15.25: A gas undergoes the unustld0y aefx8: eav;8a 5ual 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 sb6uaavy26q 2c0 e e1o42majdr q qs64h1w:g jgtream of gas feels cool. This is becauavh dqq 2ua4ge06gs12qb: w2 6r6jao4 ye m1cjse

  94.35: A gas can be taken from state a to c sku vk wtld(;f6-a f30by 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 system. During the process a→b→c, 25.0 J of heat are added to the system. How much work is done by th( f06wkudatsv3-fl; ke system during a→b→c?

  06.26: In the Pressure 9qara t3ibjn)3f8il-versus 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 goin3lira fb9 aji3q)8- tng a to c to d, what is the total heat added?

  96.22: When an ideal gxmr.f ;-m*vf nwa0si 3as is isothermally compressed:

  97.15: Which of the following is always true for awftb t0e 0e pw4ch/p09n isothermal process of an ideal gas?cw0 ph0/0btew9ef p 4t

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in 09 iqfg)k+bl:cuti8 v an enclosed container. Which one of tl0v)ui+gi fqk:c 8 9bthe following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion follow;du66g5e*qpcf b r1uy0l o:u zed by an isochoric coold6165z* gub;pr:clyu0 q ofeuing. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal /f p k(+edqfm9/d -d bhev,k;ugas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 Kkdek/,+upm /f -;qv (ebfd hd9. 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 undergoes an isobaric process. During the 58 xd 88w)0qrysv6qzhueqv5lprocess, the gas performs 80 joules of work on the surroundings. Which one of the followingv) 56q0qrhsyvd l8ewuz 8q85x 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 whhaapc:8yec- 2b+2j ulq6qml ;ich the pressure decyb2 ll+jmq6c ; 2:qe8 ph-uacareases?

  15.47 One mole of a diatomic ideal gas undergoes a reversib yb5+ w b.)caizmo u*y2z1bv9ple 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* 2a9 yw+iz m51cz ypbb)vou.b was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas aby0*8 ;+ vfi esmlzph2re in equal volume containers with the same pressure and temperature in containers labehy*+ p li8mbfzs2ve 0;led A and B. After the 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 poss ows8nfjxaml t 952*v b0,.hvxible 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 isochoric (constant volume). For which pro8wa f2 .,st*xj0vlo vhm9b5nx cess(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, wh lgn:5gregdrzi1 27 2dich one of the following reversible processes haie:dl 7r2n dr1g g25zgs the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gasr hv;ys: fpo4+, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, hyro:sv+f4 p; 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 , volume V , annfhb70+ 3yw2 gb,ggp md temperature T . Which of the g3g 2fbgn,p+07bm why 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 are to0:sw 8iu :sb/w;t;tn crd+wfy undergo reversible processes. Which one of the following choices is a correct statement about the heat associd:n/ yw;: wt;ssw +0u ftcrb8iated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling