15.25: A gas undergoes the unusu8dzz1m*k6e wejkp9p 7 cr 1k7v aoc,4sal 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 presru4zhjz 5zn/5b vk0 n5surized cylinder, the stream of gas feels cool.zbr5h n0vjknz / z554u This is because

  94.35: A gas can be taken from state a to ct*xzm 0s4vkqumd*o3, 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, 0s kzo*m4,t* x quvm3d25.0 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 ln)9l qpn .8jio89u txgn)(ejshown, in the process of going from a to b 60 J of heat are added, and in the process of 9l)t8ojne9lqxuni )p.j8(n g 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 i 2 hv y2j::huj7 w+wq/dfyw*srsothermally compressed:

  97.15: Which of the following is always true for an iso0y8z *q0s a2uahtuv s()bqkb2thermal process of an ideal ga) 2*8 q 0b0 (aszqt2vuybsuahks?

  13.31: A monatomic ideal gas undergoes am r ad;cal;7.h/ cx0qa reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with;hl;m/qx . adca0r 7ca the gas has a value of zero?

  09.33: An ideal gas undergoes an iso/g j z yu5trh:.dk nvs;8xr21ibaric expansion followed by an isochoric cooling. 8n/;rk vxyzs. ij:5d hgr u21tWhich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric exqd1uenz2 547)yescfo+4w) dvp wys *u pansion. In the process, vs+d 7yyeps4uuo wfn))*42w5cdq1 zethe 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 an isobaric process. Dumla5 7o0faqbbq3u /-v ring the process, the gas performs 80 joules of work on the 5a - 3b mavof70ul/bqqsurroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isrx+ke69b5 mbs ochoric process on an enclosed ideal gas in which the pressure decrea ser5 kb+6xmb9ses?

  15.47 One mole of a diatomic ideal gas underkg gcu *u+*js;6ot+ xsgoes a reversible adiabatic process. The pressure and volume initially are giveng*s+ +s;c*kj6tgo xuu 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 identico ; ):hy-6cjuq9jpzmg al 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 B, which is at the higher teqyh9j)g;m c-6: zpuojmperature?
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 -8n)capq n(tkreversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatapnq-k nct8 )(ic. Process D is isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state ouj n*o;1-g0l9tho i(s j:ogz ff P, V, and T for an ideal gas, which one of the following reversible processes hf-:jtgo zi*9 so( j;0olg hu1nas the most heat associated with it?

  04.45: Container A has a sample of m g .lu2pm+:zikonatomic 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. Which sample of gas is now at the hzl+mi :pgu2.k igher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , d+zi5 jy wu7a(and temperature T . Which of the following processes would result in the greatest amount of energy aw(azy7ji+ u5ddded to the gas from heat?

  13.48: Two identical samples of a mon)njm-pshy8) ph d13d 7tt dx-matomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about t3p x8p)t7nhdt1ym -jsd)- hdmhe heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling