 5s is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling