15.25: A gas undergoes t 9ome 0ki2so.qhe unusual 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 pjzf4jp3,py b5 ressurized cylinder, the stream of gas feels coo,j 4j z53ppbfyl. This is because

  94.35: A gas can be taken from state a 2d*me(ls jy 0r3)ujzuto c by two different reversible processes, a→c or a→b→d0jj( 3y sluz*emu) r2c. 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 work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph s7kszo-ix zw8xl 4:s6lc57l ul hown, in the process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J of z xsc i4-wll k65x7:z os7ull8heat 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 comprejq;m/sdrt yq o; :s(cf0g3 x8hssed:

  97.15: Which of the following is alak byzd3;yvk n564g7hbn s9y*ways true for an isothermal process of an ideal s; b4nnzy k5yv h39kd7a6y*gb gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal exphc.d 2v7 lqr4aansion in an enclosed container. Which one of the following quantities associated with the gas has a value of .q2 cv4lh ad7rzero?

  09.33: An ideal gas undergoes an isobaric expa3lyp/qd3p*7 +43pqq h8ng dvrt(srp cnsion followed by an isochoric cooling. Which of the following statements must be true after the comple7qprch3t3qny *(p p rsd4+ d/pl vg38qtion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes ava,i/ hzx k)qh4gx )q3n isobaric expansion. In the process, the temperature of the gas increases from xq 4az)h q3/ gi)xvk,h300 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 isompyu 1jc wj fe4s-0m)7baric process. During the process, the gas performs 80 joules of work on th 4s 7f j)1mcmye-pujw0e surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric procoohqf5 sm q6:.9ewpy ) m;3bfdess on an enclosed ideal gas in which the peoyqmhs q6 .)5db9fmw;p:f3 o ressure decreases?

  15.47 One mole of a diatomic ideajy7.ryuu2vbi a*m8r3 l gas undergoes a reversible adiabatic process. The pressure and volumeu* mvr uyy3ja 78r.i2b 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 a/ez.j ae90x u dtao, 9uuyd-5lre in equal volume containers with the same pressure and temperature in contaia,d y.a5de-olxue 9/0 uu t9jzners 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 reversible processes perfo5n ljs :* bak;bcd36vd4c: f j1dqcw)drmed 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 temperature of the gas dec:;qcnj)d5 d dd: 6wb*v4ccska1 l3fbjrease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of the r) -lyhzm(j(d+cui,nfollowcrh,jl(n) -zdy +uim( ing reversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic 08f7rper + *whekkz(9sigq n+ ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and nuwf8he0s(qk7 +eink + pgz*9 rrmber 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.1yufa whu, 1stzc /8o ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy shwfa u,/to.1 y81uczadded to the gas from heat?

  13.48: Two identical samplesiif bf.z wmh.1d+i)a7 of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heaf z7bfdi +a.ii.whm)1t associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling