15.25: A gas undergoes f wt p(2+itcd0vy(yo3tvcy()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 cylinder, the stream of gas fexkpbt : gz/ go98exj,28sslo00ed9dnels cool. This is becaud/dobn88 ole g0 st 9g9jz x:k2x0esp,se

  94.35: A gas can be taken from state a to c by two different revev3ex. sqqsg2:rsible 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 ss e3.sgxq 2vq:ystem. 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 the proces x1k.riz kixcfb3 ;qze9s4n;/s 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 a31q/ 4e ;z.ic;xknxzs r9fkib re 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 ceow7-io ,u5y0o v- mypompressed:

  97.15: Which of the following is always .6 tx7vkc2or ytrue for an isothermal process of an ideal gator xy76v ck.2s?

  13.31: A monatomic ids88nnvg0*dy y eal gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quant8*snyydgn8 v 0ities associated with the gas has a value of zero?

  09.33: An ideal gas undergmj:m,oa4m lereke3( +nw va:-oes an isobaric expansion followed by an isochoric cooling. Which of the followinm em,+ak reowe-:a(jlm3vn4:g statements must be true after the completion of these processes?

  11.44: One mole of a monatx7r0h2oz k+mey cwg(xp7xn 8/*nz o3zomic 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 of work done by the gas oc *x 7 z7( 3ekwxo gypnhoxzm+02rn/8zn the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the ), ebh,od 19zwl)a ufty (nm*gprocess, the gas performs 80 joules of work on the surro)a 9mob d ythgz,u,* elw)1f(nundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on 1wc4v)5ub25 altzhtv an enclosed ideal gas in which thevh255ct) 4btvua wzl1 pressure decreases?

  15.47 One mole of a diatomic i;-i41bjrx+sbq 2remxu7co7 s (xd 2amdeal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 3;-s 4merx7aor7xxcqj1s mi2d b2+u(b 0 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 identica(xrvs8 x2,:sw96 l luxx*vbc p:m3zzkl 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 axl pu(mxl vc9 z6s :xvx r*swb38zk,2:re 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 possib 7ry.g o6bjy- q49tyc8gtmzl;le 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 i4 zq y6t9o tcg g78bj.-ylrym;s 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 gs7k*ifbj5ze :2 e0eean ideal gas, which one of the following reve7*jegs05 fbi:ee ez k2rsible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, whileqjx,hx eup z o87:2/g2ac el1t 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 ot1e 7epcjzh/a8,xu:l2xg2 qa reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , vo/8nnb.x j3; ey 8a3f bfu2lvrilume V , and temperature T . Which of the following processes would result in the n;l2u b8jef/rfix ab 833.ny vgreatest amount of energy added to the gas from heat?

  13.48: Two identical l(ae3/2iqdm m ) 04eef5jdeu;bslq1ssamples of a monatomic ideal gas are to undergo reversible processes. Which one of the foll14d0qq 2e sl;m3aj ee)dsfulmi5 eb/(owing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling