15.25: A gas undergoes the unusual proceu 1-c66fwpdmkss 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 from0/ffedem7hah4 *9- eev xftooh*9kp1 a pressurized cylinder, the stream of gas feels cool9- do f47vf/e0f1p9ea*thkemehox h *. This is because

  94.35: A gas can be taken from state a q . leda6 dej8vhg* qa5grw+58to 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 work is done by the sysh5d e6 avrdj8gw8e+q. 5 ga*lqtem during a→b→c?

  06.26: In the Pressure versus Volume graph i 6(ut2z9 q elsp1*ctbshown, in the process of going from a to b 60 J of heat*pz6s cqlu19(bi 2 tet 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 compressed7 ;rhdqn3 0m:hc+tx ae:

  97.15: Which of the followingv8 l5+yjjo/ xu is always true for an isothermal process of an ideal/5ujlx8y+ ojv gas?

  13.31: A monatomic ideal gas undergoes+b 0x7nus 2naul;e/o k a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value of zer o se n2u0x+nl/kb;a7uo?

  09.33: An ideal gas undergoes an isobaric .eigm;jnt t b8j31:0hy. xxc nexpansion followed by an isochoric cooling. Which of the foll8.e 1n:c3.tj ;ijngxybh mxt0owing statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoe,+kt7;wzbcojz 2b+3pveaty 6 s an isobaric expansion. In the process, vykpztt o;+bb 23+c e,j 67wzathe 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 undergoes anejme;9 qi1n+wu.1 mdn isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?mwde;inmu9 en+1j.1 q

  07.40: Which is not true of an isochoric process on an enclosed/v2m,v.m7 gzqz(dk hbi 85fpuk)4pv z ideal gas in which the pressure decrubm,izh k4pq2fz(vvm7v./8dk5zp g ) eases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible gh zxl.h2s.3 fadiabatic process. The pressure andsg3 l.h2xfh .z 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 identigzjd g)urb-q4o(ki tbp6+5jn.( pn b;cal samples of the same ideal gas are 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 (n p gqr5n-4 +.btizu6gk bbpd)joj(;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 bly8a7:tg 0;7mv xregprocesses 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 (con y tlb0mx:vg7ge;8 7rastant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given s+e0s*jfu (yp kc7daj3tate of P, V, and T for an ideal gas, which one of the following reversible processes has the most hea30+ yeps (7ka*j dfcjut associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B *a cc1 .vz +.kbzozom(f ( 5vcc4bv)ydhas a 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 undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?*+mfz5dya(1k.cz bvov .)4 zbcv co(c

  08.44: A mole of a monatomic ideal gas has pressure P , 9 ,7a)rogps1dsd1lyygm/ l v7 volume V , and temperature T . Whichs7sgp7)/ 1 d l lryv,oag9myd1 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 ideal gas are to undergo reversibleo576ahv7 al nu9e)eug processes. Which one of the f57a va7 u u)g9he6olneollowing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling