15.25: A gas undergoes thekv. l;ibcy,l dmp8(w0 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 cy2q8a8smdqt3 7 sbj*mtzzd *24:kcbtllinder, the stream of gas feels cool. This is becs4tzs8 j d:m* kzq23mab8bq 2ct* d7ltause

  94.35: A gas can be taken from state a to c by twe6-7oz oiyc * i:5mpvko 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 syskz*67vy:-p mo ie5ioc 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 versus Volume graph shown, in the proces+h i7jy.ncv64/k4- y1kgh -i qwf)qkuej *hafs of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J ofv4kg wn6fyfij/ah) e4 -ih 71q*j .+ -cqhyukk 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 isothermallw j)/c k:wva.xezz 14qy compressed:

  97.15: Which of the following is always true for an isothermal process of an i83fti km/9sdl8jvk09ohg+qq 9eg +zodeal gas? edi8j 9qg8kz qmvt+ l0+3k/sohfgo99

  13.31: A monatomic ideal fvh5 q3 ewx-k)gas undergoes a reversible isothermal expansion in an enclosed container. Which one - ) ekhwqf5vx3of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric coon9t :tiga exp5uu. i+1ling. Which of the following statements must be true after the completion of t 15a9unx etg+t :.piuihese processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. In 9.u e8ttum )c zcr6ft3g g-7;;rxd65wv vxkmqthe process, the temuv;ctt.zexu6md -;wk fc3t rmx) 5vg89r q76g perature 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 surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proces,(7h ddbbw /tcs, the gas performs 80 joudh7,cb(bd/ wt les 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 enclosed i0cos0* fu4jqiaeg li0vw;. c,deal gas in which the pressure decreags. a0,ce;wcq0io0 li*4 v ujfses?

  15.47 One mole of a diatomic ideal ga9 0gbd i5won:rmty.r hjl7 cf*one9;-s undergoes a reversible adiabatic process. The p9orwlm i*dn rjncb 0-:oyg e79.;5fh tressure 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 the sa* mh4azj7 w8ey zl02ddme ideal gas are in equal volume containers with the same pressurh z7 *0wzjyedald 482me 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 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 proce 5k:nvh:i(e4 y*mt5w i*afm masses 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 isochmhm a*vn 5:*4aktf:ye5iim (woric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T fom og;oc+q8fk-ke;k ei c +93vcr an ideal gas, which one of the following reversible processes has the most heat asso cmke e8qgcovkoi+;f3c-+9; k ciated with it?

  04.45: Container A has a sample of monato-/b 7yq viv*ggc9pwisv; z4y9mic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same v/zg 7*9yvqg svb -ypi;4i9c winitial 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 pres6cbmqja(i uu6d w:+/d+ si1 ihsure P , volume V , and temperature T . Which of the following processes would result in the greatest amou d:ij h6iu +(+ umw1cba6qs/dint of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal cq 7 wyuv892lpgas are to undergo reversible processes. Which one of the following choices is a correct statement aboulpuc78 w q2yv9t the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling