15.25: A gas undergoes the unusual p0k rf;h7i * +aw(2aj r7avyxjlrocess 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 feels ta -nw3g nwt q,4w-f+ap;x2 kucool. This iwgftn ,+naa- qut3k4w-p;2wx s because

  94.35: A gas can be taken from si :(qshi/ji8 u *wzwz(h yw;.dtate a to c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done*z. s y8(/:qwiwjz (diuhwih; 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 versuswqu934 5now jv-hzvi4 Volume graph shown, in the process of going from a to b 60 J of heat are-nuq vzj4v3w4wh5o i9 added, 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 qcizs*c d bt3 s8u(;y jpu,7rk4d 7r.pisothermally compressed:

  97.15: Which of the following is always true for an isothermal process mx6j9syrvvp21vc.k v h/ )ou0of an idem2 k6jvh.co19v/ 0s ryvx )vpual gas?

  13.31: A monatomic ideal dzpqab- /*wfa1 mk .r+gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a val. b+1 a-dfzw pm/akrq*ue of zero?

  09.33: An ideal gas undergoes an n-,(p h hwn8 at6t,dh8jxyy :lisobaric expansion followed by an isochoric cooling. Which of the following statements must be true ahhjh6y tnwx:t-(,88yd l,p na fter the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expans:y bq,r swi naai ;+k71eilvv-/3gj)hion. 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 ga:hvnike q-+gi)3lb/yj7as1 wiv a ;,rs on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric pz(evz2s/9h sjwp,oz 0rocess. During the process, the gas performs 80 joules of work on the surroundings. Which one of the followin(ev/2pz,0 hzzo j9swsg statements best describes the heat exchange during this process?

  07.40: Which is not true k0gr w:ev)tjk)q1-f9tt+p.h x5kahv of an isochoric process on an enclosed ideal gas in which the pressure9e)p t)vfvhgk-xk0+.rt1kqj w5h a:t decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversiblez w4yzjzey7cw3i88h/ adiabatic process. The pressurwz/3 wzj8zc78y4hyei e 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 done on the gas sample by the surroundings?

  03.48: Two completely identical samples of theozd( yg4waa:* h 6ar(u same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performe4*grwahd ay 6o(au(z :d 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;nieuj/ (f gaq*+oby+le processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Procg ;/+fn( ouiqjb+yae *ess 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 g6ps zcx85xz,y as, which one of the following5cz8zxp y, s6x reversible processes has the most heat associated with it?

  04.45: Container A has a sampu(q0 8dsoa-p ucpf 44ole 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 adiabatic8afu4c(p u o0d4 spq-o 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 pressureo: gun0vals f 748zi,ua zz/xs5l8,ru P , volume V , and temperature T . Which of the following processes would result in the greatest amount of enanss4 li78 /xu8 fg0lov uazz, r,:5zuergy added to the gas from heat?

  13.48: Two identical samples of a monathgv08rk+r ;s*m:eahc omic ideal gas are to undergo reversible processes. Whcr ;h*ra+smge h8k:v0ich one of 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