15.25: A gas undergoes the unusual process M y2n8tj1ay54t mkvy4 ( qj+qcyv0l.x *zlh yx,$\to$ 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, qh x1f -t*rj8qthe stream of gas feels cool. This isx1q * j-qthfr8 because

  94.35: A gas can be taken from sd2 p5k6nh)k noxce w:80o b+bytate 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 by the system and 30.0 J of heat are added to the sys8nb2k5kdo0xp+ybe :) nc 6how tem. 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 versu/np.tldoz)m,g 7 tn u9s Volume graph shown, in the process 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 are added. In the process of going an9.dlg /7onutt,p) z m to c to d, what is the total heat added?

  96.22: When an ideal gas is isotr p yj(oj:da/3hermally compressed:

  97.15: Which of the following is always true for an isothermal prq e76 j s 5cl9dzcd++lg76rzhcdax4 7rocess of an idea j7e xl h4ccd6 zl67sq7gddra9c+r5+ zl gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermaj iu3ai1sx d,.l expansion in an enclosed contxiu.3ais j 1d,ainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochyr8 v7d.r oc1zoric cooling. Which of the following statements must be true after the completion ov17d.zyrr8 c of these processes?

  11.44: One mole of a monatomic ideal gax)d:e es 05ujbs 1kv*ts undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K toxt)u0 eevjb5*s:ds 1 k 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 undergi*a6eg w8h+tgoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one wgg * +iae6h8tof the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas in whi/+jo-3x /ugpebyd c z+ch the pressure decrea+/c-xdo 3ejpzg+ u/ byses?

  15.47 One mole of a diato9hni((if9c ar mic ideal gas undergoes a reversible adiabatic process. The pressure ci(i9ha 9nf(rand 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 the same ideal gas are in equallc ;qx.u ,5lck elx*+x 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 temperaturexc+k xl;lu xqel*.,5 c?
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 possibli :+lj io lw3wu2r)tn4e 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:r4w ii+2)wt3o l lnuj isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of6rwo2 v krb .4:fuw:bd P, V, and T for an ideal gas, which one of the following reversible processes ko2b::w.6 d ufrrbvw4has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, w.a:hw ltlqw08kjuavm9 o3d8(uu sh 6qz9 m *y9hile 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 6htma(aulv sm9 9wuj.8yk8zq wd*09q: h l3uo of gas is now at the higher temperature?

  08.44: A mole of a monatomic idealg +pz6e jb8 ,q1u3plli gas has pressure P , volume V , and temperature T . Which of th +6l ib1p,e8 pzlgj3uqe following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatom9u7eaxh;k4l fx7z8rhi t t 5:ou;wgw6ic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the prfk7twxiu9r; oa 5t6;l7x8he4:uhzgw ocesses?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling