15.25: A gas undergoes the unusual processw5l o2kstbs5( 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 escapeus*uwx6 (jz6ut:q l-ss from a pressurized cylinder, the stream of gas feels cool. This is becaustqsu lx 66:wjuu(-z*se

  94.35: A gas can be taken fr q/-ubq3o9)7wgx wh(k kqxlc:om state a to c by two different reversible processes, a→c or a→b→c. During the dix- h) qklx 3cb(q :gwqk/ou79wrect 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, (u 38avi 82 idhbuu,ioin 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 proces vu(u83ud,i b oahi28is of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothy8 l6adyqfz 87r uvjl7nb r1 xb4w/l7+ermally compressed:

  97.15: Which of the follo,nx0h3rx8f jahm.2bh8 *em p.a9ijgswing is always true for an isothermal process of an ideap3h82imhe x8ax hbs f a*g.r,jjm9n0.l gas?

  13.31: A monatomic ideal gas under vcdm -ndmc7k.f7hne*f r02 s*goes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has *mhcskdfnn v fec*r2d77. 0 -ma value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric c cd5tw0x7p 1j bwair49ooling. Which of the following statemebprdi5twjw0 791 c4xa nts must be true after the completion of these processes?

  11.44: One mole of a monato9.yab6k xk(ysmic 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 on the s 6kyb(sxka9y. urroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the9s7el n9e: viw process, the gas performs 80 joules sni9vew7: le9 of work on the surroundings. 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 an enclh w 4 acm8x;ok35vix/dosed ideal gas in which the pressure decreac d/;43 hvxka8w5m oixses?

  15.47 One mole of a diatoz+eg 6cbw:*rcy- y f:bmic ideal gas undergoes a reversible adiabatic process. The pressure and volume initially arc+: :c6 fyyrwez*gbb-e 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 equal 7ky)t wdo:b;*i h.sdyehc 0a48,cvkm 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, 8hoyedk*aw 7,d):c tmv; csyik0. h b4which 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 reversible processes3(a n.uwq8s; 3yq wiwz performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperaturenu3w3( yi; w.q8 waszq). Process C is adiabatic. Process 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 gasxkferkm(- a bhay2, +8, which one of the following reversible r, bhkf(a28e +y a-mxkprocesses has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while5yd*ko(cp ha/ 3i b zgb zkjj**l5sl): container B has a sample:jkzjb y5gl s b)l 3zcad*h*poki5(*/ 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 higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P 2-1yeri 3qn h(hnsq/p , volume V , and temperature T . Which of 1hq2n (q hp ir/sy3-nethe following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of .v ub kzaxg .d94p72rz-vm*vna monatomic ideal gas are to undergo reversible processes. Which one of the followinzxu .7kbmvrg49dz. vnpv - a*2g choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling