15.25: A gas undergoes the u p4bc8p /xzn 9y6mkb .he8zx8enusual 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 cylinder, the stre- -l-si ;xfo o;)o mpau+2aacoam of gas feels cool. This is bec+moxc2pf-s-a;al )oou; o-i aause

  94.35: A gas can be taken from state a t6t m tnd4r25bd tmgu zjy859v9o c by two different reversible processes, a→c tm uz 92trjytv4d6 5gm9bn8d 5or 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 system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in them duq 1t 0:qhcj)yui:. process of going from a to b 60 J of heat are added, yicm: jqq.udht :u1)0 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 isothebshq+o,se/jcj-s;h1 rmally compressed:

  97.15: Which of the follo7o hs -/dg9w,k(s 4j(gm fubhgwing is always true for an isothermal process of an ideal gas?s-9o7d,gh f4 bhgw(j/u(gsmk

  13.31: A monatomic idealy,x a30 mmcg*l/7qzau 9kmo.v gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value ofu laa3g/c k zy0*xv.9qmmm 7,o zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochorir.--u7fyzk po c coolin-y ou-p.fz7k rg. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of ai g;48mcdukez a) qq 95. u0sog,rsls0 monatomic ideal gas 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 d5esq9gikur .lag8m ;os)0 4cuqs,0z of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an q2 1h;ztb9dnsisobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statemenhq 2bn1;dtzs9ts best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an en wh77c* y+yiq7 y.yon:4rkis pclosed ideal gas in which the pressure decreas+n7y oiry*p77kq.wyi y c4 :hses?

  15.47 One mole of a diatomic ideal gas undergoes a reversibq) kl96vow:g rukbz*8 le adiabatic process. The pressure and 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 don br89:*wzk6o uqlg )kve on the gas sample by the surroundings?

  03.48: Two completely iden jzb0tl:2e3eya3wwds5s a ;k,)o8 l katical samples of the same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After l3ye3ks),t2l oka:8 5wjwabsedza ;0the 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 reversib r6p 3qhv v1l.:x/yb x0qarv4 aiun1m8le processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is a1qqax rupv / 4l0yhim1brnv6a8x.v : 3diabatic. Process D is isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state 3i(e0;us qxl hof P, V, and T for an ideal gas, which one of the following reversible p lqx(ui3esh 0;rocesses has the most heat associated with it?

  04.45: Container A hasmlbtrt* 7t.u ,bvl c(0 a sample 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 cuts the pressure in half. .l btmrbct0l (uv7,*tWhich sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure )q.-th5qatnn r mt9+mP , volume V , and temperatu+n taq.t)5rmm t-nq h9re T . 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 w1hwlyv 2m.; 8sfk+x nare to undergo reversible processes. Which one of the following choices is a correct statement about h.wfw yx2+ vkm8sn1l ;the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling