15.25: A gas undergoes the unusual proy6ce rp+nqi m*yu5w4h- 5/ndg .41ut+b jaketcess 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 pressurizy --;m .rwl6 0hu-.f7 trlsyvjuxzjk+ed cylinder, the stream of gas feels cool. This is beca -mk uxlsy .f--vujy7w.l;t rr0zj6 h+use

  94.35: A gas can be taken from state a to c by two different reveb :ro2g)/r tbpo9/dh ersible 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.t:oo2 /rbhpbde) /9gr 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, i huy2dx7l9ub5qru 5 +fn 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 heat are ad9u fqxby2lurd 57uh+5 ded. In the process of going a to c to d, what is the total heat added?

  96.22: When an idealcxe yfxx; o flu*spr9fm1w 2y-+7m,)w gas is isothermally compressed:

  97.15: Which of the following is always true forx4d:4e -;* m nzathawv an isothermal process of an ideal gasmvean:z*;4 da 4x-twh?

  13.31: A monatomic ideal gas undergf5bolw3l -bkqv3cw +, oes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value of zerol,q3+l5 cvbkwb-o3w f ?

  09.33: An ideal gas undergoes an isobaric id( + ob1dk-stexpansion followed by an isochoric cooling.1i+kd ds-(bo t Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal glny-gys..d7.1lylt 82q 7 :otajqantas undergoes an 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 d7d7njl - yo 1 .tylan. tgq:2l.qya8stone by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric proce4z1s8bc(07 fcx d xxbmss. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the 1bbx4x(c7x c0msd zf8heat exchange during this process?

  07.40: Which is not true of an isochoric process on an idohei1 tl;/fdj, h2i ;mby09:xqjx)enclosed ideal gas in which the pressure dld)fj2qjei91 mohbhx/;,d x;:i0y t i ecreases?

  15.47 One mole of a diatomic ideal gas undergoe,j(o 9e ivddof6) u(icqk.v s1s a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the voluuk(dvf1joois. () 9d cv,q6eime is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely rhr4w++q ey vp4plwb/ (7j6txidentical samples of the same ideal gas are in equal volume containers with the 4 /yvxb q6hw4ejt l++pp (r7rwsame pressure 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 reversible prupdx +xn;;b,imwein .qn53 w-ocesses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. P,xnq;-ni +wxd.;wp5b nmie u3rocess 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 an ideal gas, wzs k, mcyli(.4hich one of the following reversible prokmi,y sc(zl4 .cesses has the most heat associated with it?

  04.45: Container A has a sample oy i :isfg/s-0 gp-,npaf monatomic ideal gas, while container B has 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. Whiya0gsi/-f sig-,pnp:ch sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressuoojz5r1mz0)j re P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas from ho)zj z m0r1j5oeat?

  13.48: Two identical samples of a monvab*(bf ii3 j2atomic ideal gas are to undergo reversible processes. Which one o ij (*2afbb3ivf the following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling