15.25: A gas undergo 2ka d 5i ef2i1raq+yphv6io4)es the 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 pressurized cylina5b3k:fgilk(b; yhe z(/)kif der, the stream of gas feels cool. This is because :a ehfil kfi3)kb5 (;yk/(gzb

  94.35: A gas can be taken from state a to c c 9b0a /z+gl/gj 0s4dueqq b5qby two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of w jsqulz4bq0 q//9 cabdge+ 50gork 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 show:o4 4lk ,f:/f dp+a-zmlnasf rn, in the process of going from a to b 60 J of heat are added, and in the process/lf+a4n z-lksp4 : f,ra:do fm 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 compressedrub l/ bgt(i9haq,s88 :

  97.15: Which of the following is always trueukwn ,zia;wb-uh5 vcflp,.sp rgf -3 .i3h27k for an isothermal process of an ideal gassnf2bf,h-u 3 ;.uh3. avkp 7p,i c-kzliwrgw 5?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in k60sbm9pk0ml an enclosed container. p9kl mk06ms0 bWhich one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoe5zndcb (/qp0 pg0jfc orb/w :-s an isobaric expansion followed by an isochoric cooling. Which ob/pbc w50 :j-p/cgfd (qn0zorf the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas underg:yh6: z6ba lk* ;f+xdp+*pnjvzzgr ; noes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choiydg *hvx;zzfrk+bj:; +6: pz*a6pnnlces best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During th++st lm0vpe )ne process, the gas performs 80 joules of work on the surroundings. Whit+mp+ evlns 0)ch one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosey)ande6jw-e nw+m 1( ndm7 3xpd ideal gas in which the pressuny-dxp) a7jnne6we(3m m+d w1re decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic proc b hv f s+q,wbxi/6e9x.(k:8s)nsff hqess. The pressure and volume initially are given as P = 2.0 atm and Vns 8 /qh9 f v(xqbfh:b6sx) .wsefk,i+ = 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 idealv sr x-c)y2 7w:+7xakuj(tjod gas are in equal volume containers with the same pressure and temperature in containers labeled A anwu( )a2x+k7xjr7y: v -tdc osjd 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 difc kv*q31c n-h iz.qr*pferent possible 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 isochori.vk3cp rih1*qz*q- n cc (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, 3o + nbg2rf8oqicz9 t.V, and T for an ideal gas, which one of the following reversible processes ho zci tb9+r8 ngo3.qf2as the most heat associated with it?

  04.45: Container A has a sam me 6 97 ec6zdgv5ukmj 8fnu:g/4g/wjzple of 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 cut u4jm7 e6d/u5vf9jn:cwgg8/mk6 e gz zs the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas5z g;xv8*f,tl hus6m j has pressure P , volume V , and temperature Tms jg x;lh,ut65 *vz8f . Which 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 a*0l 0 jzbpzu+qre to undergo reversible processes. Which one of the following choices is a correct statement about the heat assoq0b z u*0+pzjlciated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling